Lawn Boy

Using This Manual - Section 2

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This manual applies directly to Lawn-Boy products produced between 1950 and 1988. It isalso used for servicing the F Series engine used on select Lawn-Boy walk mowers through2000. It contains service information for Lawn-Boy C, D, and F Series 2-cycle engines; PistonPower Products (Ryobi) 2-cycle trimmer engines; and related drive train and chassisinformation.

This manual, form 492-4608, is several hundred pages long. For ease of use in electronicform, this manual has been broken down into numerous smaller files. Please ensure the fileyou are viewing is the correct one for the machine being serviced. The list below gives modelnumber, model year, serial range, and engine manufacturer/model information to assist you inselecting service information. You may also find the information in Section 16 helpful (QuickReference Guide, Engine and Torque Specs).

Model Year Serial Range Engine Manuafacturer Engine Model Number0292 1980 000000001-099999999 Lawn-Boy F2100292A 1981 100000001-199999999 Lawn-Boy F2110292B 1982 A00000001-A99999999 Lawn-Boy F2110296 1983 B00000001-B99999999 Lawn-Boy F1000363 1984 C00000001-C99999999 Briggs & Stratton 110902-0542-020392 1980 000000001-099999999 Lawn-Boy F2500392A 1981 100000001-199999999 Lawn-Boy F2510392B 1982 A00000001-A99999999 Lawn-Boy F2510393 1982 A00000001-A99999999 Briggs & Stratton 110908-0542-020394 1982 A00000001-A99999999 Briggs & Stratton 92908-0164-020395 1982 A00000001-A99999999 Briggs & Stratton 110908-0542-020396 1983 B00000001-B99999999 Lawn-Boy F0397 1983 B00000001-B99999999 Briggs & Stratton 110902-0542-020399 1983 B00000001-B99999999 Briggs & Stratton 92908-0164-020425A 1985 D00000001-D99999999 Briggs & Stratton 110702-3186-010426A 1985 D00000001-D99999999 Briggs & Stratton 110702-3186-010427 1985 D00000001-D99999999 Briggs & Stratton 110702-3186-011010 1961 100000001-199999999 Lawn-Boy C711010 1962 200000001-299999999 Lawn-Boy C711011 1963 300000001-399999999 Lawn-Boy C741011 1964 400000001-499999999 Lawn-Boy C741012 1965 500000001-599999999 Lawn-Boy C741012 1966 600000001-699999999 Lawn-Boy C741013 1967 700000001-799999999 Lawn-Boy D4601013 1968 800000001-899999999 Lawn-Boy D4601013 1969 900000001-999999999 Lawn-Boy D4601014 1968 800000001-899999999 Lawn-Boy D4611014 1969 900000001-999999999 Lawn-Boy D4611015 1970 000000001-099999999 Lawn-Boy D4621015 1971 100000001-199999999 Lawn-Boy D4621015 1972 200000001-299999999 Lawn-Boy D4621015 1973 300000001-399999999 Lawn-Boy D4621015 1974 400000001-499999999 Lawn-Boy D462

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number10400 1993 3900001-3999999 Lawn-Boy F10400 1994 4900001-4999999 Lawn-Boy F10400 1995 5900001-5999999 Lawn-Boy F10401 1996 6900001-6999999 Lawn-Boy F10401 1997 7900001-7999999 Lawn-Boy F10401C 1998 8900001-8999999 Lawn-Boy F10401C 1999 9900001-9999999 Lawn-Boy F10401C 2000 200000001-200999999 Lawn-Boy F10415 1993 3900001-3999999 Lawn-Boy F10415 1994 4900001-4999999 Lawn-Boy F10415 1995 5900001-5999999 Lawn-Boy F10420 1993 3900001-3999999 Lawn-Boy F10420 1994 4900001-4999999 Lawn-Boy F10422 1996 6900001-6999999 Lawn-Boy F10422 1997 7900001-7999999 Lawn-Boy F10515 1993 3900001-3999999 Lawn-Boy F10515 1994 4900001-4999999 Lawn-Boy F10515 1995 5900001-5999999 Lawn-Boy F10518 1996 6900001-6999999 Lawn-Boy F10518 1997 7900001-7999999 Lawn-Boy F10520 1993 39000001-39999999 Lawn-Boy F10520 1994 4900001-4999999 Lawn-Boy F10520 1995 5900001-5999999 Lawn-Boy F10523 1996 6900001-6999999 Lawn-Boy F10523 1997 7900001-7999999 Lawn-Boy F10545 1994 4900001-4999999 Lawn-Boy F10545 1995 5900001-5999999 Lawn-Boy F10546 1996 6900001-6999999 Lawn-Boy F10546 1997 7900001-7999999 Lawn-Boy F10600 1993 39000001-39999999 Lawn-Boy F10600 1994 4900001-4999999 Lawn-Boy F10600 1995 59000001-59999999 Lawn-Boy F10601 1996 6900001-6999999 Lawn-Boy F10650 1994 4900001-4999999 Lawn-Boy F10650 1995 59000001-59999999 Lawn-Boy F10651 1996 6900001-6999999 Lawn-Boy F10700 1993 39000001-39999999 Lawn-Boy F10725 1993 39000001-39999999 Lawn-Boy F10735 1993 39000001-39999999 Lawn-Boy F1100 1984 400000001-499999999 Piston Powered Products (Ryobi)1100 1985 500000001-599999999 Piston Powered Products (Ryobi)1100 1986 600000001-699999999 Piston Powered Products (Ryobi)1100 1987 700000001-799999999 Piston Powered Products (Ryobi)1100 1988 800000001-899999999 Piston Powered Products (Ryobi)1100 1989 900000001-999999999 Piston Powered Products (Ryobi)11000 1997 790000001-799999999 Lawn-Boy F11000B 1994 49000001-49999999 Lawn-Boy F

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number11000B 1995 59000001-59999999 Lawn-Boy F11000B 1996 69000001-69999999 Lawn-Boy F11001 1997 7900001-7999999 Lawn-Boy F11001B 1996 69000001-69999999 Lawn-Boy F1116 1961 100000001-199999999 Lawn-Boy C721116 1962 200000001-299999999 Lawn-Boy C721116 1963 300000001-399999999 Lawn-Boy C721116 1964 400000001-499999999 Lawn-Boy C721150 1987 700000001-711999999 Piston Powered Products (Ryobi)1150 1987 712000000-799999999 Piston Powered Products (Ryobi)1150 1988 800000001-811999999 Piston Powered Products (Ryobi)1150 1989 812000000-899999999 Piston Powered Products (Ryobi)1150 1989 900000001-999999999 Piston Powered Products (Ryobi)1300 1980 000000001-099999999 Piston Powered Products (Ryobi)1300 1981 100000001-199999999 Piston Powered Products (Ryobi)1330 1980 000000001-099999999 Piston Powered Products (Ryobi)1360 1980 000000001-099999999 Piston Powered Products (Ryobi)1360 1981 100000001-199999999 Piston Powered Products (Ryobi)1400 1983 300000001-399999999 Piston Powered Products (Ryobi)1400 1984 400000001-499999999 Piston Powered Products (Ryobi)1400 1985 500000001-599999999 Piston Powered Products (Ryobi)1400 1986 600000001-699999999 Piston Powered Products (Ryobi)1400C 1985 D00000001-D99999999 Piston Powered Products (Ryobi)1400C 1987 700000001-799999999 Piston Powered Products (Ryobi)1400CL 1986 600000001-611999999 Piston Powered Products (Ryobi)1400CL 1986 612000000-699999999 Piston Powered Products (Ryobi)1400CL 1987 700000001-711999999 Piston Powered Products (Ryobi)1400CL 1987 712000000-799999999 Piston Powered Products (Ryobi)1400CL 1988 800000000-811999999 Piston Powered Products (Ryobi)1400CL 1988 812000000-899999999 Piston Powered Products (Ryobi)1400CL 1989 900000001-999999999 Piston Powered Products (Ryobi)1400CLC 1987 700000001-799999999 Piston Powered Products (Ryobi)1460 1984 400000001-499999999 Piston Powered Products (Ryobi)1460 1985 500000001-599999999 Piston Powered Products (Ryobi)1460 1986 600000001-699999999 Piston Powered Products (Ryobi)1460C 1985 500000001-799999999 Piston Powered Products (Ryobi)1480 1986 600000001-611999999 Piston Powered Products (Ryobi)1480 1986 612000000-699999999 Piston Powered Products (Ryobi)1480 1987 700000001-711999999 Piston Powered Products (Ryobi)1480 1987 712000000-799999999 Piston Powered Products (Ryobi)1480 1988 800000000-811999999 Piston Powered Products (Ryobi)1480 1988 812000000-899999999 Piston Powered Products (Ryobi)1480 1989 900000001-999999999 Piston Powered Products (Ryobi)1480C 1986 600000001-699999999 Piston Powered Products (Ryobi)1480C 1987 700000001-799999999 Piston Powered Products (Ryobi)1490 1985 500000001-599999999 Piston Powered Products (Ryobi)1490C 1986 600000001-699999999 Piston Powered Products (Ryobi)

