ENGINES - Kohler

ENGINESParts and Accessories

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Table of Contents

Lubrication ...........................................................3-5Starting .................................................................6Meters, Testers, and Special Tools .......................7-8Special Items ........................................................9Ignition and Electrical ...........................................10-14Guards, Screens, and Blower Housings...............15-17Front Drive Shafts.................................................18PTO ......................................................................19Fuel.......................................................................20-23Controls (Includes coolant and lubrication alert items) .......24-26Electrical Accessories ...........................................27Air Intake ..............................................................28-33Exhaust.................................................................34-49Decals...................................................................50

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Lubrication

* For valve cover with pulse-type fuel pump, not mechanical fuel pump. Includes O-ring. ** For valve cover with mechanical fuel pump. Includes O-ring. ***Usedwithflaredtubeforimprovedseal.StandardsinceSerialNo.3016800011.EarlierstandardDipstick2403806-Ssupersededto24755121-SKitwhich includesthe2403810-SDipstickandthreeDipstickTubestofitallCHtwinconfigurations.****Canbeusedinplaceofthe1”diametermetaloilfill/dipsticktubeforimprovedseal.Canbeusedwithstandardcanister-stylemufflers.Donotuseonapplications with crossover manifolds.

OIL COOLER KITToaddcoolertoengine.Reducesoilsumptemperatureupto40°F.Kit No. Adapter Material Models Item24755120-S* Stanyl CH/CV17-26/730-750 12402975-SBaseOnly Stanyl CH/CV17-26/730-750 2*Increasesenginewidthonoilfiltersideby1.25"(CHtwins)or0.625"(CVtwins).Possibleinterferencefitwithsidemountmuffler.

YELLOW ACCESSORIESPart No. Item Models Item2475546-S* Oilfillcapkit CH18-26/730-750,LH640-775 1 ECH630-7492422702-S** Oilfillcapassembly CH18-26/730-750,LH640-775 21203810-S Dipstick,benttube CH11-15 31203814-S Dipstick,straighttube CH11-15 31203802-S Dipstick,straighttube CV11-16/460-493 42403804-S Dipstick,straighttube CV17-26/730-750,ECV630-749 42403810-S*** Dipstick,bent/straighttube CH18-26/730-750,LH640-775 52004008-S Dipstick,benttube(Standard) SV470-620 62412322-S**** Dipstick,tubekit(plastic) CH18-26/730-750,LH640-775 7

OIL DRAIN VALVE KITPart No. Drain Hole Item2575514-S 3/8"-18NPTF 1 Includes2517314-Syellowplasticcap.2546212-S*2" 3/8”-18NPTF 22546213-S3” 3/8”-18NPTF —*Willnotfit824ccengineduetointerferencefit.

EXTENDED OIL FILL KITKit No. Models1775533-S CH270-CH440

OIL COOLER HOSEPart No. Length I.D.2432617-S* 152mm(6”) 9.52mm(3/8”)24326151-S 610mm(24")*Includes 2 hose clamps.

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Lubrication

OIL DRAIN ADAPTERForusewith2575514-SOilDrainValveKit(3/8"-18).Includesseal.Part No. Thread, Engine End Thread, Cap End Models6375510-S M12-1.5,Male2 3/8"-18,Female CS8.5-12

OIL FILTERSPart No. Height Models Item5205002-S 3.11" PremiumfilterfitsPROSeries 11205001-S Standardfilter 22805001-S* 2.32" 3*Shorterforapplicationswithinterferenceissues.Approximately15%lessfiltercapacity.

REMOTE OIL FILTERKit No. Oil Line Length Models2470202-S* 23" CH/CV11-16/460-493, SV470-610,CH/CV17-26, CH/CV730-750,SV710-740, ECH/ECV630-7493270201-S** 12" KT715-KT745,ZT710-ZT740, EZT740-EZT750*Includes1205001-SFilter.**Includes5205002-SFilter.

VALVE COVER WITH OIL FILLIdealforaddinganextraoilfilllocation.Part No. Description Models24755140-S* Valvecoverwithoilfill** CH18-26/730-745, ECH630-7496675510-S* Valvecoverwithoilfill*** LH640-775 *Usableoneithervalvecoverside,exceptforbasicengineswhichinclude amechanicalfuelpump(withoilfill)infiltersidevalvecover.**Alsoorder2475546-SYellowCap/O-ringAssembly,or2575513-SBlack Cap/O-ringAssembly. ***Includes yellow cap, O-ring, etc.

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OIL DRAIN HOSEForusewith2575514-SOilDrainValveKit(3/8"-18).Part No. Length Thread2432666-S* 12.25" 3/8"-18,Female(oneend)2532605-S* 28" 3/8"-18,Female(oneend)*Alsoorder2429422-SBarbedFittingand2523702-SClampforattachinghose

to oil drain hole.

OIL DRAIN HOSE KITForusewith2575514-SOilDrainValveKit(3/8"-18).Includesfittingandclamp.Part No. Length Thread24326152-S* 7" 3/8"-18,Female(oneend)

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Lubrication

OIL FILTER BASE (ENGINE-MOUNTED)Part No. Position Extends Models2470201-S* Rotatable,6positions 3-4" CH/CV17-22,LV625-680 *Notusableonspecificationswithoilcooler.Includes1205001-SFilter.

OIL PRESSURE SWITCH (OIL SENTRY™)Availableonelectricstartenginesonly.Part No. Circuit PSI To Activate Models1270401-S* NormallyClosed 2-5 CH/CV11-16/460-4935270401-S* NormallyClosed 2-5 CH/CV17-26/730-745,LV625-6802409903-S NormallyOpen 2-5 CH/CV17-26/730-745,SV810-8402509927-S NormallyClosed 2-6 LH640-775(Standardonbasics)2509936-S** 3-Terminal 2-10 KT715-745*Kitincludesswitch,othercomponentsandinstructions.**Terminals1and3-NormallyOpen.Terminal2toGround-NormallyClosed.

OIL PRESSURE BYPASS KITSAllowsformomentarybypassofoilpressureswitchwhenelectricstarterisengaged.Part No. Circuit Models8275525-S NormallyClosed CH11-15*,CH/CV17-26/730-745,CH/CV940-1000, LV625-680,LH640-775,ECH/ECV630-749 *UsableonCH11-15,exceptwithsolenoidshiftstarter.BecamestandardonCH11-15PROelectricstartbasics beginningwithserialno.3208409911.

OIL TEMPERATURE SENSORFitsintooildrainholetosignalwhentemperatureexceedsrecommendedrange.Part No. Open Closed Models2441801-S(standard) 310°F 350°F CH/CV17-26*/730-745, LV625-680,LH640-7752441802-S 255°F 310°F CH/CV17-26*/730-745, LV625-680,LH640-775, ECH/ECV630-749*OnCVspecifications,useonstartersideonly.Filtersidehasoilcooler.

OIL WARNING LIGHTS LeadPart No. Notes Length Models2535206-S Need1517603-Sharness 3" CH5-62535210-S*** — 6.5",9" CH18-26/730-745, ECH/ECV630-749

ALSO SEE PAGE 24 FOR COOLANT AND LUBRICATION ALERT ITEMS.

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Starting

STARTER SOLENOIDSPart No. Description Models2543508-S Internallygrounded CH/CV11-16/460-493

RECOIL START KITSKit No. Models Notes1275547-S CH/CV11-16/460-493(Shown) Formetalblowerhousings only.2531201-S Optionalmittgriphandlefor recoil starter.1216504-S Recoilstarterassemblywith mitt grip handle.

ELECTRIC START KITSKit No. Models Items1274902-S CH11-15 11274903-S CV11-16/460-493 - (Excludeswireharnesswhichcustomermust supplyduetovariations).1775503-S110V WH208 2

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Part No. Description Models Item2545511-S AlcoholContentTester-TestsforE10/E20/E85 All 12544905-S* UsageMeter/Tachometer(solidstate) Allsinglesandtwins 22576123-S EFIDiagnosticKit AllEFI 35236201-S HourMeter Allwithelectricstart 42545507-S 0.060"FeelerGauge(clearplasticforspeedsensor) BoschEFI 52576138-S HydraulicValveLifterTool Allwithhydrauliclifters 62545501-S IgnitionOutputTester(allexceptcapacitivedischarge,firesat12kV) Allsinglecylinder 7KLR-82408** FlywheelPullerSet All 82876101-S OHCTimingToolSet(timingbelt) AllOHC 9DTI-110** InductiveTachometer Allexceptbatteryignition 102476101-S EFIServiceToolKit(forindividualcomponentsseePartsBulletin228) AllEFI 11KLR-82411** ElectricStarterServiceKit All 122576105-S CylinderLeakdownTester All 132576106-S OilPressureTestKit Allw/pressurelubrication 142576120-S Rectifier/RegulatorTester(operateson110-120voltcurrent) All 152576141-S Rectifier/RegulatorTester(operateson220-240voltcurrent) All 15 *Indicateswhentoserviceaircleaner,oilfilterandchangeoil.Alsoservesasanhourmeterandtachometer. Serviceintervalsaredependentuponenvironmentalfactorsandnotthismeteralone. **AvailablefromKohler-recommendedtoolsupplier,seePartsBulletin228.

ALSO SEE PAGE 24 FOR COOLANT AND LUBRICATION ALERT ITEMS.

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Meters, Testers, and Special Tools

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Meters, Testers, and Special Tools

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Part No. Description Models Item2576140-S SparkAdvanceModuleTester Allw/sparkadvancemodule 16DTI-721-01** Vacuum/PressureTester All 172545509-S T-HandleforValveGuideReamer(below) All 182545512-S 0.25mmOversizedReamerforValveGuides CommandandAegis 181445503-S SparkPlugTool XT-6andXT-7 192575541-S FuelInjectorToolKit ECHandECV 202545520-S HoseRemovalTool All 212576145-S WirelessDiagnosticSoftwareKit(includesmoduleandinterfacecable) AllEFI 222576144-S WirelessDiagnosticInterfaceCable AllEFI 232545521-S StepperMotorControllerTool(TestingoperationofDLA) Allw/digitallinearactuator(DLA) 242551843-S JumperLeadTool(Usewith2545521-Stotestrotarysteppermotor) Allw/rotarysteppermotor 25 **AvailablefromKohler-recommendedtoolsupplier,seePartsBulletin228.

ALSO SEE PAGE 24 FOR COOLANT AND LUBRICATION ALERT ITEMS.