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number1816 1961 100000001-199999999 Lawn-Boy C12AA1817 1962 200000001-299999999 Lawn-Boy C17AA1818 1963 300000001-399999999 Lawn-Boy D470, C18AA1820 1965 500000001-599999999 Lawn-Boy C18AAR, C19AA1820 1966 600000001-699999999 Lawn-Boy C18AAR, C19AA1840 1972 200000001-299999999 Briggs & Stratton 100202-0434-011840 1975 500000001-599999999 Briggs & Stratton 100202-0434-011840A 1973 300000001-399999999 Briggs & Stratton 100202-0434-011840A 1974 400000001-499999999 Briggs & Stratton 100202-0434-011840A 1975 500000001-599999999 Briggs & Stratton 100202-0434-011840A 1976 600000001-699999999 Briggs & Stratton 100202-0434-011850 1979 900000001-999999999 Lawn-Boy D5701851 1980 000000001-099999999 Lawn-Boy D5721871 1980 000000001-099999999 Lawn-Boy D572E1920 1964 400000001-499999999 Lawn-Boy C18AAR, C19AA1921 1965 500000001-599999999 Lawn-Boy C18AAR, C19AA2010 1962 200000001-299999999 Lawn-Boy C812010 1963 300000001-399999999 Lawn-Boy C812010 1964 400000001-499999999 Lawn-Boy C812010 1965 500000001-599999999 Lawn-Boy C8122240 1997 7900001-7999999 Lawn-Boy F22241 1997 7900001-7999999 Lawn-Boy F25574 1974 400000001-499999999 Briggs & Stratton 130902-020725575 1975 500000001-599999999 Briggs & Stratton 130902-02072650 1970 000000001-099999999 Briggs & Stratton 130202-0196-022650 1971 100000001-199999999 Briggs & Stratton 130202-0196-022650A 1972 200000001-299999999 Briggs & Stratton 130202-0237-022650B 1973 300000001-399999999 Briggs & Stratton 130202-0237-022650B 1974 400000001-499999999 Briggs & Stratton 130202-0237-022650B 1975 500000001-599999999 Briggs & Stratton 130202-0237-022680 1970 000000001-099999999 Briggs & Stratton 190402-0171-012680 1971 100000001-199999999 Briggs & Stratton 190402-0171-012680A 1972 200000001-299999999 Briggs & Stratton 190402-0654-022680B 1973 300000001-399999999 Briggs & Stratton 190402-0654-022680B 1974 400000001-499999999 Briggs & Stratton 190402-0751-012680B 1975 500000001-599999999 Briggs & Stratton 190402-0751-012680B 1976 600000001-699999999 Briggs & Stratton 190402-0751-013001 1967 700000001-799999999 Lawn-Boy C783002 1967 700000001-799999999 Lawn-Boy C783002 1968 800000001-899999999 Lawn-Boy C783002 1969 900000001-999999999 Lawn-Boy C783003 1970 000000001-099999999 Lawn-Boy C793003 1971 100000001-199999999 Lawn-Boy C793050 1959 900000001-999999999 Lawn-Boy C703050 1960 000000001-099999999 Lawn-Boy C703050 1961 100000001-199999999 Lawn-Boy C703051 1962 200000001-299999999 Lawn-Boy C73

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number3052 1963 3000001-3999999 Lawn-Boy C733052 1964 4000001-4999999 Lawn-Boy C763052 1965 5000001-5999999 Lawn-Boy C763053 1966 600000001-699999999 Lawn-Boy D4303054 1967 700000001-799999999 Lawn-Boy D4303054 1968 800000001-899999999 Lawn-Boy D4303055 1969 900000001-999999999 Lawn-Boy D4313056 1970 000000001-099999999 Lawn-Boy D4323056 1971 100000001-199999999 Lawn-Boy D4323057 1972 200000001-299999999 Lawn-Boy D4323058 1973 300000001-399999999 Lawn-Boy D4313060 1987 F00000001-F99999999 Lawn-Boy F3100 1957 700000001-799999999 Lawn-Boy C203100 1979 900000001-999999999 Piston Powered Products (Ryobi)3130 1979 900000001-999999999 Piston Powered Products (Ryobi)3160 1979 900000001-999999999 Piston Powered Products (Ryobi)3210 1959 900000001-999999999 Lawn-Boy C704230 1983 B00000001-B99999999 Lawn-Boy F4230 1984 C00000001-C99999999 Lawn-Boy F4230 1985 D00000001-D99999999 Lawn-Boy F4250 1983 B00000001-B99999999 Lawn-Boy F4250A 1984 C00000001-C99999999 Lawn-Boy F4260 1985 D00000001-D99999999 Lawn-Boy F4261 1985 D00000001-D99999999 Lawn-Boy F4261 1986 E00000001-E99999999 Lawn-Boy F4262 1986 E00000001-E99999999 Lawn-Boy F4262 1987 F00000001-F99999999 Lawn-Boy F4262 1988 G00000001-G99999999 Lawn-Boy F4263 1988 G00000001-G99999999 Lawn-Boy F4270 1983 B00000001-B99999999 Lawn-Boy F4271 1984 C00000001-C99999999 Lawn-Boy F4271 1985 D00000001-D99999999 Lawn-Boy F4275 1987 F00000001-F99999999 Lawn-Boy F4275 1988 G00000001-G99999999 Lawn-Boy F4275 1989 H00000001-H99999999 Lawn-Boy F4275 1990 J00000001-J99999999 Lawn-Boy F4300 1962 200000001-299999999 Lawn-Boy C184301 1963 300000001-399999999 Lawn-Boy D4004301A 1964 400000001-499999999 Lawn-Boy D4014302 1965 500000001-599999999 Lawn-Boy D4024500 1979 900000001-999999999 Lawn-Boy D4104501 1980 000000001-099999999 Lawn-Boy D4114502 1981 100000001-199999999 Lawn-Boy F3004502 1982 A00000001-A99999999 Lawn-Boy F3004503 1982 A00000001-A99999999 Lawn-Boy F3404505 1983 B00000001-B99999999 Lawn-Boy F3004505A 1984 C00000001-C99999999 Lawn-Boy F301