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OILS, SEALANTS, LUBRICANTSPart No. Description Fluid Size Item2535706-S SAE10W-30KOHLER®Oil 32oz. 12535703-S SAE30KOHLER®Oil 32oz. 12535741-S SAE20W-50KOHLER®Oil 32oz. 12535714-S Lubricant,Camshaft/Lifter 0.25oz. 25235701-S Lubricant,InertiaDriveStarter 0.25oz. 32535712-S Lubricant,SplineDrive 2.8oz. 42559707-S Sealant(Loctite®InstantGasket) 4oz. 52559705-S Sealant(Loctite®620RetainingCompound) 0.5ml 62559706-S Sealant(Loctite®222RetainingCompound) 0.5ml 6

MAINTENANCE KITSEverythingneededforperiodicpreventativemaintenance,inahandydisplaypack.Part No. Models Contains Air Filter2078901-S SV470-620 2008302-S1278901-S CV11-15 1208305-S1278902-S CV11-15,460-493PRO 1208310-S2478901-S CV17-23,724-740;CH18-25,730-740 4708303-S2478902-S CV18-30,675-740;CH18-25,730-750PRO 2408303-S2478903-S CV17-27,730-740WAWB 4508302-S2578901-S CV18-25,625-752;CH18-25,730-752HDAC 2508301-S2578903-S ECV630-749,ECH630-749 2508301-S3278901-S SV710-740 3208303-S1778901-S CH270 1708307-S1778902-S CH395/440 1708303-S1878901-S SH265 1808304-S1478901-S XT 1408301-S,1408315-S,14083221678901-S ZT710-740 1608301-S1678902-S KT715-745,ZT710-740 1608304-S3278902-S KT715-745 3208309-S1978901-S ECV850-ECV880 2508301-S

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Special Items

PLASTIC NUTPart No. Hardware Size2510037-S 6mm

BAFFLE MOUNTINGPart No. Hardware Size2515413-S 6mm

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ENGINE MOUNTING SCREWPart No. Hardware Size Model25086672-S 3/8-16X1" ZT710-740

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RFI/EMI CONVERSION KITKit No. Models2570701-S AllCH,CV,LH,LV,SVTwins

CHARGING SYSTEMSPart No. Description Models15 Amp237878-S StatorKit CH/CV11-16/460-493,SV470-620, CH/CV17-26/730-745,LH640-775, LV625-685,SV710-7404140310-S Rectifier-Regulator All

25 Amp2808502-S StatorKit CH/CV11-16/460-493,SV470-6205475503-S Stator/Rectifier-RegulatorKit* CH/CV17-26/730-745,TH520-575, LH640-775,LV625-675, SV710-74024755144-S Rectifier-RegulatorKit**(Shown)*Converts15ampsystemto25amp.**Convertsold25AmpRectifier-Regulator(2540301-Sor2540304-S)tonew25 AmpRectifier-Regulator(2540332-S)onallmodels.Includesrectifier-regulator, terminals(3),lead,connectorblock.

SPARK PLUGSPart No. Models6613201-S LH640-775,CS4-12.75(Champion)1213202-S CH6,CH/CV11-15/460-492,CH/CV17-30/730-750,CH20-25LP, TH520-575LP,ECH/ECV630-7492513212-S CH/CV11-15/493PRO,CH/CV18-30/730-750PRO, ECH/ECV630-749PRO2513208-S CH/CV11-15LP2813201-S CH/CV17-25/730-740R.F.I.withshieldedmetalboots2813202-S TH520-575R.F.I.2513214-S SV470-620R.F.I.,SV710-840R.F.I.,LV625-680R.F.I., LH640-755R.F.I.,CH/CV17-25/730-740R.F.I.w/ometalboots6213204-S CH940-1000R.F.I.1413203-S XT-7,SH2651413211-S XT-6,XT6.5,XT6.752513224-S ECV850-8802513219-S CH270-440R.F.I.2513223-S KT715-745,ZT710-740

Ignition and Electrical

DIODE KITPart No. Specifications Models Item2575531-S 6AMP1000PIV All 12575540-S* 6AMP800PIV All 2*Forelectricclutchspikeprotection.

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EMC/RFI KITKit No. Models2575552-S LH775

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WIRING HARNESSES No. LeadPart No. Leads Length Connector Models Item5475502-S * 34"longest Numerous CH/CV17-25/730-740 16617618-S 8** 36"longest 2515506(Female),4815501(Male) LH640-755 22515507-S 5 18"all 2515506(Female) Various 32515509-S 5 18"all 2515506(Female),4815501(Male) Various 32517602-S 6*** 75"longest 2515506(Female),4815501(Male) C11-16/460-493,C17-25/730-740 3 LH640-755,LV625-6802517610-S 6*** 75"longest 2515506(Female),4815501(Male) CH/CV940-1000 36317601-S 6**** 5"longest 4815501(Male) CS8.5-12 424755155-S ***** 4"longest AllEFI 56217610-S 4 30"longest Molex#33482-0401(Male) CH/CV940-1000 —6217611-S 4 3-7/8" Molex#33482-0401(Male),6PinPackard CH/CV940-1000 —24176160-S 5 24” 6PinAMP ECH/ECV630-749 624176227-S 5 4.5” 6Pin2515506(Female) ECH/ECV630-749 724176161-S 4 4"(actual) 4wayblackFemale,4wayblackMale ECH/ECV630-749 — (O2SensorExtension)24176197-S 4 15"(actual) 4wayblackFemale,4wayblackMale ECH749 — (O2SensorExtension) *Includesuniversalharness,duplexleadharness,OilSentry™lead,20ampB+lead,25ampB+leadwithConnector2515503-S,(2)Terminals1545210-S,and instructions. **Canbeusedasageneral36"extensiontobasicwireharness. ***Includesequipmentgroundleadforbetweenkeyswitchandengineblock. ****Usedtocreateremote-mountkeyswitch(useKeyswitch2509937-S).AlsoorderHarness2517602-Sabove.*****Pigtailharnessusedtoreplacediagnosticplug.IncludesProtectiveCap,2417308-S.

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Ignition and Electrical

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JUMPER HARNESSPart No. Description Item2517616-S EFIHarnessExtension(similartocarburetorversion2517602-S) 74"overalllength 12517617-S EFIDiagnosticHarnessExtension 8"overalllength 2

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EFI JUMPER HARNESS ADAPTERSHarnessadaptershavebeenreleasedtomaketheelectricalconversionwhenreplacingacarburetorequippedKohler®enginewithaKohler®CommercialEFIengine.Severalofthesenewharnessadaptersareshownabove.SeePartsBulletin258formoreinformation.

SEALED FUSE HARNESS/HOLDERPart No. Models5475513-S All2517614-SConvertsstandardharness/fuseholdertoasealedversiontopreventmoisture,dirt, etc., from penetrating. Ideal for pressure washers or applications in corrosive environment.Includes30ampfuse.

FUSESPart No. Description Models1730407-S 25AMPFuse CH270-4401730408-S 15AMPFuse CH270-4401730404-S 30AMPFuse CH270-440

Ignition and Electrical

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JUMPER HARNESSPart No. Description Item3217640-S ConfidantdirectreplacementforMTDCommandverticaltwinapplication 13217641-S ConfidantdirectreplacementforExmarkCommandverticaltwinapplication 2

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Ignition and Electrical

FUSE CAPPart No. Description2517350-S FuseCap

CLIP ATTACHMENTPart No. Description2515422-S Clip,Attachment(FuseCap)

CLIP ATTACHMENTPart No. Description2515436-S Clip,Attachment(FuseCap andO2Sensor

GROUNDING STUDPart No. Model2507232-S AllEFI

JUMPER HARNESSPart No. Description Models2517622-S 8PinWeatherPacktoexisting6Pin ECH940,ECH980

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Ignition and Electrical

MATED (M) CONNECTORS Uses Female Uses Male Connector Connector Terminal Connector Connector TerminalDescription Item Part No. (See Below) Item Part No. (See Below)1Wire M1 277563-S Item5,6 M2 1515501-S Item41Wire M3 2515504-S Item5,6 M4 2515503-S —2Wire M5 4115503-S Item5,6 M6 5215504-S Item42Wire M7 4715514-S — M8 4715513-S —2Wire M9 4815502-S Item5,6 M10 4815503-S Item43Wire M11 236473-S Item5,6 M12 237088-S Item44Wire M14 1215502-S —5Wire M15 4815501-S Item5,6 M16* 2515506-S Item44Wire M17 4115502-S Item5,6 M18 1215510-S Item4*MountingscrewslotsonM16are1.328"centertocenter.

UNMATED (U) CONNECTORS Connector Connector Uses TerminalDescription Part No. Item (See Below)3Wire 2515541-S U1 Item5,63Wire 237429-S U2 Item5,66Wire 1215509-S U3 Item11

TERMINALSSize Part No. Type Code Item3/16"Flat 2545211-S F.I.F. S 13/16"Flat 2545212-S F.I.F. F 21/4"Flat 2545207-S F.I.F. S 11/4"Flat 1545201-S F.I.M. S 31/4"Flat 5245201-S L.M. S,U 41/4"Flat 2545201-S L.F. S,U 51/4"Flat 2545206-S L.F. S,U 61/4"Flat 1245202-S M 45°,U 71/8"Round 2545217-S F.I.M. S 812-10AWG 2515545-S B — 916-14AWG 2515547-S B — 920-14AWG 2545225-S L.M. S,U 1020-14AWG 2545226-S L.F. S,U 1118-14AWG 2545227-S F.I.F. DB 12

Type CodeF.I.F.=FullyInsulatedFemale S=StraightpushontabF.I.M.=FullyInsulatedMale F=FlagpushontabL.F.=LockingFemale U=UninsulatedL.M.=LockingMale DB=DoubleBulletM=MaleB=ButtSpliceConnector(heatshrinkable)

M1 M2 M3 M4 M5 M6

M7 M8 M9 M10 M11 M12

M14 M15 M16 M17 M18

U1 U2 U3

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METAL CHOPPER GRASS SCREEN KITSKit No. Models2475579-S CH/CV17-26/730-745,ECH/ECV630-749Replacesplasticscreen,orcanreplace“crowned”metalscreenonenginesbelowSerialNo.2528418567.Anewblowerhousingisrequiredifreplacingaplasticscreen*.Note: Wheninstallingmetalscreenonan“open”application,GuardKit 2475594-Sisrequired.*Duetoblowerhousingvariations,consultKohlerfactory.Basedonthespecificationnumberofyourengine,thecorrespondingblowerhousingcanbedetermined.

MANIFOLD COVER KITSKit No. Model Item24096110-S CH750 124096111-S CH750(w/frontmountedcontrols) 2Covershideexposedportionofintakemanifold.

Guards, Screens, and Blower Housings

Kit No. Models6216208-SMetalGrassScreen CH940-1000

DEBRIS SCREENKit No. Model1433219-S XTNote: Willonlyfitonfixedpositionrecoilmodels.

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FIXED GUARDS (NOT USABLE WITH RECOIL STARTER)Models Plastic, Stylized Wire, Deep Tool Wire, Flat MetalCH/CV11-16/460-493 1275565-S — — 1275544-S(Shown) 1275548-SSV470-620 2075540-S,2075514-S** — — — —CH/CV17-26/730-750 2475581-S*(Shown) 2475594-S* 2445501-S — 2575558-S****ECV940&ECV980 — 6275533-S*** — — 2575558-S****ECV650-ECV980 — — — — 2575558-S****ECH940-ECH980 — — — — 2575558-S****EZT740-EZT750 — — — — 2575558-S****CH940-980 — — — — 2575558-S**** *GuardKits2475581-Sand2475594-SincludeThreadedInserts(2433201-S).InsertTool(2445501-S)isnotincludedbutneededtoattachguardtoexistingblower

housing.Toolisreusable.Ifenginehasametalgrassscreen,thenonlyGuardKit2475594-Sshouldbeused.Inaddition,Guard2475594-Sisrequiredinopenapplications(mowers,etc.)toprotectthemetalscreenfrompotentialdamage.

**Iforiginalblowerhousinghasthethreebosseswithholesforfixedguardmountinguse2075514-SKit.Iforiginalblowerhousingdoesnothavethethreebosseswithholes,use2075540-SBlowerHousingandGuardKit.

***Forguardonly,order6231414-S.****Forguardonly,order2531404-S.

RECOIL STARTER FILTERSHelppreventdust,dirtanddebrisfromenteringaroundrecoilstarter.Part No. Notes Models Item6375518-S Includeshandlehole,Velcro,maintenancelabelandinstructions. CS4-6 11205002-S* Includeshandlehole.Conformstoshapeofrecoilhousingwhenusingfasteners*. CV11-16/460-493 21505001-S** Includeshandlehole. CH6 3 *Forfirst-timeusage,alsoorder(10)1229001-SVelstudsforholdingthefilterinplace.Velstudsarereusable;theyinterlockwithslotsinstarterhousing.**Alsoorder6329001-SVelcrostrip(4.75"long).Cutintopiecesforattachmentoffiltertostarterhousing.

(Tool shown with insert).Plastic, Stylized Wire, Deep Tool

Wire, Flat Metal

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Guards, Screens, and Blower Housings

Metal

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BLOWER HOUSING PLUGSPart No. Description Models2409617-S* TriangularPlug(1)(Shown) CH/CV17-26/730-750, ECH/ECV630-74924096119-S** TriangularPlugWithLip(1) CV17-26/730-750 ECV630-7492513986-S*** PlasticPlug(Shown) *Sealsthetriangularholeintheblowerhousingunderneaththeaircleaner.Two requiredforCHtwins,oneforCVtwins.**Similarto2409617-S,buthasanextendedrubberlip.Sealsthetriangularhole (undertheaircleaner)throughwhichthebreatherhoseisrouted.Onerequired.***Usetofillunneededblowerhousingholes.

BLOWER HOUSING CLEAN OUT PANELSKit No. Description Models2575520-S MatteBlackPanel(2) CH/CV17-26/730-750 ECH/ECV630-749Allowsforcleaningdebrisfrombehindblowerhousingandalsoservicingofignitionmodules.Kitincludesinstructions/templateforcuttingholesinblowerhousing,pluspanels(onewithpop-outplugandlabelforkeyswitch),mountingclipsandscrews.(Blowerhousingnotincluded).

DUCTED AIR KITKit No. Description Models2475514-S DuctedAirKit CH18-26/620-750

Guards, Screens, and Blower Housings

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FRONT DRIVES (DIMENSIONS IN INCHES) HardwarePart No. A B C D E Required D and T Models*5214419-S 4.66 2.53 1.0 .25 3.0 SeeBelow 3/8-16 CH11-15,LH640-775235954-S 3.48 1.44 1.0 .25 3.0 SeeBelow 3/8-16 CH11-15,LH640-775237350-S 4.66 2.41 1.125 — 3.0 SeeBelow — CH11-15,LH640-7754714409-S 3.88 1.75 1.0 .25 3.0 SeeBelow 7/16-20 CH11-15,LH640-7752475505-S 7.00 1.44 1.0 .25 3.0 SeeBelow 3/8-16 CH18-26/730-750,LH640-775,ECH630-7492475508-S 7.00 2.53 1.0 .25 3.0 SeeBelow 3/8-16 CH18-26/730-750,LH640-775,ECH630-7492414413-S 6.40 2.53 1.0 .25 3.0 SeeBelow 3/8-16 CH18-26/730-750,LH640-775,ECH630-7492414416-S 5.35 2.53 1.0 .25 3.0 SeeBelow — CH18-26/730-750,LH640-775,ECH630-7492414417-S 4.00 1.93 0.7** .188WD 3.0 SeeBelow — CH18-26/730-750,LH640-775,ECH630-7492414422-S 6.20 2.60 1.125 .25 3.0 SeeBelow — CH18-26/730-750,LH640-775,ECH630-7492414423-S 4.84 2.82 1.0 .25 3.0 SeeBelow 3/8-16 CH18-26/730-750,LH640-775,ECH630-7492414425-S 5.51 2.17 1.0 .25 3.0 SeeBelow — CH18-26/730-750,LH640-775,ECH630-7492414432-S 8.23 3.79 1.0 .25 3.0 SeeBelow M12x1.75 CH18-26/730-750,LH640-775,ECH630-7492414451-S 5.98 2.36 1.0 .25 3.0 SeeBelow 7/16-20 CH18-26/730-750,LH640-775,ECH630-7492414453-S 4.00 1.36 1.0 .25 3.0 SeeBelow 3/8-16 CH18-26/730-750,LH640-775,ECH630-7492814405-S 5.28 3.07 1.125 .25 3.0 SeeBelow — CH18-26/730-750,LH640-775,ECH630-7496614404-S 3.87 2.37 1.125 .25 3.0 SeeBelow — CH18-26/730-750,LH640-775,ECH630-7496214407-S 4.54 2.30 1.125 .25 3.0 SeeBelow 7/16-20 CH940-10006214409-S 5.33 2.00 1.125 .25 3.0 SeeBelow 7/16-20 CH940-10002414455-S 4.50 1.50 1.0 .25 3.0 SeeBelow 3/8-16 CH18-26/730-750,ECH630-7492414447-S(3) 13.18 — — — 3.0 SeeBelow 5/16-20 CH18-26/730-750,LH640-775,ECH630-749 *Consultfactoryon:CH11-15 sinceflywheelholesmayvaryandspecificationmaynotacceptfrontdrive:LH640-775 to verify front loading.**Threadedend(3/4"-16UNF-2A).***BoltCircleDiameter47.62WD=WoodruffKey

Required Hardware:CH11-15: (2)X-22-2-SWasher,(2)M10x30mm-1.5socketheadscrewpurchasedlocallyCH18-26/730-750 and ECH630-749: (4)M-839025-SScrew(Includedin-755kits)LH640-775: (4)M-839025-SScrewCH940-1000:(4)M-839035-SScrew

SOME FRONT DRIVES REQUIRE:LH640-775: Alsoorder6609618-SFlywheelCoverw/holeforfrontdriveorInstructionSheetTT-5081foratemplatetocuttheholeinyourexistingflywheelcover.All other models: AlsoorderGrassScreenw/holeforfrontdrivepertablebelow.Ifchangingfromplasticscreentometalscreen,alsoorderblowerhousing.Contactcustomerserviceatfactoryforcorrectblowerhousing.

Grass Screen Hardware RequiredPart No. Type Hole Diameter (In.) To Attach New Screen Models1216203-S Plastic 2.56 None CH11-1524755171-S Plastic 1.42 (4)M-639016-SScrew,(4)1211201-SSpacer CH18-222416245-S Plastic,Hi-Eff. 1.77 None CH18-26/730-7502416238-S Metal*,Flat 1.57 None* CH18-26/730-7502416239-S Metal*,Flat 2.95 None* CH18-26/730-7502416240-S Metal*,Flat 2.46 None* CH18-26/730-7506216209-S Metal 1.81 None CH940-1000*Flatdesign.Ifreplacingolder“crowned”version,alsoorder5475510-SHardwareKit.

Front Drive Shafts

A

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D & T1 2 3

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CRANKSHAFT SPLINE INSERT KITKit No. Number of Teeth8275502-S 92575527-S 114875521-S 13

CRANKSHAFT PTO KEYPart No. Description Models2534005-S Fits3/16”keyway CS4,CS6,CH270,SH2652534006-S Fits1/4”keyway CH395,CH440,CS8.5,CS10,CS12

PTO

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FUEL FILTERS Inlet Hose ShellPart No. I.D. Micron Length Models2505021-S 1/4" 75 2.13" Standard:CH/CV11-15/4932405013-S 9/32",1/4" 9-12 2.35" Standard:CH/CV17-25/730-740,750, 940-1000,LV625-680, LH640-755,SV470-620, SV710-840,ECH440, ECH940-980,ECV850-880, ECV940-980,EKT740-750, EZT715-750,KT610-745, ZT710-7402405003-S 5/16" 8-10 5.51" Standard:AllEFI(metal,highpressure, extendedlifefilter)2405022-S 3/8" 80 1.60" Standard:CH/CV735-745,LH775Bosch EFI(plastic,highflowbefore pump)2505007-S 3/16,1/4" 75 1.0" Standard:XT-7,CH/CV11-16/460-492 non-PRO(electricstart)2505022-S 1/4" 51 2.13" Standard:CH/CV11-15/493(fuelpump fedfuel)2505042-S 5/16″ 10 1.56″ Standard:ECH630-749/ECV630-7491405014-S 1/4″ 110 2.40″ Standard:XT,WH208(in-nipplefilter)1705017-S 1/4″ 60 1.60″ Standard:CH270-440

LOW PERMEATION FUEL LINEPart No. I.D. Length Model2511181-S 1/4" 39″ AllexceptEFI2511139-S 1/4" 25′(bulkroll) AllexceptEFI2511137-S 5/16" 5′ EFIOnly2511169-S 1/4″ 11″ XT

Fuel

ALCOHOL CONTENT TESTERPart No. Description2545511-S TestsforE10/E20/E85

INLINE FUEL SHUT-OFF VALVEPart No. -Fitsall1/4"fuellines1709925-S

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FUEL TANK CAPS Gauge Item Part No. in Cap Fits 1 2517304-S Yes Voided5275545remotemetaltank 1 2517321-S Yes Voided5275579remoteplastictank 2 2517322-S No 2575535remoteplastictank 3 2517320-S No CH11-15 4 1422711-S No XT-7 5 1422716-S No XT-6/7 6 1717325-S No CH270-440,SH265 7 1717319-S No CH270-440,SH265(evaportive emissionversion)

FUEL TANK KIT Tank Tank Tank Includes Kit No. Mounting Material Capacity (Gal.) Cap Models1276001-S Engine Plastic 1.25 2517320-S CH11-15

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2 3

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Fuel

CARBON CANISTER KITKit No. Description Quantity Item2575538-S CarbonCanisterKit(5gallon) 1 —INCLUDES:1423705-S HoseClamp 2 12505039-S CarbonCanisterFilter 1 22523724-S HoseClamp 4 32531304-S Roll-overValveGrommet 1 42532608-S SAIControlHose 1 52546217-S Roll-overValve 1 62532623-S EvaporativeHose(144"Length) 1 7TT-5215 InstallationInstruction 1 —

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ELECTRIC FUEL PUMP P.S.I. at Self-Prime TotalKit No. Models 0 Delivery Lift Column2555901-S AllexceptCH6,CS, 0.5-2.0 12" 6' andBoschEFI

EFI ELECTRIC FUEL PUMP - HIGH PRESSUREPart No Models P.S.I G.P.H. AMPS Max 2439352-S BoschEFI 50 15.0 5.0

Fuel

1 2

SLEEVESPart No. Description ID Length MAX Operating Temperature Item2543135-S HeatReflectiveSleeve 0.625" 13.5" 392°F 1 (aluminumlaminatedfiberglasstube)2543132-S Anti-AbrasionSleeve 0.25-0.75" 21" — 2

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PULSE FUEL PUMPPart No. Models Item2439316-S CH/CV17-25/730-740,LV625-675, 1 ECH/ECV630-749,SV470-840, KT715-745,ZT710-740,ECV850-880

1

MECHANICAL FUEL PUMPSPart No. (Non-Metallic) Models Item1255902-S CH/CV11-16/460-493 12455910-S* CH18-25/730-740 26255901-S*** CH940-1000 3 *Integralvalvecover.For#2cylinderside(oilfilterside)only.Forenginesbelow

SerialNo.2520800017,alsoorderValveTrainKit2475566-Stoconverttocompatiblerockerarms.