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number4506 1984 C00000001-C99999999 Lawn-Boy F4530 1979 900000001-999999999 Lawn-Boy D4154531 1980 000000001-099999999 Lawn-Boy D4154532 1981 100000001-199999999 Lawn-Boy D4154550 1979 900000001-999999999 Lawn-Boy F1004551 1980 000000001-099999999 Lawn-Boy F1004551 1981 100000001-199999999 Lawn-Boy F1004551 1982 A00000001-A99999999 Lawn-Boy F1004570 1979 900000001-999999999 Lawn-Boy F1004571 1980 000000001-099999999 Lawn-Boy F1004571 1981 100000001-199999999 Lawn-Boy F1004571 1982 A00000001-A99999999 Lawn-Boy F1004571 1983 B00000001-B99999999 Lawn-Boy F1004571 1984 C00000001-C99999999 Lawn-Boy F1004573 1983 B00000001-B99999999 Lawn-Boy F1004600 1984 C00000001-C99999999 Lawn-Boy F4600 1985 D00000001-D99999999 Lawn-Boy F4600 1986 E00000001-E99999999 Lawn-Boy F4602 1988 G00000001-G99999999 Lawn-Boy F4630 1984 C00000001-C99999999 Lawn-Boy F4631 1985 D00000001-D99999999 Lawn-Boy F4631 1986 E00000001-E99999999 Lawn-Boy F4650 1983 B00000001-B99999999 Lawn-Boy F4651 1984 C00000001-C99999999 Lawn-Boy F4651 1985 D00000001-D99999999 Lawn-Boy F4652 1984 C00000001-C99999999 Lawn-Boy F4652 1985 D00000001-D99999999 Lawn-Boy F4656 1986 E00000001-E99999999 Lawn-Boy F4656 1987 F00000001-F99999999 Lawn-Boy F4656 1988 G00000001-G99999999 Lawn-Boy F4656A 1988 G00000001-G99999999 Lawn-Boy F4861 1988 G00000001-G99999999 Lawn-Boy F5000 1956 600000001-699999999 Lawn-Boy C125001 1967 700000001-799999999 Lawn-Boy C185002 1968 800000001-899999999 Lawn-Boy C185003 1969 900000001-999999999 Lawn-Boy C185004 1970 000000001-099999999 Lawn-Boy C185004 1971 100000001-199999999 Lawn-Boy C185006 1982 A00000001-A99999999 Lawn-Boy D4155020 1971 100000001-199999999 Lawn-Boy D4375021 1972 200000001-299999999 Lawn-Boy D4325022 1973 300000001-399999999 Lawn-Boy D4325023 1974 400000001-499999999 Lawn-Boy D4335024 1975 500000001-599999999 Lawn-Boy D4335024 1976 600000001-699999999 Lawn-Boy D4335024 1977 700000001-799999999 Lawn-Boy D4335024 1978 800000001-899999999 Lawn-Boy D433

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number5024 1979 900000001-999999999 Lawn-Boy D4335024 1980 000000001-099999999 Lawn-Boy D4335024 1981 100000001-199999999 Lawn-Boy D4335026 1978 800000001-899999999 Lawn-Boy F2005026 1979 900000001-999999999 Lawn-Boy F2005063 1974 400000001-499999999 Lawn-Boy D4335064 1975 500000001-599999999 Lawn-Boy D4335064 1976 600000001-699999999 Lawn-Boy D4335064 1977 700000001-799999999 Lawn-Boy D4335070 1987 F00000001-F99999999 Lawn-Boy F5070 1988 G00000001-G99999999 Lawn-Boy F5070 1989 H00000001-H99999999 Lawn-Boy F5070 1990 J00000001-J99999999 Lawn-Boy F5080 1972 200000001-299999999 Lawn-Boy D4335081 1973 300000001-399999999 Lawn-Boy D4335100 1957 700000001-799999999 Lawn-Boy C125100X 1958 800000001-899999999 Lawn-Boy C125124 1977 700000001-799999999 Lawn-Boy D4095124 1979 900000001-999999999 Lawn-Boy D4095124 1981 100000001-199999999 Lawn-Boy D4095124 1982 A00000001-A99999999 Lawn-Boy D4095125 1981 100000001-199999999 Lawn-Boy D4125126 1982 A00000001-A99999999 Lawn-Boy F3805126 1983 B00000001-B99999999 Lawn-Boy F3805126 1984 C00000001-C99999999 Lawn-Boy F3805126 1985 D00000001-D99999999 Lawn-Boy F3805126 1986 E00000001-E99999999 Lawn-Boy F3805127 1987 F00000001-F99999999 Lawn-Boy F5127 1988 G00000001-G99999999 Lawn-Boy F5200 1958 800000001-899999999 Lawn-Boy C135210 1959 900000001-999999999 Lawn-Boy C145210 1960 000000001-099999999 Lawn-Boy C145210 1961 100000001-199999999 Lawn-Boy C145210A 1961 100000001-199999999 Lawn-Boy C145230 1962 200000001-299999999 Lawn-Boy C175231 1963 300000001-399999999 Lawn-Boy C175232 1964 400000001-499999999 Lawn-Boy D4005233 1965 500000001-599999999 Lawn-Boy D4015234 1966 600000001-699999999 Lawn-Boy D4025235 1967 700000001-799999999 Lawn-Boy D4035236 1968 800000001-899999999 Lawn-Boy D4045237 1968 800000001-899999999 Lawn-Boy D4055238 1969 900000001-999999999 Lawn-Boy D4035239 1970 000000001-099999999 Lawn-Boy D4085239 1971 100000001-199999999 Lawn-Boy D4085239A 1972 200000001-299999999 Lawn-Boy D4085239B 1973 300000001-399999999 Lawn-Boy D408

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number5239C 1974 400000001-499999999 Lawn-Boy D4085239D 1975 500000001-599999999 Lawn-Boy D4095239F 1976 600000001-699999999 Lawn-Boy D4095239G 1977 700000001-799999999 Lawn-Boy D4095239G 1978 800000001-899999999 Lawn-Boy D4095239G 1979 900000001-999999999 Lawn-Boy D4095239G 1980 000000001-099999999 Lawn-Boy D4095239G 1981 100000001-199999999 Lawn-Boy D4095240 1972 200000001-299999999 Lawn-Boy D6005241 1973 300000001-399999999 Lawn-Boy D6005242 1974 400000001-499999999 Lawn-Boy D6005243 1975 500000001-599999999 Lawn-Boy D6015244 1976 600000001-699999999 Lawn-Boy D6015245 1977 700000001-799999999 Lawn-Boy D6015245 1978 800000001-899999999 Lawn-Boy D6015247 1978 800000001-899999999 Lawn-Boy F1005247 1979 900000001-999999999 Lawn-Boy F1005247 1980 000000001-099999999 Lawn-Boy F1005247 1981 100000001-199999999 Lawn-Boy F1005247 1982 A00000001-A99999999 Lawn-Boy F1005247 1983 B00000001-B99999999 Lawn-Boy F1015247 1984 C00000001-C99999999 Lawn-Boy F1015247 1985 D00000001-D99999999 Lawn-Boy F1015247 1986 E00000001-E99999999 Lawn-Boy F1015248A 1983 B00000001-B99999999 Lawn-Boy F5248B 1984 C00000001-C99999999 Lawn-Boy F5248B 1985 D00000001-D99999999 Lawn-Boy F5249 1983 B00000001-B99999999 Lawn-Boy F5250 1959 900000001-999999999 Lawn-Boy C605250 1960 000000001-099999999 Lawn-Boy C615250 1961 100000001-199999999 Lawn-Boy C615250A 1962 200000001-299999999 Lawn-Boy C615251 1962 200000001-299999999 Lawn-Boy C615253 1984 C00000001-C99999999 Lawn-Boy F5253 1985 D00000001-D99999999 Lawn-Boy F5253 1986 E00000001-E99999999 Lawn-Boy F5254 1986 E00000001-E99999999 Lawn-Boy F5254 1987 F00000001-F99999999 Lawn-Boy F5254 1988 G00000001-G99999999 Lawn-Boy F5255 1988 G00000001-G99999999 Lawn-Boy F5265 1967 700000001-799999999 Lawn-Boy D4055266 1968 800000001-899999999 Lawn-Boy D4055267 1968 800000001-899999999 Lawn-Boy D4065269 1970 000000001-099999999 Lawn-Boy D4085269 1971 100000001-199999999 Lawn-Boy D4085269 1973 300000001-399999999 Lawn-Boy D4085269A 1972 200000001-299999999 Lawn-Boy D408