** Fittings include O-ring.***Integralvalvecover.For#2cylinderside(oilfilterside)only.

32

12 294 13-S**

25 294 13-S**

1

25 294 09-S**

25 294 11-S**

25 294 09-S**

Fuel

AIR TEMPERATURE SENSOR GROMMETPart No. Models 2531307-S ECH/ECV630-749

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ENGINE-MOUNTED CONTROL PANELSKit No. Mounting Location Major Components Models Item6675509-S* FilterSide(only) Panel,keyswitch,choke,throttle,lowoillight,harness LH640-755 12422508-S** FrontSide Bracket,levers,cableassembly CH18-26/730-745 224755106-S** FrontSide Panel,choke,throttle(includesitem2) CH18-26/730-745 36237602-S FrontSide Panel,keyswitch,indicatorlight,choke/throttlebrackets CH940-1000 —2422513-S FrontSide Bracket,lever,cableassembly ECH630-749 46237801-S FrontSide Panel,keyswitch,indicatorlight,harness ECH940-ECH980 — *Shownwithoptionaladditionalitems:CoolantTemperatureGaugeandCoolantTemperatureLight(onlyonemaybeused),andTinyTach/Hourmeter.**Forinstallationoflever-typethrottle/chokewhichbecamestandardsinceSerialNo.3009400011.AlsoorderAirCleanerCover2409626-Sifaddingcontrolstonon-panel enginespecification.AlsoneedsBracket2412699-S(1),ScrewM-545010-S(2),Decal2411392-S,andScrew2408606-S(2).

COOLANT ITEMSKit No. Description Models 6675512-S* Light,CoolantTemperature LH640-775 *Includeslight/wiring,temperatureswitch.

LUBRICATION ITEMSKit No. Description Models 2535210-S** Light,OilWarning CH18-26/730-745**Includeslight,6.5"and9"leads,fitsincontrolpanelsshownabove.

CAUTION (ALL WARNING DEVICES ON THIS PAGE): 1.Ifoverheatingoccurs,removeload,runengineathighspeedtocreateairflowforcoolingengine. 2.Iflowoillevel/pressureoccurs,stopengineimmediately.

2

THERMOSTATGasketincluded.Kit No. Description Models 6645302-S 190°FThermostat LV625-680,LH640-7756645303-S 205°FThermostat LV625-680,LH640-775

Controls

4 3 1

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Controls

TAMPER-RESISTANT CONTROL KITSPreventstamperingwithhigh-speedadjustment(asproposedbyEuropeanregulations). When Models AreKit No. For Models Equipped With Note2475597-S CV18-26/730-745 TopControls A

A—Includescoverand(2)TORXscrewsforattachmenttocontrolbracket.Instructionsareincludedtoaddholestothebracketiftherearenone.

KEY SWITCH AND KEYSPart No. Description Models Item2509937-S Switch(5pin)&KeyMagnetoEFI,ECH-ECV(Delphi) 12509929-S Switch(5pin)&KeyCH940-1000 15209902-S Switch(3pin)&KeyEFI(Bosch) 12509930-S Switch(5pin)&Key(Plastic) 2 CH640-750,CV17-26,CV624-7501734011-S* CH270-440Keys 41834002-S WH208Key 54834001-S Keys(fitsitems1and2) 32434003-S Keys,bellshape(fitsitems1and2) 6*Fitsswitchusedinelongatedkeybox.

1

4

2

53

KEY SWITCH PLUGSPart No. Description Item2513916-S Roundplasticplug(fitsintometalkeyswitchhole) 12513917-S Roundplasticplug(fitsplastickeyswitchplug 2513976-S) 22513976-S Plastickeyswitchplug 3

1 2 3

IDLE DOWN SOLENOID KITSPart No. Description1775529-S CH270Idledownsolenoid(w/okeybox)1775530-S CH270Idledownsolenoid(w/keybox)1775531-S CH395Idledownsolenoid(w/okeybox)1775532-S CH395Idledownsolenoid(w/keybox)1775535-S* RequiredtoprovidepackagedcomponentfortheservicingofCH440engines withfixedspeedandwithoutaKohler-suppliedfueltank.*Ifengineisequippedwithavariablespeedcontrol,alsoorderFixedSpeedLever1709047-S.

6

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SOLENOID-OPERATED CONTROLS (12 DC VOLTS)Kit No. Description For Engines With Models Item24755100-S IdleKit* ConstantSpeed CH18-25/730-740,LH640-755*** 124755101-S Throttle/ChokeKit** ConstantSpeed CH18-25/730-740,LH640-755*** 2 *Whenvoltageisappliedtosolenoid,enginespeedis“lowidle.”Whenvoltageisremoved,enginespeedis“highidle.”**Allowsstart-uptoconstanthighspeedfromremoteequipment(liftplatform,etc.).Notcompatiblewithside-mountmuffler.***MountingbracketwillinterferewithmanifoldsonCH18-25/730-740sidemufflers.Also2416404-SCrossoverManifold.

THROTTLE CONTROLPart No. Description/Mount Type Cable Length Models Item6308923-S ThrottleReturnSpring* — CS4-12 1225011-2-S Remote 41-51" All 2225011-6-S Remote 60-72" All 2225011-7-S Remote 12-40" All 2*Forrecreationalvehicleapplications.Returnsenginespeedtoidlewhenfootpedalisreleased.

1 2 3

CHOKE CONTROLPart No. Description/Mount Type Models Item2475595-S ChokeControlKit(Addschokecontrollevertotopcontrols). CV17-25/730-740CommercialMowers 3

1 2

REMOTE THROTTLE KITSPart No. Description Model Item1775504-S RemoteThrottleKit CH270 11775505-S RemoteThrottleKit CH395/440 2

CABLE CLAMPPart No. Description Models Item1723713-S CableClamp CH270-440 3 (Clampsbraidedthrottlecable)1875504-S Barrel/BowdenClamp SH265 —

REMOTE CHOKE KITSPart No. Description/Mount Type Models Item1775516-S RemoteChokeKit CH395/440 — (FitsQuad-Cleanmodels)1775517-S RemoteChokeKit CH395/440 4 (FitsLow-Profileaircleanermodels1775547-S RemoteChokeKit CH270 —

1 2

3 4

Controls

2725 800 148 Rev. E

MALFUNCTION INDICATOR LAMP (MIL)Part No. Models With2535219-S ElectronicFuelInjection(EFI)2535225-S LEDEFI

HIGH TEMPERATURE CUTOUT SWITCHKit No. Cutout Range Reset Models2470301-S 440-490°F 415°F CH/CV17-26/ 730-745 SV710-740

Electrical Accessories

28 25 800 148 Rev. E

ELEMENTS AND PRECLEANERSNote:Elementsandprecleanersmayappeardifferentlyforvariousmodels. Element U.L. Element Inner Element Precleaner Style (Photo A) Equivalent (Photo B) (Photo C) Models 1 4508302-S 5208304-S — 4508301-S CV17-26/730-745(Commercialmowing) 1 4708301-S 4708304-S — 5208301-S CH11-15 4 6308303-S — — 6308304-S CS4-6(Standard,dualelement) 4 6308311-S — — 6308312-S CS8.5/250cc(Standard,dualelement) 4 6308301-S — — 6308302-S CS8.5/300cc,10-12(Standard,dualelement) 6 6308306-S — — — CS4-6(Foam,singleelement) 6 6308305-S — — — CS8.5/300cc,10-12(Foam,singleelement) 7 6308307-S — — 6308308-S CS4-6(Heavy-dutycyclonic) 7 6308310-S — — 6308309-S CS8.5/250-300cc,10-12(Heavy-dutycyclonic) 8 6308313-S — — 6308314-S CS8.5/250cc(Lowprofile,dualelement) 4 6308315-S — — 6308316-S CS10(931600),CS12(941600) 3 2008306-S 2008307-S — 2008304-S SV470-620 2 1208305-S* 1208309-S* — 1208308-S CV11-16/460-493(Standard,2.8”High) 2 1208310-S* 1208313-S* — 1208312-S CV11-16/460-493(Tall,3.4”High) 1 4708303-S 2408308-S — 2408302-S CH/CV17-23(Flat) 1 2408303-S 2408309-S — 2408305-S CH/CV25-26/730-745,ECH/ECV630-749(Flat) 5 2408307-S — — — CH/CV17-22MetalH.D.A/C 5 2508301-S — 2508304-S — CH/CV17-26/620-1000/LH640-775PlasticH.D.A/C ECH/ECV630-980 5 2508302-S — 2508303-S — CV493 9 3208303-S — — 3208305-S SV710-740(Standard,1.73”High) 9 3208306-S — — 3208308-S SV810-840(Large,3”High) 4 6608301-S — — 6608303-S LV625-680 10 1408301-S — — 1408302-S XT-7(Paper) 11 1408309-S — — — XT-7(Foam) 13 1708323-S — — 1708312-S CH270 13 1708321-S — — 1708315-S CH395/440 12 1808304-S — — 1808305-S SH265 9 6208304-S — — 6208303-S CH940-1000(withLow-Profileaircleaner) 14 1408315-S — — — XT650,XT675(Paper) 15 1608301-S — — 1608302-S ZT710-ZT740,EZT740-EZT750 15 3208313-S — — 3208314-S KT735-745PRO,EKT740-EKT750 16 1608304-S — — 1608305-S ZT710-ZT740,KT715-KT745 — 1808313-S — — — RH255,RH265(Paper) 17 1808314-S — — — RH255,RH265(Foam) 16 3208309-S 3208312-S — 3208310-S KT715-KT745

Notes: *Includeselementandrubberseal.

ALSO SEE PAGE 16 FOR RECOIL STARTER FILTERS.

B C

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Air Intake

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ANTI-ICING COMPONENTSIftheincludedinstructionsarefollowed,thesekits/partsmaybeusedwithoutjeopardizingCARB/EPAcertificationontheengine.Kit No. Models As Low As Notes Heat From Item2475564-S CH18-22 20°F ForPTOmufflers Muffler 1(shown)2475565-S CH25-26/730-745 20°F ForPTOmufflers Muffler 12475568-S* CH18-22 20°F Forsidemufflers Manifold 2(shown)2475569-S* CH25-26/730-745 20°F Forsidemufflers Manifold 22475582-S CH18-26/730-745 –20°F Includesstartersidemuffler*** Muffler 32475583-S* CH18-22 –20°F Includesfiltersidemuffler*** Muffler 3(shown)5475506-S** CH/CV17-26/730-745, — Notforcommercialmowers — 4 ECH630-7491216802-S CH18-26/730-745 — Foaminsulationonly — —2416801-S LH640-775 — Breatherhoseinsulation — —24755165-S CH750w/FlatAirCleaners — Forsidemufflers Manifold 51232628-S**** CH11-15 — Insulatedbreatherhose — 624755238-S ECH630-749 — Includesstartersidemuffler Muffler — *Notforuseonfiltersideofengineifequippedwithoilcooler. **Increasescarburetortemperatureapproximately13°F.Coverstriangularholes(2)inblowerhousing.Removeabove45°F.***Tubestravelthroughmufflerstobringwarmairtoaircleaner.****Replacesexistingbreatherhosetopreventicing,ororderinsulationonlyandinstalloverexistinghose.

1 2

3

4

Air Intake

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SEAL RETROFIT KITKit No. Description Models Item1274309-S SealRetrofitKit CH11-15 1ForenginesbeforeSerialNo.2519500004.Sealreplacesloosewasherandgrommetincoverplate.Kitincludessealandelement.

AIR CLEANER COVERPart No. Description Models Item1209641-S AirCleanerCover CH11-15 2 (w/multilingualmaintenanceinstructions)Standardaircleanercover,includingmultilingualmaintenanceinstructionsembossedunderneath.Nowavailableindividuallyforenginesbuiltearlier.

Air Intake

1 2

AIR CLEANER COVERPart No. Description Models1409690-S AirCleanerCoverKit(Snorkel) XT-6,XT-7,XT8

AIR CLEANER RETROFIT KITS Includes ForKit No. Description Filter Specification Item1274303-S Convertsstandardfiltertoalargerfilter Large* A 11274304-S Coverhasopeningtolineupwithopeninginblowerhousing Large* B 2A—ProSeries“T/ST”afterSerialNo.2404917244,ProSeries“S”afterSerialNo.2424505854.B—Basic“S”,lawntractors.*Largecapacityfilteris20%greaterthanstandardfilter.

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FILTER MINDERVacuum-typegaugedetectsairinletrestrictions,signalingwhentoserviceairfilter(whenyellowindicatorreachesredline).Kit No. Mounting Air Drawn From Models Item2575518-S Remote Aircleanerbaseplate CH/CV11-16/460-493,CH/CV17-26/730-745 1 orheavy-dutyaircleanerelbow2575524-S Direct* Heavy-dutyaircleanerelbow CH18-26/730-750,CV493 26233002-S Direct FitsKohler-styleheavy-dutyaircleaners CH/CV940-1000 31675504-S — — ZT710-ZT740 —*Includesbrassfittings,instructions.

1 2

Air Intake

3

1

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HEAVY-DUTY AIR CLEANER KITS (Convert from Flat Air Cleaner)Complete,engine-mountedsystem(items1and2usedtogether)isCARB/EPAcertified.Anyremote-mountingconfiguration(item1plusremote-mountedaircleaner),mustbeKohlerapprovedforCARB/EPA.Filteringareais1,398sq.in.Not usable on engines with plastic intake manifold.Kit No. Description Includes Use With Models Item2474320-S Elbow/AdapterKit* A AA CH18-22(624cc)/620/640/730-740 12474325-S Elbow/AdapterKit A AA CH22/23(674cc)/680 12474321-S Elbow/AdapterKit A AA CH25 12474334-S Elbow/AdapterKit A AACH26/745 EFI 12474322-S AirCleanerKit(90°canisterelbow)** B BB All 22474323-S AirCleanerKit(Straightcanisterelbow)*** C BB All 22575524-S FilterMinderKit(Elbowmounted)**** D AA All 32575518-S FilterMinderKit(Remotemounted)***** E AA All —2532404-S InletHoodCap(includesclamp) — — — 4 *ForCH730/740,carburetorreplacementisnecessary.Orderassembly2485393-S. **Typicallyusedforengine-mountedconfiguration(asshown).Ifremote-mounted,customersupplieshose(mustbeKohlerapprovedforCARB/EPA). ***Usedwithcustomer-suppliedhoseforremote-mountlocation.(MustbeKohlerapprovedforCARB/EPA). ****Attachestoaircanisterelbow(peritem3).(Seeearlierpagefordescription.)*****Attachestoanyremotelocation(frontofengine,application,etc.).(Seeearlierpagefordescription).Kitsincludeinstructionsplus:A-Elbow/adapter,mountingbracket,2"I.D.hose,hardware,debrisshieldsforeitherknob-typeorlever-typecontrols(seebelow).B-AirCleanerCanister,RainHood(2532404-S),MainandInnerFilters,Plug(2513920-S)tocloseFilterMinderopeningifnotused.C-AirCleanerCanister,RainHood(2532404-S),MainandInnerFilters,Cap(2517319-S)tocloseFilterMinderopeningifnotused.D-FilterMinder,brassfittings.E-FilterMinder,brassfittings,10'hose,mountingbracket.Usewith:AA-AirCleanerKit2474322-Sorcustomer-suppliedaircleaner,whichmustbeKohlerapprovedforCARB/EPA.BB-Elbow/AdapterKit2474320-S,25-S,21-Sor34-S.

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DEBRIS SHIELDSBothshieldsareincludedinHeavy-DutyAirCleanerKits(carburetor/elbow)topreventdebrisfrominterferingwiththrottle/chokecontrols.(Onlyoneshieldneededdependinguponenginespecification).Part No. Used With Models Item2431425-S Knob-typecontrols,no CH18-26/730-745 1 controls, remote air cleaner 2431429-S Lever-typecontrols* CH18-26/730-745 2*Lever-typecontrolshavebeenstandardonCH18-25panelspecificationssince SerialNo.3009400011.

1

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Air Intake

HEAVY-DUTY AIR CLEANER KITS (Convert from Flat or Commercial Mower Air Cleaner)Complete,engine-mountedsystemsareCARB/EPAcertified.RemotesystemsusingeitherKOHLER®orcustomer-suppliedaircleanerandhose,mustbeKohlerapprovedforCARB/EPA.Filteringareais1,398sq.in.Not usable on Command engines with plastic intake manifold.Kit No. Description Includes Use With Models Item2474340-S Elbow/AdapterKit A AA CommandCV18-22(624cc)/620-640 12474341-S Elbow/AdapterKit A AA CommandCV22/23(674cc)/680 12474342-S Elbow/AdapterKit A AA CommandCV25/730-740 12474322-S AirCleanerKit(90ºcanisterelbow)* B BB CommandorAegis***** 22474323-S AirCleanerKit(straightcanisterelbow)** C BB CommandorAegis***** 22575524-S FilterMinderKit(Elbow-mounted***) E AA All 32575518-S FilterMinderKit(Remote-mounted****) F AA All – *Typicallyusedforengine-mountedconfiguration(asshown).NotcompatiblewithverticalpositionedmufflersasshowninEXHAUSTsection. **Usedwithcustomer-suppliedhoseforremote-mountlocation.(MustbeKohler-approvedforCARB/EPA). ***Attachestooutletincanister.(SeeappearanceanddescriptionofFilterMinderonearlierpage). ****Attachestoanyremotelocation.(SeeappearanceanddescriptionofFilterMinderonearlierpage).*****UsableonAegisbutonly inremote-mountconfiguration,notengine-mounted.Kitsincludeinstructionsplus:A-Carburetor, elbow/adapter,mountingbrackets,2"I.D.hose,hardware.B-AirCleanerCanister(†),RainHood(2532404-S),MainandInnerFilters,Plug(2513920-S)tocloseFilterMinderopeningifnotused.C-AirCleanerCanister(‡),RainHood(2532404-S),MainandInnerFilters,Cap(2517319-S)tocloseFilterMinderopeningifnotused.D-Elbow/adapter,aircleanergaskets,miscellaneoushardware.Customersupplies2"I.D.remotehosetoaircleaner.(MustbeKohler-approvedforCARB/EPA).E-FilterMinder,brassfittings.F-FilterMinder,brassfittings,10'hose,mountingbracket.(†)90°AirCleanerCanisteriscomprisedof:2508101-SMainBody,2509606-SEndCapw/EjectorValveandClips.(‡)StraightAirCleanerCanisteriscomprisedof:no–SpartnumberforMainBody,2509606-SEndCapw/EjectorValveandClips.Usewith:AA-AirCleanerKit2474322-S...orcustomer-suppliedaircleanerandhose,whichmustbeKohler-approvedforCARB/EPA.BB-Elbow/AdapterKit2474336-S,37-Sand38-S;or6674301-S(remote-mountonly).CC-AirCleanerKit2474322-Sor23-Smayonly beusedinremote-mountedconfiguration,notengine-mounted.Customersupplies2"I.D.hose.(Mustbe Kohler-approvedforCARB/EPA).

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KNOB REPLACEMENT KITKit No. Description Models5475501-S KnobKit CH/CV17-26/730-750

AIR CLEANER BASE/BREATHER KITKit No. Description Models2475586-S Base/breatherkit CV17-25/730-740Note: Breathersystemformodelswithacceleratorpumpcarburetor.

AIR CLEANER COVER KITS STANDARDKit No. For Engine With Models Item2474305-S Nocontrolpanel CH/CV17-25/730-740* 12474306-S Controlpanel CH18-26/730-740 2Note: CoversincludeembossedKOHLER® name on outside, maintenance instructionsoninside(English,Spanish,German,French).*CV17-25/730-740withstandardaircleaneralsorequires2475586-SKit.

AIR CLEANER COVER KITS COMMERCIAL MOWERKit No. Models Item2474311-S* CV17-25/730-740 12474317-S** CV17-25/730-740 22474332-S** CV26/745 2Note: CoversincludeembossedKOHLER® name on outside, maintenance instructionsoninside(English,Spanish,German,French).*Coverismadeofhigh-temperaturematerialforextremeconditions.**Sameas-11-Skit,butincludesstud,sealandnutsforhigh-moistureconditions preventing water seepage under cover.

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Air Intake

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CS4-6 MUFFLERKitincludesmufflerandgasket.Usehardwarefromexistingmuffler. Outlet Outlet Muffler Outlet TubeKit No. Location O.D. Length Length Models Item6378601-S ThrottleSide* 1.0" 9.46" 1.0" CS4-6 1*Outletisonoppositesideofstandardmufflerlocation.AlsoallowsforunobstructedPTOface.

COURAGE SINGLE (SV470-620) MUFFLER KIT Kitincludesmuffler,gasket,supportbracket,hardwareandinstructions.Kit No. Description Engine Side Outlet D.B.C. Item2078602-S*** MufflerKit Starter 2.047 22075510-S GuardKit* 212755107-S GuardKit** 2 *Cageopenatbottomtoavoidinterferencewithdeck. **Cageclosedatbottom.***NotcompliantforCalifornia.

EXHAUST FLANGEForadaptingmanifoldlengthtocustomer-suppliedexhaust.Part No. Description Models Item2029501-S Steel,0.188thick SV470-620 31729503-S Steel,0.25thick CH395 3

Exhaust

COURAGE TWIN (SV710-840) AND 7000 SERIES (KT715-745) MUFFLER KITKitincludesmuffler,gasket,slip-fitmanifolds,andscrews.Customersuppliesmountingbrackettoframe.Kit No. Muffler Only Outlet Location/Direction Item3278601-S 3206801-S Bottom/TowardOilFilter 4

COURAGE TWIN AND 7000 SERIES (KT715-745) EXTENDED MANIFOLDSPart No. Item3216406-S 93216407-S 10

XT MUFFLER KITKitincludesmufflerandheatdeflector.Kit No. Choke Type Outlet Location/Direction Item1406815-S Manual/Primer FrontDischarge 51406808-S Manual/Primer SideDischarge 61406805-S Auto FrontDischarge -1406807-S Auto SideDischarge -

XT MUFFLER GUARDPart No. Description Item1431404-S Forfrontdischargemufflers 71431409-S Forsidedischargemufflers 8

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COMMAND PRO HORIZONTAL MUFFLERSPart No. Description Models Item1706831-S* Lowprofile CH270 -1706838-S Lowprofile CH395 -1706840-S Lowprofile CH440 1*OutershieldrequiresOEMsuppliedbracket.