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number5269B 1973 300000001-399999999 Lawn-Boy D4085269C 1974 400000001-499999999 Lawn-Boy D4085269D 1975 500000001-599999999 Lawn-Boy D4095269D 1976 600000001-699999999 Lawn-Boy D4095269F 1975 500000001-599999999 Lawn-Boy D4095269F 1976 600000001-699999999 Lawn-Boy D4095269G 1977 700000001-799999999 Lawn-Boy D4095269G 1978 800000001-899999999 Lawn-Boy D4095269G 1979 900000001-999999999 Lawn-Boy D4095269G 1980 000000001-099999999 Lawn-Boy D4095269G 1981 100000001-199999999 Lawn-Boy D4095269S 1970 000000001-099999999 Lawn-Boy D4095269S 1971 100000001-199999999 Lawn-Boy D4095270 1972 200000001-299999999 Lawn-Boy D6005271 1973 300000001-399999999 Lawn-Boy D6005272 1974 400000001-499999999 Lawn-Boy D6005273 1975 500000001-599999999 Lawn-Boy D6015273 1976 600000001-699999999 Lawn-Boy D6015274 1976 600000001-699999999 Lawn-Boy D6015275 1977 700000001-799999999 Lawn-Boy D6015275 1978 800000001-899999999 Lawn-Boy D6015277 1978 800000001-899999999 Lawn-Boy F1005277 1979 900000001-999999999 Lawn-Boy F1005277 1980 000000001-099999999 Lawn-Boy F1005277 1981 100000001-199999999 Lawn-Boy F1005277 1982 A00000001-A99999999 Lawn-Boy F1005277 1983 B00000001-B99999999 Lawn-Boy F1005277 1984 C00000001-C99999999 Lawn-Boy F1005277 1985 D00000001-D99999999 Lawn-Boy F1005278 1988 G00000001-G99999999 Lawn-Boy F10060-1618-2 1982 A00000001-A99999999 Lawn-Boy F20160-1618-2 1983 B00000001-B99999999 Lawn-Boy F60-1618-2 1984 C00000001-C99999999 Lawn-Boy F60-1618-2 1985 D00000001-D99999999 Lawn-Boy F6100 1957 400000001-799999999 Lawn-Boy C406116 1969 900000001-999999999 Lawn-Boy C416117 1969 900000001-999999999 Lawn-Boy C416120 1986 E00000001-E99999999 Lawn-Boy C416200 1958 800000001-899999999 Lawn-Boy C416210 1959 900000001-999999999 Lawn-Boy C416211 1984 C00000001-C99999999 Lawn-Boy F6211 1985 D00000001-D99999999 Lawn-Boy F6212 1984 C00000001-C99999999 Lawn-Boy F6212 1985 D00000001-D99999999 Lawn-Boy F6221 1984 C00000001-C99999999 Lawn-Boy F6221 1985 D00000001-D99999999 Lawn-Boy F6222 1987 F00000001-F99999999 Lawn-Boy F

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number6222 1988 G00000001-G99999999 Lawn-Boy F6222 1989 H00000001-H99999999 Lawn-Boy F6222 1990 J00000001-J99999999 Lawn-Boy F6230 1986 E00000001-E99999999 Lawn-Boy F6250 1964 400000001-499999999 Lawn-Boy C196251 1965 500000001-599999999 Lawn-Boy C196251 1966 600000001-699999999 Lawn-Boy C196252 1966 600000001-699999999 Lawn-Boy C196252 1967 700000001-799999999 Lawn-Boy C196252 1968 800000001-899999999 Lawn-Boy C196252 1969 900000001-999999999 Lawn-Boy C196252 1970 000000001-099999999 Lawn-Boy C196252 1971 100000001-199999999 Lawn-Boy C196253 1972 200000001-299999999 Lawn-Boy D4766254 1973 300000001-399999999 Lawn-Boy D4766254 1974 400000001-499999999 Lawn-Boy D4766255 1975 500000001-599999999 Lawn-Boy D4766255 1976 600000001-699999999 Lawn-Boy D4766255 1977 700000001-799999999 Lawn-Boy D4766255 1978 800000001-899999999 Lawn-Boy D4766257 1978 800000001-899999999 Lawn-Boy F2006257 1979 900000001-999999999 Lawn-Boy F2006258 1978 800000001-899999999 Lawn-Boy F2006258 1979 900000001-999999999 Lawn-Boy F2006259 1980 000000001-099999999 Lawn-Boy F2016259 1981 100000001-199999999 Lawn-Boy F2016259 1982 A00000001-A99999999 Lawn-Boy F2016259 1983 B00000001-B99999999 Lawn-Boy F2016259 1984 C00000001-C99999999 Lawn-Boy F2016259 1985 D00000001-D99999999 Lawn-Boy F2016259 1986 E00000001-E99999999 Lawn-Boy F2016260 1981 100000001-199999999 Lawn-Boy F2016261 1983 B00000001-B99999999 Lawn-Boy F6262 1984 C00000001-C99999999 Lawn-Boy F6275 1969 900000001-999999999 Lawn-Boy D4756275 1970 000000001-099999999 Lawn-Boy D4766275 1971 100000001-199999999 Lawn-Boy D4766275 1972 200000001-299999999 Lawn-Boy D4766276 1973 300000001-399999999 Lawn-Boy D4766276 1974 400000001-499999999 Lawn-Boy D4766277 1975 500000001-599999999 Lawn-Boy D4766277 1976 600000001-699999999 Lawn-Boy D4766277 1977 700000001-799999999 Lawn-Boy D4766279 1978 800000001-899999999 Lawn-Boy F2006279 1979 900000001-999999999 Lawn-Boy F2006280 1980 000000001-099999999 Lawn-Boy F2016280 1981 100000001-199999999 Lawn-Boy F201