3000 SERIES MUFFLERSPart No. Description Item1806808-S Lowprofilemuffler 11806814-S Muffleranddeflector -

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Exhaust

CONFIDANT AND 7000 SERIES MUFFLERSKit No. Muffler Only Description Item3278603-S 1606802-S OilFilterSide 13278605-S 1606801-S StarterSide 23278604-S — HorizontalCanister 33278606-S — HorizontalCanister* 4*ForWrightMowers

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GUARD KIT (EU REQUIREMENTS)Part No. For Muffler Model17314122-S 1706855 CH27017314123-S 1706876 CH39517314124-S 1706887 CH440

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PILLOW MUFFLERS AND GUARDS (CH11-15)Mufflerkitsincludeoilfilltube/dipstickaspictured...toavoidinterferencewithmufflerorguard...includingsealantandadrivertoaidininstallation.Mufflershavestandoffsforattachingoptionalwireguard.Guardkitsdonotincludemuffler. Muffler Engine OutletPart No. Only Description Side D.B.C. A B C D E F G H Item1278609-S* 1206826-S MufflerKit PTO 2.047" 13.0" — 7.0" — 5.0" — 4.25" — 11278613-S** 1206838-S MufflerKit PTO 2.047" 13.0" — 7.0" — 5.0" — 4.25" — 112755107-S — GuardKit PTO — — 13.5" — 6.25" — 5.5" — 5.0" 11278608-S* 1206825-S MufflerKit Top 2.047" 17.0" — 13.25" — 4.5" — — — 21278612-S** 1206839-S MufflerKit Top 2.047" 17.0" — 13.25" — 4.5" — — — 212755107-S — GuardKit Top — — 17.75" — 13.125" — 5.0" — — 21278610-S* 1206827-S MufflerKit*** Starter,NoTank 2.047" 8.0" — 1.0" — 11.0" — — — 31278614-S** — MufflerKit*** Starter,NoTank 2.047" 8.0" — 1.0" — 11.0" — — — 31278611-S* 1206823-S MufflerKit Starter,NoTank 2.047" 13.0" — 7.0" — 10.0" — — — 41278615-S** 1206840-S MufflerKit Starter,NoTank 2.047" 13.0" — 7.0" — 10.0" — — — 412755107-S — GuardKit Starter,NoTank — — 13.75" — 6.25" — 10.5" — — 4 *Mufflerhasnointegralportliner.ItisusableonlyonCH11-14modelsbelowSerialNo.2628900001. **Mufflerhasintegralportlinerextendingfrommountingflange,tointerfacewithcored-outcylinderhead.OnlyformodelswithSerialNo.2628900001orhigher, which include cored-out cylinder head. ***Mufflerkitnotusableonspecificationswithfuelpump. ****ForCH14LPenginesonly;includesoxygensensorportinmanifold-to-mufflerpipe.A —Centerlineofcranktotopofmuffler. E—Centerlineofcranktoleftedgeofmuffler.B—Centerlineofcranktotopofguard. F —Centerlineofcranktoleftedgeofguard.C—Centerlineofcranktobottomofmuffler. G— FromPTOfacetofarthestedgeofmuffler.D—Centerlineofcranktobottomofguard. H — FromPTOfacetofarthestedgeofguard.

IncludesExhaustDeflector(notshown). IncludesExhaustDeflector(notshown).

VerticalOrientation HorizontalOrientation

Exhaust

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Exhaust

PILLOW MUFFLERS AND GUARDS (CV11-16/460-493)Guardkitsdonotincludemuffler.Note: Mufflers1206854-Sand55-SareexclusivetoCV460-493,1206839-Sisalsouseable.NoothermufflersareusableontheseModels. Engine Stand Offs Hardware OutletPart No. Description Side For Guard (See note) D.B.C. A B C D E F Item1206821-S* Muffler(Standard) Starter No 1 2.047" 12.0" — 0.75" — 4.5" — 11206844-S** Muffler(Standard) Starter No 1 2.047" 12.0" — 10.75" — 4.5" — 11206854-S** Muffler Starter No 1 2.047" 12.47" — 10.75" — 4.5" — 11206823-S* Muffler Starter Yes 1 2.047" 12.0" — 10.75" — 4.5" — 11206840-S** Muffler Starter Yes 1 2.047" 12.0" — 10.75" — 4.5" — 11206855-S** Muffler Starter Yes 1 2.047" 12.47" — 10.75" — 4.5" — 112755107-S GuardKit Starter — — — — 12.5" — 11.25" — 5.25" 1 (12.97"/460-493)1206820-S* Muffler*** Starter No 2 2.047" 8.0" — 9.25" — 3.75" — 21206842-S** Muffler*** Starter No 2 2.047" 8.0" — 9.25" — 3.75" — 21206825-S* Muffler Valve Yes 3 2.047" 2.5" — 10.5" — — — 31206839-S** Muffler Valve Yes 3 2.047" 2.5" — 10.5" — — — 3 *Mufflerhasnointegralportliner.ItisusableonlyonCV11-14modelsbelowSerialNo.2628900001. **Mufflerhasintegralportlinerextendingfrommountingflange,tointerfacewithcored-outcylinderhead.OnlyformodelswithSerialNo.2628900001orhigher, which include cored-out cylinder head. ***Mufflernotusableonspecificationswithfuelpump. ****ForCV14LPenginesonly;includesoxygensensorportinmanifold-to-mufflerpipe.Note: ForMufflers1206825-Sand1206839-S,onlyGuard12755107-SisnecessaryforEEC.Mufflers1206820-S,1206821-S,1206842-Sand1206844-S donothaveweldnutsforguardattachment,sotheycannotbemadeEEC-compliant.A — Centerlineofcranktorightedgeofmuffler. B — Centerlineofcranktorightedgeofguard. C — Mountingsurfacetotopofmuffler.D — Mountingsurfacetotopofguard. E— Centerlineofoilfillcaptoouteredgeofmuffler. F — Centerlineofoilfillcaptoouteredgeofguard.

Mounting Hardware (ifnotpresentlyonengine)1 -Order(1)1212671-SBracket,(2)25086395-SScrew,(1)25086398-SScrew,(2)M-841080Nut,(1)X-25-78-SWasher.(2)1211220-SSpacer(sheetmetal valvecoveronly).2 -Order1275530-SMountingKit.3 -Order(1)1212656-SBracket,(2)25085395-SScrew,(2)25086397-SScrew,(1)1204103-SGasket,(2)M-841060-SNut,(2)1211220-SSpacer(sheet metalvalvecoveronly).

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ValveCoverOrientation

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CV Models

OutletPart No. Description O.D. A Side Item1206801-S Muffler 1.25" 4.94" Starter 11278618-S MountingKit* — — Starter 11206803-S Muffler 1.25" 6.5" Starter 21206835-S Muffler** 1.25" 6.5" Starter 21275530-S MountingKit* — — Starter 2A — Extendsawayfromblowerhousing.*Includesbrackets,gasket,hardware.**Identicaltothe-03muffler,butincludesintegralportlinerextendingfromthemountingflange.OnlyhamcanmufflerusableonCV11-15modelswithcored-outcylinderhead,SerialNo.26289000001andhigher.

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HAM CAN MUFFLERS (CH/CV11-15) CH Models

OutletPart No. Description D.B.C. Space Side Item1206811-S Muffleronly** 2.047" B PTO 31278604-S MountingKit*** — — PTO 31275526-S GuardKit — B PTO 31206811-S Muffleronly** 2.047" C Top 41278603-S Mounting/GuardKit**** — C Top 41206811-S Muffleronly 2.047" D Starter 51278602-S MountingKit*** — — Starter 51275526-S GuardKit — D Starter 5 **Shownwithdeflector,notincluded. ***Includesmanifold,brackets,gaskets,hardware.****Includesmanifold,brackets,exhaustdeflector,gasket,guard,hardware.B—Fromcenterlineofcranktotopofmuffleris12.5";totopofguardis13";to bottomofguardis6".FromPTOfacetoguardatfarthestpointis5.5";to muffleris5".C—Fromcenterlineofcranktotopofguardis18.5";totopofdeflectoris20.55".D—Fromcenterlineofcranktoleftedgeofguardis11.25";toleftedgeofmuffler is10.75".

MANIFOLDS Outlet ForPart No. O.D. Models Muffler Item1216403-S 1.312" CH11-15 Various 11216404-S* — CH11-15 Pepperpot 21216405-S** — CH11-15 Pepperpot 31238201-S 1.125" CH11-15 HamCan,Top 31238203-S 1.125" CH11-15 HamCan,PTO 4 *1.0"N.P.T.externalthread.**Sameas1238201-S,except1.0"N.P.T.externalthread.

EXHAUST FLANGE (CH/CV11-15)Foradaptingmanifoldlengthtocustomer-suppliedexhaust.Part No. Description Models1229501-S Steel,0.188"thick CH/CV11-15

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Exhaust

MISCELLANEOUS MUFFLERSCV Models CH Models

OutletPart No. Description Engine Side O.D. Item1275520-S* MufflerKit ValveCover 1.25" 1

*Includesintegralguard.Mufflerextends7"fromblowerhousing.

Kit No. Muffler Only Description (Ideal For) Engine Side Item1278616-S* 1206858-S& Round(Compressors) Top 1 (Aluminized)1278620-S 1206851-S Round(Press.Washers) AbovePTO 21278605-S** 275679-S Pepperpot-ThreadOn AbovePTO 32531401-S — Guardonly — 3*Includesangledoilfilltubeanddipsticktoclearmuffler,plusmountingbracket andhardware.Muffleroutletis5.5"abovevalvecover.OutletO.D.is1.25".**Includesmuffler,manifold,gasket,hardware.Mufflerhas1.0"N.P.T.internal thread.NotusableifenginerequiresCARB/EPAcertification.& Aluminizedsteelcanister.

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COMMERCIAL MOWER CANISTER MUFFLERS — HEAT SHIELDS REQUIRED. SEE BELOW.

Outlet Muffler MufflerPart No. Outlet Location/Direction O.D. Diameter Length A B Models2406809-S StarterSide/Straight 1.375" 4.0" 12.0" 1.0" 4.75" CV17-25/620-730,740,750,LV625-6802406808-S FilterSide/Straight 1.375" 4.0" 12.0" 1.0" 4.75" CV17-25/620-730,740,750,LV625-6802406820-S FilterSide/Down 1.375" 4.0" 12.0" 1.0" 4.75" CV17-25/620-730,740,750,LV625-6802406821-S FilterSide/Extended 1.375" 4.0" 12.0" 1.0" 4.75" CV17-25/620-730,740,750,LV625-680Note: Formounting,order(2)2404149-SGasket,(2)2407208-SStud,(2)M-641060-SNut,(4)2510052-SNut.

QUIET CANISTER MUFFLERS —HEAT SHIELDS REQUIRED. SEE BELOW.

Thesemufflersarelargerthanthoseabove,andalsoupto4dBAquieter(@3600RPM,WOT).

Outlet Muffler MufflerKit No. Muffler Only Outlet Location/Direction O.D. Diameter Length A B Models— 2406825-S Center/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV17-25/620-730,740,750,LV625-680— 2406827-S StarterSide/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV17-25/620-730,740,750,LV625-680— 2406829-S FilterSide/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV17-25/620-730,740,750,LV625-680— 2406828-S FilterSide/Down 1.375" 4.62" 16.0" 1.0" 5.5" CV17-25/620-730,740,750,LV625-680— 2406826-S FilterSide/Extended 1.375" 4.62" 16.0" 1.0" 5.5" CV17-25/620-730,740,750,LV625-680— 2406858-S& FilterSide/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV17-25/620-730,740,750,LV625-680— 2406843-S Center/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV26/745EFI,ECV630-749,PCV680-7402478628-S 2406845-S StarterSide/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV26/745EFI,ECV630-749,PCV680-7402478629-S 2406847-S FilterSide/Straight 1.375" 4.62" 16.0" 1.0" 5.5" CV26/745EFI,ECV630-749,PCV680-7402478630-S 2406846-S FilterSide/Down 1.375" 4.62" 16.0" 1.0" 5.5" CV26/745EFI,ECV630-749,PCV680-740

A — Mountingsurfacetobottomofmuffler.B — Mountingsurfacetotopofmuffler.Note: Formounting,order(2)2404149-SGasket,(2)2407208-SStud, (2)M-641060-SNut,(4)2510052-SNut.&Aluminizedsteelcanister.