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number6280 1982 A00000001-A99999999 Lawn-Boy F2016280 1983 300000001-399999999 Lawn-Boy F2016280 1984 C00000001-C99999999 Lawn-Boy F2016280 1985 D00000001-D99999999 Lawn-Boy F2016286 1983 B00000001-B99999999 Lawn-Boy F6290 1979 900000001-999999999 Lawn-Boy F2006290 1980 000000001-099999999 Lawn-Boy F2006290 1981 100000001-199999999 Lawn-Boy F2006291 1980 000000001-099999999 Lawn-Boy F2016291 1981 100000001-199999999 Lawn-Boy F2016300 1980 000000001-099999999 Lawn-Boy F2016300 1981 100000001-199999999 Lawn-Boy F2016300 1982 A00000001-A99999999 Lawn-Boy F2016301 1983 B00000001-B99999999 Lawn-Boy F2016302 1984 C00000001-C99999999 Lawn-Boy F2016302 1985 D00000001-D99999999 Lawn-Boy F2016350 1980 000000001-099999999 Lawn-Boy F2016420 1983 B00000001-B99999999 Lawn-Boy F6421 1984 C00000001-C99999999 Lawn-Boy F6421 1985 D00000001-D99999999 Lawn-Boy F6430 1986 E00000001-E99999999 Lawn-Boy F6431 1987 F00000001-F99999999 Lawn-Boy F6431 1988 G00000001-G99999999 Lawn-Boy F6461 1986 E00000001-E99999999 Lawn-Boy F6461 1987 F00000001-F99999999 Lawn-Boy F6461 1988 G00000001-G99999999 Lawn-Boy F680521 1992 L00000001-L99999999 Lawn-Boy F680526 1992 L00000001-L99999999 Lawn-Boy F680527 1992 L00000001-L99999999 Lawn-Boy F680528 1992 L00000001-L99999999 Lawn-Boy F680529 1992 L00000001-L99999999 Lawn-Boy F680530 1992 L00000001-L99999999 Lawn-Boy F680532 1991 K00000001-K99999999 Briggs & Stratton 126702-3192680532 1992 L00000001-L99999999 Briggs & Stratton 126702-3192680539 1992 L00000001-L99999999 Briggs & Stratton 126702-3192680540 1992 L00000001-L99999999 Lawn-Boy F680541 1992 L00000001-L99999999 Lawn-Boy F680542 1992 L00000001-L99999999 Lawn-Boy F680543 1992 L00000001-L99999999 Lawn-Boy F680544 1992 L00000001-L99999999 Lawn-Boy F680545 1992 L00000001-L99999999 Lawn-Boy F680546 1992 L00000001-L99999999 Lawn-Boy F680547 1991 K00000001-K99999999 Briggs & Stratton 126702-3192680547 1992 L00000001-L99999999 Briggs & Stratton 126702-3192680548 1991 K00000001-K99999999 Briggs & Stratton 126702-3192680548 1992 L00000001-L99999999 Briggs & Stratton 126702-3192680550 1992 L00000001-L99999999 Lawn-Boy F

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number680551 1992 L00000001-L99999999 Lawn-Boy F680552 1992 L00000001-L99999999 Lawn-Boy F680553 1992 L00000001-L99999999 Lawn-Boy F680554 1992 L00000001-L99999999 Lawn-Boy F680555 1992 L00000001-L99999999 Lawn-Boy F680558 1992 L00000001-L99999999 Lawn-Boy F680559 1992 L00000001-L99999999 Lawn-Boy F680560 1992 L00000001-L99999999 Lawn-Boy F680561 1992 L00000001-L99999999 Lawn-Boy F680565 1992 L00000001-L99999999 Lawn-Boy F680566 1992 L00000001-L99999999 Lawn-Boy F7000 1956 600000001-699999999 Lawn-Boy C187001 1966 600000001-699999999 Lawn-Boy C187001 1967 700000001-799999999 Lawn-Boy C187002 1968 800000001-899999999 Lawn-Boy C187003 1969 900000001-999999999 Lawn-Boy C187004 1970 000000001-099999999 Lawn-Boy C187004 1971 100000001-199999999 Lawn-Boy C187010 1968 800000001-899999999 Lawn-Boy C187010 1969 900000001-999999999 Lawn-Boy C187011 1969 900000001-999999999 Lawn-Boy C187012 1970 000000001-099999999 Lawn-Boy C187012 1971 100000001-199999999 Lawn-Boy C187020 1970 000000001-099999999 Lawn-Boy C207020 1971 100000001-199999999 Lawn-Boy C207021 1972 200000001-299999999 Lawn-Boy D4337022 1973 300000001-399999999 Lawn-Boy D4337023 1974 400000001-499999999 Lawn-Boy D4337024 1975 500000001-599999999 Lawn-Boy D4337024 1976 600000001-699999999 Lawn-Boy D4337024 1977 700000001-799999999 Lawn-Boy D4337025 1978 800000001-899999999 Lawn-Boy D4537025 1979 900000001-999999999 Lawn-Boy F2007035 1986 E00000001-E99999999 Lawn-Boy F7050 1959 900000001-999999999 Lawn-Boy C707050 1982 A00000001-A99999999 Lawn-Boy F3207050 1983 B00000001-B99999999 Lawn-Boy F3207050 1984 C00000001-C99999999 Lawn-Boy F3207050 1985 D00000001-D99999999 Lawn-Boy F3207050 1986 E00000001-E99999999 Lawn-Boy F3207064 1970 000000001-099999999 Lawn-Boy C18B7064 1971 100000001-199999999 Lawn-Boy C18B7070 1980 000000001-099999999 Lawn-Boy F1007071 1981 100000001-199999999 Lawn-Boy F1017071 1982 A00000001-A99999999 Lawn-Boy F1017072 1984 C00000001-C99999999 Lawn-Boy F7072 1985 D00000001-D99999999 Lawn-Boy F

Using This Manual - Section 2

Page 13 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number7072A 1986 E00000001-E99999999 Lawn-Boy F7072JP 1984 C00000001-C99999999 Lawn-Boy F7073 1986 E00000001-E99999999 Lawn-Boy F7073 1987 F00000001-F99999999 Lawn-Boy F7073 1988 G00000001-G99999999 Lawn-Boy F7073B 1987 F00000001-F99999999 Lawn-Boy F7074 1988 G00000001-G99999999 Lawn-Boy F7080 1970 000000001-099999999 Lawn-Boy D4317080 1971 100000001-199999999 Lawn-Boy D4317081 1972 200000001-299999999 Lawn-Boy D4337082 1973 300000001-399999999 Lawn-Boy D4337083 1974 400000001-499999999 Lawn-Boy D4337084 1975 500000001-599999999 Lawn-Boy D4337084 1976 600000001-699999999 Lawn-Boy D4337084 1977 700000001-799999999 Lawn-Boy D4337084 1978 800000001-899999999 Lawn-Boy D4337086 1978 800000001-899999999 Lawn-Boy F2007086 1979 900000001-999999999 Lawn-Boy F2007100 1957 400000001-499999999 Lawn-Boy C127100X 1958 800000001-899999999 Lawn-Boy C127150 1982 A00000001-A99999999 Lawn-Boy C127150 1983 B00000001-B99999999 Lawn-Boy F3207200 1958 800000001-899999999 Lawn-Boy C137210 1959 900000001-999999999 Lawn-Boy C147210 1960 000000001-099999999 Lawn-Boy C147210 1961 100000001-199999999 Lawn-Boy C147210A 1961 100000001-199999999 Lawn-Boy C147214 1964 400000001-499999999 Lawn-Boy D4017215 1965 500000001-599999999 Lawn-Boy D4027216 1966 600000001-699999999 Lawn-Boy D4037217 1967 700000001-799999999 Lawn-Boy D4047218 1968 800000001-899999999 Lawn-Boy D4057219 1968 800000001-899999999 Lawn-Boy D4067220 1969 900000001-999999999 Lawn-Boy D4077221 1970 000000001-099999999 Lawn-Boy D4087221 1971 100000001-199999999 Lawn-Boy D4087221 1972 200000001-299999999 Lawn-Boy D4087221A 1972 200000001-299999999 Lawn-Boy D4087221B 1973 300000001-399999999 Lawn-Boy D4087221C 1974 400000001-499999999 Lawn-Boy D4087221D 1975 500000001-599999999 Lawn-Boy D4097221F 1976 600000001-699999999 Lawn-Boy D4097221G 1977 700000001-799999999 Lawn-Boy D4097221G 1978 800000001-899999999 Lawn-Boy D4097221G 1979 900000001-999999999 Lawn-Boy D4097221G 1980 000000001-099999999 Lawn-Boy D4097221G 1981 100000001-199999999 Lawn-Boy D409

Using This Manual - Section 2

Page 14 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number7222 1972 200000001-299999999 Lawn-Boy D6007223 1973 300000001-399999999 Lawn-Boy D6007224 1974 400000001-499999999 Lawn-Boy D6007225 1975 500000001-599999999 Lawn-Boy D6017226 1976 600000001-699999999 Lawn-Boy D6017227 1977 700000001-799999999 Lawn-Boy D6017227 1978 800000001-899999999 Lawn-Boy D6017229 1978 800000001-899999999 Lawn-Boy F1007229 1979 900000001-999999999 Lawn-Boy F1007229 1980 000000001-099999999 Lawn-Boy F1007229 1981 100000001-199999999 Lawn-Boy F1007229 1982 A00000001-A99999999 Lawn-Boy F1007229 1983 B00000001-B99999999 Lawn-Boy F1007229 1984 C00000001-C99999999 Lawn-Boy F1007229 1985 D00000001-D99999999 Lawn-Boy F1007229G 1980 000000001-099999999 Lawn-Boy F1007231 1983 B00000001-B99999999 Lawn-Boy F1007232 1984 C00000001-C99999999 Lawn-Boy F1007240 1988 G00000001-G99999999 Lawn-Boy F1007250 1960 000000001-099999999 Lawn-Boy C157250 1961 100000001-199999999 Lawn-Boy C157251 1962 200000001-299999999 Lawn-Boy C187252 1964 400000001-499999999 Lawn-Boy D4007253 1964 400000001-499999999 Lawn-Boy C187254 1965 500000001-599999999 Lawn-Boy D4007254WB 1965 500000001-599999999 Lawn-Boy D4017255 1966 600000001-699999999 Lawn-Boy D4037256 1967 700000001-799999999 Lawn-Boy D4047257 1968 800000001-899999999 Lawn-Boy D4057258 1968 800000001-899999999 Lawn-Boy D4067258E 1968 800000001-899999999 Lawn-Boy D406E7258E 1969 900000001-999999999 Lawn-Boy D406E7259 1969 900000001-999999999 Lawn-Boy D4077259E 1969 900000001-999999999 Lawn-Boy D407E7260 1970 000000001-099999999 Lawn-Boy D4087260 1971 100000001-199999999 Lawn-Boy D4087260A 1972 200000001-299999999 Lawn-Boy D4087260B 1973 300000001-399999999 Lawn-Boy D4087260C 1974 400000001-499999999 Lawn-Boy D4087260D 1975 500000001-599999999 Lawn-Boy D4097260D 1976 600000001-699999999 Lawn-Boy D4097260E 1970 000000001-099999999 Lawn-Boy D408E7260E 1971 100000001-199999999 Lawn-Boy D408E7260F 1976 600000001-699999999 Lawn-Boy D4097260G 1977 700000001-799999999 Lawn-Boy D4097260G 1978 800000001-899999999 Lawn-Boy D4097260G 1979 900000001-999999999 Lawn-Boy D409

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number7260G 1980 000000001-099999999 Lawn-Boy D4097260G 1981 100000001-199999999 Lawn-Boy D4097260S 1970 000000001-099999999 Lawn-Boy D4097260S 1971 100000001-199999999 Lawn-Boy D4097261 1972 200000001-299999999 Lawn-Boy D6007261E 1972 200000001-299999999 Lawn-Boy D6007262 1973 300000001-399999999 Lawn-Boy D6007262E 1973 300000001-399999999 Lawn-Boy D600E7263 1974 400000001-499999999 Lawn-Boy D6007263E 1974 400000001-499999999 Lawn-Boy D601E7264 1975 500000001-599999999 Lawn-Boy D6017264 1976 600000001-699999999 Lawn-Boy D6017265 1976 600000001-699999999 Lawn-Boy D6017266 1977 700000001-799999999 Lawn-Boy D6017266 1978 800000001-899999999 Lawn-Boy D6017268 1978 800000001-899999999 Lawn-Boy F1007268 1979 900000001-999999999 Lawn-Boy F1007268 1980 000000001-099999999 Lawn-Boy F1007268 1981 100000001-199999999 Lawn-Boy F1007268 1982 A00000001-A99999999 Lawn-Boy F1007268A 1986 E00000001-E99999999 Lawn-Boy F1007270 1983 B00000001-B99999999 Lawn-Boy F1007270AE 1983 B00000001-B99999999 Lawn-Boy F7271 1984 C00000001-C99999999 Lawn-Boy F7271AE 1984 C00000001-C99999999 Lawn-Boy F7350 1985 D00000001-D99999999 Lawn-Boy F7351 1986 E00000001-E99999999 Lawn-Boy F7351 1987 F00000001-F99999999 Lawn-Boy F7351 1988 G00000001-G99999999 Lawn-Boy F7352 1988 G00000001-G99999999 Lawn-Boy F8001 1966 600000001-699999999 Lawn-Boy C438001 1967 700000001-799999999 Lawn-Boy C438002 1967 700000001-799999999 Lawn-Boy C448003 1968 800000001-899999999 Lawn-Boy C458004 1969 900000001-999999999 Lawn-Boy C458005 1970 000000001-099999999 Lawn-Boy C468005 1971 100000001-199999999 Lawn-Boy C468020 1970 000000001-099999999 Lawn-Boy C468020 1971 100000001-199999999 Lawn-Boy D4208021 1972 200000001-299999999 Lawn-Boy D4208025 1984 C00000001-C99999999 Lawn-Boy F8025 1985 D00000001-D99999999 Lawn-Boy F8035 1986 E00000001-E99999999 Lawn-Boy F8035AE 1986 E00000001-E99999999 Lawn-Boy F8070 1980 000000001-099999999 Lawn-Boy F1408071 1980 000000001-099999999 Lawn-Boy F1418071 1981 100000001-199999999 Lawn-Boy F141