HEAT SHIELDS FOR CANISTER MUFFLERSKohlerrequiresaheatshieldbetweenmufflerandaircleaner.Part No. Designed for Mufflers2428106-S* 2406808-S,09-S,20-S,21-S2431451-S& 2406826-S,27-S,28-S,29-S,58-S2428114-S* 2406825-S2428115-S* 2406844-S,45-S,46-S,47-S*Order(4)2508640-SScrewsformountingheatshield.&Aluminizedsteeltomatchmuffler.

Shown:2406827-SQuietversion.(Mufflerswillfitwithtop-mountcontrolsonly).

Shown:2406827-SQuietversion.(Mufflerswillfitwithtop-mountcontrolsonly).

Exhaust

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Exhaust

VERTICAL MUFFLER KITS* (CV17-740,750)Kit No. Muffler Only Location Outlet D.B.C. A B Item2478613-S 2406819-S StarterSide 3.06" 3.0" 3.5" 1(Shown)2478614-S 2406819-S FilterSide 3.06" 3.0" 3.5" 12478615-S 2406822-S StarterSide 3.06" — — 2(Shown)2478616-S 2406822-S FilterSide 3.06" — — 2*Includesmuffler,manifold,brackets,heatdeflector,clamp,gaskets,andhardware.A — Extendsforwardofaircleaner. B — Extendsright(orleft)ofvalvecover.

FLATAIRCLEANER COMMERCIALMOWERAIRCLEANER

CROSSOVER MANIFOLDS USED IN KITS ABOVE Outlet OutletPart No. Location O.D. Item2416412-S StarterSide,Down 1.125" 32416413-S FilterSide,Down 1.125" 42416416-S StarterSide,Up 1.125" 22416417-S FilterSide,Up 1.125" 1

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PTO-CANISTER MUFFLER AND GUARD KITS (IDEAL FOR GEN SETS)Mufflersaresamesizeasstandardcanisters(topofpage),buthavearaisedbodytoclearthealternatorassemblyonageneratorset.Notethatthereisnocenteroutletmufflerbecauseitwouldallowhotexhausttoblowdirectlyatthegeneratorsetcontrolbox. AEGIS COMMANDKit No. Muffler Only Outlet Location/Direction Outlet O.D. A B A B Models2478621-S* 2406836-S FilterSide/Straight 1.25" 6.3" 13.1" 6.5" 13.25" CH18-25/620-730,740,750,LH640-7552478622-S* 2406837-S StarterSide/Straight 1.25" 6.3" 13.1" 6.5" 13.25" CH18-25/620-730,740,750,LH640-7552478627-S 2406851-S FilterSide/Straight 1.25" 6.3" 13.1" 6.5" 13.25" CH26/745,LH775, ECH630-749,PCH680-7402578602-S 2406860-S StarterSide/Straight 1.25" 6.3" 13.1" 6.5" 13.25" CH26/745,LH775, ECH630-749,PCH680-74024755104-S** — MufflerGuardKit — — — — — CH18-25/730-750,LH640-775, ECH630-749,PCH680-74024755114-S** — SideShieldKit(2Shields) — — — — — CH18-25/730-750only(notLH), ECH630-749,PCH680-740 *Includesonlyscrewsforattachingheatshield.(RequiredforCH25,26/730-750,LH690-775).**WhenGuardKit24755104-SandShieldKit24755114-Sareusedtogether,theymeetEEC(European)standardsforavoidancewithhotsurfaces.A-Centerlineofcranktobottomofmuffler.B-Centerlineofcranktotopofmuffler.

STANDARD PTO-CANISTER MUFFLER AND GUARD KITS(notusablewith1”dia.metaloilfilltube) AEGIS COMMANDKit No. Muffler Only Outlet Location/Direction Outlet O.D. A B A B Models2478604-S 2406805-S Center/Straight 1.25" — — 4.5" 10.5" CH18-22,CH620-6802478605-S 2406807-S FilterSide/Straight 1.25" — — 4.5" 10.5" CH18-22,CH620-6802478606-S 2406806-S StarterSide/Straight 1.25" — — 4.5" 10.5" CH18-22,CH620-6802478623-S* — StarterSide/45°Down 1.25" 4.3" 10.3" 4.5" 10.5" CH18-25,CH620-730,LH640-7552478610-S** 2406812-S Center/Straight 1.25" 4.3" 10.3" 4.5" 10.5" CH25/,730,740,750,LH640-7552478611-S** 2406818-S FilterSide/Straight 1.25" 4.3" 10.3" 4.5" 10.5" CH25/,730,740,750,LH640-7552478612-S** 2406859-S& StarterSide/Straight(Shown) 1.25" 4.3" 10.3" 4.5" 10.5" CH25/,730,740,750,LH640-7552478626-S 2406857-S& FilterSide/Straight 1.25" 4.3" 10.3" 4.5" 10.5" CH25/,730,740,750,LH640-7552475580-S*** — MufflerGuardKit — — — — — CH18-26/620-750,LH640-775, ECH630-749,PCH680-74024755114-S*** — SideShieldKit(2Shields) — — — — — CH18-26/620-750only(notLH), ECH630-749,PCH680-7402478632-S 2406835-S*% FilterSide/Straight 1.25" 4.3" 10.3" 4.5" 10.5" CH26/745,LH775, ECH630-749,PCH680-7402478633-S 2406841-S*% Center/Straight 1.25" 4.3" 10.3" 4.5" 10.5" CH26/745,LH775, ECH630-749,PCH680-7402478631-S 2406842-S*% StarterSide/Straight 1.25" 4.3" 10.3" 4.5" 10.5" CH26/745,LH775, ECH630-749,PCH680-740*CH25,26/730-750,LH640-775require heatshield.**Includesheatshieldandscrews.Seeshieldsbelow.***WhenGuardKit2475580-SandShieldKit24755114-Sareusedtogether,theymeetEEC(European)standardsforavoidancewithhotsurfaces.%2575536-SMountingKitrequiredforfirsttimeinstallation.&Aluminizedsteelcanister.

Side Shield

Side Shield

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HEAT SHIELDS FOR CANISTER MUFFLERSPart No. Designed for Mufflers2431450-S*& 2406812-S,17-S,18-S,36-S,37-S,57-S2431421-S** 2406835-S,41-S,42-S,51-S *(4)M-650012screwsformountingheatshieldareincludedinmufflerkits, exceptfor2478623-Swhichrequiresscrewstobeordered.**Order(4)M-650012-Sscrewsformountingheatshield. &Aluminizedsteeltomatchmuffler.

Exhaust

SIDE-MOUNT MUFFLER AND GUARD KITS (STANDARD)(Notusablewith1”diametermetalorplasticoilfilltube) Extends EngineKit No. Muffler Only Location Outlet D.B.C. Models Width By Item2478608-S 2406813-S StarterSide 2.047" CH18-23,620-680 4.0" 12478609-S 2406814-S FilterSide*** 2.047" CH18-23,620-680* 4.0" 1(Shown)2475522-S — GuardKit** — CH18-23,620-680* 4.375" 22478619-S 2406830-S StarterSide 2.047" CH25/730,740,750,LH640-755***** 4.25" 3(Shown)2478620-S 2406831-S FilterSide**** 2.047" CH25/730,740,750,LH640-755***** 5.60" 324755149-S — GuardKit,StarterSide — CH25/730-750,LH640-755 4.25" 4(Shown)24755151-S — GuardKit,FilterSide — CH25/730-750,LH640-755 5.60" 42478624-S 2406854-S StarterSide 2.047" CH26,745***** 4.25" 32478625-S 2406855-S FilterSide**** 2.047" CH26,745,LH775***** 4.25" 3

*Notusableonmodelswithoilcooler. **Shownon2478609-SMufflerKit(mufflernotincluded). ***Mayalsoneedtoorder1205001-SOilFiltertoavoidinterferencewithmuffler. ****Includes1205001-SOilFiltertoavoidinterferencewithmuffler.******Kitsincludemuffleranddualmanifolds.

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CANISTER MUFFLER (Remote and Vertical Orientation)Availableonfiltersideonly(withoutoilcooler)andasremote.Specialshieldingisnecessary(furnishedbycustomer)toprotectthefuelpump,whetherspecificationhaspulse or mechanical pump. If a mechanical pump is used on starter side, no shielding is necessary. Mounting OutletPart No. Location O.D. Models2406815-S* RemoteMount 1.375" CH18-22,620-6802406816-S** FilterSide(shown) 1.375" CH18-22,620-6802406848-S*** RemoteMount CH23-740 *Alsoorder(1)2416404Manifold,(2)2404149Gasket,and(4)2510052-SNut.**Sameasabove,plus:(1)1223702Clamp,(1)M-839020Screw(bracketto crankcase),and(1)M-651030Screw(brackettovalvecover).***Alsoorder(1)2416427Manifold,(2)2404149Gasket,and(4)2510052-SNut, (1)4723704-SClamp,(1)M-651030Screw(brackettovalvecover),and 2431443-SHeatShield.Customersuppliesmountingbracket.

PTO CANISTER MUFFLERS AND GUARD (Closed Loop LP Systems with Carburetors)Mufflersincludethreadedadapterinfilter-sideinletpipe,toacceptoxygensensorforclosedloopLPfuelsystemswithcarburetors. Outlet Kit No. Muffler Only Location/Direction Outlet O.D. Models — 2406833-S* StarterSide/Straight 1.25" CH18-25,620-730 — 2406834-S* FilterSide/Straight 1.25" CH18-25,620-7302475580-S — WireGuardKit — CH18-25,620-730*Mufflersincludebracketsforattachingheatshield(requiredforCH25).Order2431450-SHeatShieldand(4)M-650012-SScrews.

PTO CANISTER MUFFLER (Special Outlet Pointing Down)Willnotacceptheatshieldorwireguardkit.CARB/EPAcompliantonCH18-22only. Outlet OutletPart No. Direction O.D. Models2406811-S Down 1.375" CH18-22**ApplicationEngineeringapprovalneededforCH25/730-740andLH640-755duetosmallermufflervolumeandpotentialforhigherheat.

Threaded adapter to accept oxygen sensor.

Exhaust

(Shown on Command)

SIDE-MOUNT GUARD KITS,EEC (EUROPEAN) COMPLIANTThesekitsincludeguardsforthemuffler,manifoldandexhaustelbow.TheguardsmustbeusedtogethertomeetEECstandardsforavoidingcontactwithhotsurfaces. Extends EngineKit No. Location Width By Models5475525-S FilterSide 4.375" CH18-23,620-68024755150-S* FilterSide 4.375" CH25/730,740,750 LH640-75524755148-S* StarterSide 4.375" CH25/730,740,750 LH640-755*Manifoldguardismetalmesh,comparedtowireforminotherkits.