Using This Manual - Section 2

Page 16 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number8071 1982 A00000001-A99999999 Lawn-Boy F1418072 1984 C00000001-C99999999 Lawn-Boy F8072 1985 D00000001-D99999999 Lawn-Boy F8073 1986 E00000001-E99999999 Lawn-Boy F8073 1987 F00000001-F99999999 Lawn-Boy F8073 1988 G00000001-G99999999 Lawn-Boy F8073AE 1988 G00000001-G99999999 Lawn-Boy F8074 1988 G00000001-G99999999 Lawn-Boy F8100 1957 700000001-799999999 Lawn-Boy C408110 1986 E00000001-E99999999 Lawn-Boy F8125 1984 C00000001-C99999999 Lawn-Boy F8125 1985 D00000001-D99999999 Lawn-Boy F8125 1986 E00000001-E99999999 Lawn-Boy F8127AE 1988 G00000001-G99999999 Lawn-Boy F8155 1986 E00000001-E99999999 Lawn-Boy F8156 1987 F00000001-F99999999 Lawn-Boy F8157 1986 E00000001-E99999999 Lawn-Boy F8157 1987 F00000001-F99999999 Lawn-Boy F8157 1988 G00000001-G99999999 Lawn-Boy F8157A 1987 F00000001-F99999999 Lawn-Boy F8157A 1988 G00000001-G99999999 Lawn-Boy F8157A1 1989 H00000001-H99999999 Lawn-Boy F8157A1 1990 J00000001-J99999999 Lawn-Boy F8200 1958 800000001-899999999 Lawn-Boy C418210 1959 900000001-999999999 Lawn-Boy C418210 1960 000000001-099999999 Lawn-Boy C418210 1961 100000001-199999999 Lawn-Boy C418210A 1961 100000001-199999999 Lawn-Boy C418220 1962 200000001-299999999 Lawn-Boy C438221 1963 300000001-399999999 Lawn-Boy D4408222 1964 400000001-499999999 Lawn-Boy D4418223 1965 500000001-599999999 Lawn-Boy D4428224 1966 600000001-699999999 Lawn-Boy D4438225 1967 700000001-799999999 Lawn-Boy D4448226 1967 700000001-799999999 Lawn-Boy D4458226 1968 800000001-899999999 Lawn-Boy D4458227 1968 800000001-899999999 Lawn-Boy D4468227E 1968 800000001-899999999 Lawn-Boy D446E8228 1969 900000001-999999999 Lawn-Boy D4478228E 1969 900000001-999999999 Lawn-Boy D477E8229 1970 000000001-099999999 Lawn-Boy D4488229 1971 100000001-199999999 Lawn-Boy D4488229A 1970 000000001-099999999 Lawn-Boy D4488229A 1971 100000001-199999999 Lawn-Boy D4488229A 1972 200000001-299999999 Lawn-Boy D4488229B 1972 200000001-299999999 Lawn-Boy D4488229C 1973 300000001-399999999 Lawn-Boy D448

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model Number8229D 1974 400000001-499999999 Lawn-Boy D4498229DV 1974 400000001-499999999 Lawn-Boy D4498229E 1970 000000001-099999999 Lawn-Boy D449E8229E 1971 100000001-199999999 Lawn-Boy D449E8229EA 1972 200000001-299999999 Lawn-Boy D449E8229F 1975 500000001-599999999 Lawn-Boy D4498229F 1976 600000001-699999999 Lawn-Boy D4498229H 1977 700000001-799999999 Lawn-Boy D4498229H 1978 800000001-899999999 Lawn-Boy D4498229S 1970 000000001-099999999 Lawn-Boy D4488229S 1971 100000001-199999999 Lawn-Boy D4488230 1972 200000001-299999999 Lawn-Boy D6408230E 1972 200000001-299999999 Lawn-Boy D640E8231 1973 300000001-399999999 Lawn-Boy D6408231E 1973 300000001-399999999 Lawn-Boy D640E8232 1974 400000001-499999999 Lawn-Boy D6408232E 1974 400000001-499999999 Lawn-Boy D640E8233 1975 500000001-599999999 Lawn-Boy D6418233 1976 600000001-699999999 Lawn-Boy D6418233AE 1975 500000001-599999999 Lawn-Boy D641E8233E 1976 600000001-699999999 Lawn-Boy D641E8234 1976 600000001-699999999 Lawn-Boy D6408234AE 1976 600000001-699999999 Lawn-Boy D641E8235 1977 700000001-799999999 Lawn-Boy D6418235 1978 800000001-899999999 Lawn-Boy D6418235AE 1977 700000001-799999999 Lawn-Boy D641AE8235AE 1978 800000001-899999999 Lawn-Boy D641AE8237 1978 800000001-899999999 Lawn-Boy F1408237 1979 900000001-999999999 Lawn-Boy F1408237 1980 000000001-099999999 Lawn-Boy F1408237 1981 100000001-199999999 Lawn-Boy F1408237 1982 A00000001-A99999999 Lawn-Boy F1408237 1983 B00000001-B99999999 Lawn-Boy F1408237AE 1978 800000001-899999999 Lawn-Boy F140AE8238AE 1979 900000001-999999999 Lawn-Boy F140AE8238AE 1980 000000001-099999999 Lawn-Boy F140AE8238AE 1981 100000001-199999999 Lawn-Boy F140AE8238AE 1982 A00000001-A99999999 Lawn-Boy F140AE8239AE 1984 C00000001-C99999999 Lawn-Boy F140AE8240 1983 B00000001-B99999999 Lawn-Boy F8240AE 1983 B00000001-B99999999 Lawn-Boy F8241 1984 C00000001-C99999999 Lawn-Boy F8241 1985 D00000001-D99999999 Lawn-Boy F8241 1986 E00000001-E99999999 Lawn-Boy F8241AE 1984 C00000001-C99999999 Lawn-Boy F8241AE 1985 D00000001-D99999999 Lawn-Boy F8243 1986 E00000001-E99999999 Lawn-Boy F

Using This Manual - Section 2

Page 18 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number8243 1987 F00000001-F99999999 Lawn-Boy F8243 1988 G00000001-G99999999 Lawn-Boy F8243AE 1986 E00000001-E99999999 Lawn-Boy F8243AE 1987 F00000001-F99999999 Lawn-Boy F8243AE1 1988 G00000001-G99999999 Lawn-Boy F8243B 1988 G00000001-G99999999 Lawn-Boy F8244 1988 G00000001-G99999999 Lawn-Boy F8250 1973 300000001-399999999 Lawn-Boy D4808250X 1973 300000001-399999999 Lawn-Boy D4808251 1974 400000001-499999999 Lawn-Boy D4808252 1975 500000001-599999999 Lawn-Boy D4818252 1976 600000001-699999999 Lawn-Boy D4818253 1976 600000001-699999999 Lawn-Boy D4818255 1977 700000001-799999999 Lawn-Boy D4818255 1978 800000001-899999999 Lawn-Boy D4818255 1979 900000001-999999999 Lawn-Boy D4818256 1979 900000001-999999999 Lawn-Boy D4818256 1980 000000001-099999999 Lawn-Boy D4818256 1981 100000001-199999999 Lawn-Boy D4818270 1978 800000001-899999999 Lawn-Boy F1408270 1979 900000001-999999999 Lawn-Boy F1408270 1980 000000001-099999999 Lawn-Boy F1408270 1981 100000001-199999999 Lawn-Boy F1408270 1982 A00000001-A99999999 Lawn-Boy F1418270 1983 B00000001-B99999999 Lawn-Boy F1418270 1984 C00000001-C99999999 Lawn-Boy F1418270A 1985 D00000001-D99999999 Lawn-Boy F1418270A 1986 E00000001-E99999999 Lawn-Boy F1418270AE 1978 800000001-899999999 Lawn-Boy F140AE8271AE 1978 800000001-899999999 Lawn-Boy F140AE8271AE 1979 900000001-999999999 Lawn-Boy F140AE8271AE 1980 000000001-099999999 Lawn-Boy F140AE8271AE 1981 100000001-199999999 Lawn-Boy F140AE8271AE 1982 A00000001-A99999999 Lawn-Boy F142AE8272 1983 B00000001-B99999999 Lawn-Boy F8272AE 1983 B00000001-B99999999 Lawn-Boy F8273 1984 C00000001-C99999999 Lawn-Boy F8273 1985 D00000001-D99999999 Lawn-Boy F8273AE 1984 C00000001-C99999999 Lawn-Boy F8273AE 1985 D00000001-D99999999 Lawn-Boy F8290 1983 B00000001-B99999999 Lawn-Boy F8291 1984 C00000001-C99999999 Lawn-Boy F8291 1985 D00000001-D99999999 Lawn-Boy F8310 1978 800000001-899999999 Lawn-Boy F8310 1979 900000001-999999999 Lawn-Boy F2408350 1978 800000001-899999999 Lawn-Boy F2408350 1979 900000001-999999999 Lawn-Boy F240