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CROSSOVER MANIFOLDS Outlet ExtendsPart No. Location Outlet From PTO Face Models ItemSingle Manifolds2416404-S FilterSide 1.11"(O.D.) 0.75"OutsideFace CH620-680 12416403-S StarterSide(Fitsductpackage) 1.11"(O.D.) 2.125"OutsideFace CH620-680 12416410-S StarterSide(Forsidemuffler) 1.11"(O.D.) 0.25"InsideFace CH620-680 12416411-S FilterSide(Forsidemuffler) 1.11"(O.D.) 0.25"InsideFace CH620-680 12416427-S**** FilterSide 1.24"(O.D.) 0.25"InsideFace CH730-742,750,LH640-755 12416428-S**** StarterSide 1.24"(O.D.) 0.25"InsideFace CH730-742,750,LH640-755 12416425-S Center* 1.468"(O.D.) 6.5"OutsideFace CH26/745,LH775 2Dual Manifolds2416419-S StarterSide(Forsidemuffler,cyl.#1)** 1.26"(I.D.) 0.25"InsideFace CH25/730-750,LH640-755 32416420-S StarterSide(Forsidemuffler,cyl.#2)** 1.26"(I.D.) 0.25"InsideFace CH25/730-750,LH640-755 32416421-S FilterSide(Forsidemuffler,cyl.#2)*** 1.26"(I.D.) 0.25"InsideFace CH25/730-750,LH640-755 32416422-S FilterSide(Forsidemuffler,cyl.#1)*** 1.26"(I.D.) 0.25"InsideFace CH25/730-750,LH640-755 3 *IncludesportforOxygenSensor(2441805-S,notincluded).TobeCARB/EPAcertified,musthaveKohlerApplicationEngineeringapprovalwhennon-Kohlerexhaust components are used. **Includedinthe2478619-SSide-MountMufflerKit. ***Includedinthe2478620-SSide-MountMufflerKit.****Willnotfitwithstraightdipsticktube.OffsetDipstickTubeorKit24755121-Srequired.

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90° MANIFOLD KITKit No. Fits Muffler Thread Models†2473001-S 275679-S 1"N.P.T. CH18-25/730-750,LH640-755Kitincludes(2)Elbows,(2)Gaskets,(4)Nuts.NointerferencewithPTOface.

†IndicatesitemnotusableonengineswhicharerequiredtomeetCARBorEPAemissionregulations,unlessapprovedbyKohlerforspecificapplications.

OXYGEN SENSOR FITTINGEFIRepowersPart No. Description2529433-S Fitting, M18x1.52529453-S HexFitting,12mmx1.25

OXYGEN SENSOR PLUG KITPlugs O2sensorholeinEFImufflerforuseonCommandcarburetedengine.Part No.2413909-S

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STUB MANIFOLDPart No. Outlet O.D. Models6216412-S 1.5" CH940-1000

EXHAUST FLANGEForadaptationofcustomer-suppliedexhaust.Part No. Description Models6229501-S Steel,0.25"thick CH940-1000

EXHAUST PORT LINEROffersbetterthermalprotection.Part No. Description Models 6260507-S StainlessSteel, CH940-CH1000 0.030″thick CV940-CV1000 ECV940,ECV980

STUB MANIFOLDSKit No. Outlet O.D. Models †2416405-S 1.415" CH18-25/730-750,LH650-775

EXHAUST FLANGEForadaptationofcustomer-suppliedexhaust.Part No. Description Models2429501-S Steel,0.188"thick CH/CV17-25/730-750,LH640-775

EXHAUST PORT LINEROffersbetterthermalprotection.Part No. Description Models2460507-S StainlessSteel,CH/CV17-25/730-750,LH640-775, 0.035″thick, ECH/ECV630-749

†IndicatesitemnotusableonengineswhicharerequiredtomeetCARBorEPAemissionregulations,unlessapprovedbyKohlerforspecificapplications.

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CH940-CH1000 MUFFLER KITS*Kit No. Muffler Only Discharge Outlet O.D. A B Item Heat Shield (required)6278601-S 6206806-S Center 1.5" 11.75" 4.0" 1 6231405-S6278602-S 6206805-S StarterSide 1.5" 11.75" 4.0" 1 6231405-S6278603-S 6206802-S OppositeStarter 1.5" 11.75" 4.0" 1 6231405-S*Includesmuffler,gaskets,heatshield,andhardware.A — Centerlineofcranktotopofmuffler. B —Centerlineofcranktobottomofmuffler.

TIER III EXHAUST (SAI)Part No. Discharge6206819-S LeftOutlet(oppositestarter)6206827-S CenterOutlet6206828-S RightOutlet(starterside)

CV940-CV1000 MUFFLER KITS*Kit No. Muffler Only Discharge Outlet O.D. Item Heat Shield (required)6278604-S 6206809-S Center 1.5" 2 6231406-S6278605-S 6206808-S StarterSide 1.5" 2 6231404-S6278606-S 6206807-S OppositeStarter 1.5" 2 6231404-S*Includesmuffler,brackets,gaskets,heatshield,andhardware.

ECV940, ECV980 MUFFLER KITS*Kit No. Discharge6278608-S Center6278609-S #1CylinderSide6278610-S #2CylinderSide*Includesmuffler,brackets,gaskets,heatshield,andhardware.

ECH940, ECH980 MUFFLER KITS*Kit No. Muffler Only Discharge Heat Shield (required)6278613-S 6206816-S OppositeStarter 6231411-S 6278614-S 6206817-S StarterSide 6231411-S 6278615-S 6206818-S Center 6231411-S *Includesmuffler,brackets,gaskets,heatshield,andhardware.

CROSSOVER MANIFOLDS AND MUFFLEROriginalEquipmentManufacturerresponsiblefortheoriginalinstallationandthermalprotection.

Kit No. Models Description Location Outlet O.D. Inlet I.D. 6216410-S CH940-1000 Manifold Non-StarterSide 1.5" — NotPictured6216411-S CH940-1000 Manifold StarterSide 1.5" — NotPictured6206810-S CH940-1000 Muffler — — 1.5" NotPictured6278607-S* — — — — — NotPictured*Includes6206810,6216410,6216411,Gaskets,andHardware.

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Outside Fit

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SPARK ARRESTORS HP Rating Inlet Fits Muffler MountingPart No. Models For U.S.F.S. Size Outlet D.B.C. Notes Item6318902-S CS4-6 6 — — — Alreadyfactory-installedonengine 16318901-S CS8.5-12 12 — — — Alreadyfactory-installedonengine 11218902-S* CH/CV11-16/460-493,CH18-25/730-740, 27 1.125"O.D. 1.126"I.D. 2.047" Forpillowsidemuffler 2 LH640-755,SV470-6202418901-S CH18-26/730-750,LH640-775, 31 1.26"I.D. 1.25"O.D. — Forcanistermuffler,inc.deflector 32518901-S CH/CV11-16/460-493,CH18-26/730-750, 27 1.26"I.D. 1.25"O.D. — Includessetscrew 4 LH640-7752518902-S CH/CV17-26/730-750,LH640-775, 27 1.39"I.D. 1.375"O.D. — Includessetscrew 4 LV625-6806218902-S CH940-1000 40 — Includessetscrew —6253301-S CH940-1000 40 — Forcanistermuffler,inc.deflector 61453301-S XT-6/7 27 — — — Alreadyfactory-installedonengine 51753309-S CH270 27 — — — Alreadyfactory-installedonengine 21853302-S RH265 6*Alsoorder(4)M-545010-SScrew(drill5/32"holesinmuffler).

EXHAUST SILENCERS HP Rating Inlet Fits MufflerPart No. Models For U.S.F.S. Size Outlet Notes Item5242801-S Variesbyoutletsize **** — 1.375"O.D. Use5208620-SScrew 72575508-S Variesbyoutletsize **** — 1.25"O.D. Includesscrew 82575509-S Variesbyoutletsize **** — 1.375"O.D. Includesscrew 9****NotU.S.F.S.approved.

ECV850-ECV880 MUFFLER KITS*Kit No. Muffler Only Discharge Item1978601-S 1906801-S #2CylinderSide 31978602-S 1906802-S #1CylinderSide 31978603-S 1906803-S Center 31978605-S — FilterSide 3*Includesmuffler,brackets,gaskets,heatshield,andhardware.

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EXHAUST DEFLECTORSPart Inlet Fits Muffler AlsoNo. Models I.D. Outlet Order Item4505421-S CH/CV17-26/730-750, 1.376" 1.375"O.D. D 1 LH640-775,LV625-6802505405-S CH/CV940-1000, 1.55" 1.50"O.D. D 11205402-S CV11-16/460-493, 1.26" 1.25"O.D. B 2 CH18-26/730-750, LH640-7752426506-S CH/CV17-26/730-750, 1.39" 1.375"O.D. B 3 LH640-775,LV625-6802426507-S CS8.5(300cc),CS10-12, 1.39" 1.375"O.D. B 4 CH/CV17-26/730-750, LH640-775,LV625-6806326501-S CS4-6 1.02" 1.0" E 56326502-S CS8.5(250cc) 1.96" 1.94"O.D. E 52426501-S CH/CV11-16/460-493, 1.25" 1.25"O.D. — 6 CH18-26/730-750, LH640-7751526502-S CH6 — 1.57"D.B.C. A 712755106-S*CH/CV11-16/460-493, — 2.047"D.B.C. — 8 CH18-25/730-740**, LH640-755,SV470-6201275528-S* CH/CV11-16/460-493, — 2.047"D.B.C. — 9 CH18-25/730-740, LH640-755,SV470-6202575519-S*CH/CV11-16/460-493, — 2.047"D.B.C. — 10 CH18-25/730-740, LH640-755,SV470-6202475549-S* CH/CV17-750 — 3.06"D.B.C. — 1124755168-S*CH/CV17-750 — 3.06"D.B.C. — 126226503-S CH940-1000 — 1.50″O.D. —1873001-S SH265 — — 131773005-S CH270 — 2.01″D.B.C 141773003-S CH395/440 — 2.05″D.B.C 151812319-S 2000Series — — — — *Kitincludesdeflector,screws.**MinormodificationsareneededtoMufflerGuard2475522-Sifdeflectorisusedwith it.

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A — (2)M-556010-SScrew B — (1)4723704-SClampD — (1)2423713-SClamp E — (1)2508646-SScrew

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PIPE PROTECTORSPart Inlet Fits Muffler No. Models I.D. Outlet Item1773004-S CH440 — — 181773006-S CH270 — — 191773008-S CH395 — — 20

SHIELD KITSPart Inlet Fits MufflerNo. Models I.D. Outlet Item 1773001-S CH270 — 2.01″D.B.C 161773002-S CH395 — 2.05″D.B.C 17

HARDWARE KITSForattachingmufflerstoexhaustoutlets.Kit No. Models Includes Item1278617-S CH/CV11-16/460-493 2nuts,1gasket 12578601-S CH18-26/730-750,LH630-775w/standardflangenuts(shown) 4nuts,2gaskets 21778601-S CH270 3screws,1gasket 31778602-S CH395/440 3screws,1gasket 3

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Decals

Part No. 14 113 57-S

Part No. 63 113 06-S

Part No. 25 113 33-S

WARNING

Explosive Fuel can cause fires andsevere burns.Fuel systems ALWAYS remains underHIGH PRESSURE.See Service Manual for servicing details.

Part No. 24 113 78-S

Part No. 66 113 04-S

Part No. 66 113 01-S

Part No. 25 113 32-S

Part No. 24 113 18-S

KOHLERPOWER.COM PRINTED IN U.S.A. 25 800 148 REV. E 12/17 © 2017 KOHLER CO.

For more information, contact your KOHLER source of supply. Or call toll-free in the U.S. and Canada 800-544-2444.