Using This Manual - Section 2

Page 19 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number8400 1980 000000001-099999999 Lawn-Boy F2418401 1980 000000001-099999999 Lawn-Boy F2418401 1981 100000001-199999999 Lawn-Boy F2418401 1982 A00000001-A99999999 Lawn-Boy F2418401 1983 B00000001-B99999999 Lawn-Boy F2418401 1984 C00000001-C99999999 Lawn-Boy F2418401B 1985 D00000001-D99999999 Lawn-Boy F2418402 1983 B00000001-B99999999 Lawn-Boy F2418403 1984 C00000001-C99999999 Lawn-Boy F2418403 1985 D00000001-D99999999 Lawn-Boy F2418426 1983 B00000001-B99999999 Lawn-Boy F8427 1984 C00000001-C99999999 Lawn-Boy F8427 1985 D00000001-D99999999 Lawn-Boy F8430 1986 E00000001-E99999999 Lawn-Boy F8431 1986 E00000001-E99999999 Lawn-Boy F8431 1987 F00000001-F99999999 Lawn-Boy F8431 1988 G00000001-G99999999 Lawn-Boy F8440 1987 F00000001-F99999999 Lawn-Boy F8440 1988 G00000001-G99999999 Lawn-Boy F8440 1989 H00000001-H99999999 Lawn-Boy F8440 1990 J00000001-J99999999 Lawn-Boy F8440AE 1987 F00000001-F99999999 Lawn-Boy F8440AE 1988 G00000001-G99999999 Lawn-Boy F8440AE 1989 H00000001-H99999999 Lawn-Boy F8440AE 1990 J00000001-J99999999 Lawn-Boy F8453 1985 D00000001-D99999999 Lawn-Boy F8455 1987 F00000001-F99999999 Lawn-Boy F8461 1986 E00000001-E99999999 Lawn-Boy F8461 1987 F00000001-F99999999 Lawn-Boy F8461 1988 G00000001-G99999999 Lawn-Boy F8471 1987 F00000001-F99999999 Lawn-Boy F8480 1986 E00000001-E99999999 Lawn-Boy F8481 1986 E00000001-E99999999 Lawn-Boy F8481 1987 F00000001-F99999999 Lawn-Boy F8481 1988 G00000001-G99999999 Lawn-Boy F8481AE 1986 E00000001-E99999999 Lawn-Boy F8481AE 1987 F00000001-F99999999 Lawn-Boy F8481AE 1988 G00000001-G99999999 Lawn-Boy F8600 1979 900000001-999999999 Lawn-Boy D4108601 1980 000000001-099999999 Lawn-Boy D4118602 1981 100000001-199999999 Lawn-Boy F3408602 1982 A00000001-A99999999 Lawn-Boy F3408603 1982 A00000001-A99999999 Lawn-Boy F3408604 1983 B00000001-B99999999 Lawn-Boy F8604A 1984 C00000001-C99999999 Lawn-Boy F8604A 1985 D00000001-D99999999 Lawn-Boy F8605 1983 B00000001-B99999999 Lawn-Boy F340

Using This Manual - Section 2

Page 20 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number8605A 1984 C00000001-C99999999 Lawn-Boy F3408650 1979 900000001-999999999 Lawn-Boy F3408651 1980 000000001-099999999 Lawn-Boy F1408651 1981 100000001-199999999 Lawn-Boy F1408651 1982 A00000001-A99999999 Lawn-Boy F1408670 1979 900000001-999999999 Lawn-Boy F1408671 1980 000000001-099999999 Lawn-Boy F1418671 1981 100000001-199999999 Lawn-Boy F1418671 1982 A00000001-A99999999 Lawn-Boy F1418671AE 1980 000000001-099999999 Lawn-Boy F1418671AE 1981 100000001-199999999 Lawn-Boy F142AE8671AE 1982 A00000001-A99999999 Lawn-Boy F142AE8673 1983 B00000001-B99999999 Lawn-Boy F8673AE 1983 B00000001-B99999999 Lawn-Boy F8674 1984 C00000001-C99999999 Lawn-Boy F8861 1988 G00000001-G99999999 Lawn-Boy F9200 1958 800000001-899999999 Lawn-Boy C509210 1959 900000001-999999999 Lawn-Boy C509210 1960 000000001-099999999 Lawn-Boy C509210 1961 100000001-199999999 Lawn-Boy C509211 1962 200000001-299999999 Lawn-Boy D4509212 1963 300000001-399999999 Lawn-Boy D4509212A 1964 400000001-499999999 Lawn-Boy D4519213 1965 500000001-599999999 Lawn-Boy D4529266 1974 400000001-499999999 Briggs & Stratton 1309029266 1975 500000001-599999999 Briggs & Stratton 1309029266 1976 600000001-699999999 Briggs & Stratton 1309029300 1967 700000001-799999999 Briggs & Stratton 146702-06529300 1968 800000001-899999999 Briggs & Stratton 146702-06529301 1969 900000001-999999999 Briggs & Stratton 146702-06529302 1970 000000001-099999999 Briggs & Stratton 146702-06529302 1971 100000001-199999999 Briggs & Stratton 146702-06529302E 1969 900000001-999999999 Tecumseh V70-1250469302E 1970 000000001-099999999 Tecumseh V70-1250469302E 1971 100000001-199999999 Tecumseh V70-1250469303 1970 000000001-099999999 Briggs & Stratton 270702-06629303 1971 100000001-199999999 Briggs & Stratton 270702-06629303E 1970 000000001-099999999 Tecumseh V70-1250469303E 1971 100000001-199999999 Tecumseh V70-1250469328 1972 200000001-299999999 Briggs & Stratton 1907029328E 1972 200000001-299999999 Briggs & Stratton 1907079328ES 1972 200000001-299999999 Briggs & Stratton 1917079329 1974 400000001-499999999 Briggs & Stratton 1907029329 1975 500000001-599999999 Briggs & Stratton 1907029329 1976 600000001-699999999 Briggs & Stratton 1907029329E 1974 400000001-499999999 Briggs & Stratton 1907079329E 1975 500000001-599999999 Briggs & Stratton 190707

Using This Manual - Section 2

Page 21 of 23

Model Year Serial Range Engine Manuafacturer Engine Model Number9329E 1976 600000001-699999999 Briggs & Stratton 1907079329ES 1973 300000001-399999999 Briggs & Stratton 1917079329ES 1974 400000001-499999999 Briggs & Stratton 1917079329ES 1975 500000001-599999999 Briggs & Stratton 1917079329ES 1976 600000001-699999999 Briggs & Stratton 1917079368 1972 200000001-299999999 Briggs & Stratton 1907029368E 1972 200000001-299999999 Briggs & Stratton 1907079368ES 1972 200000001-299999999 Briggs & Stratton 1917079369 1974 400000001-499999999 Briggs & Stratton 1907029369 1975 500000001-599999999 Briggs & Stratton 1907029369 1976 600000001-699999999 Briggs & Stratton 1907029369E 1974 400000001-499999999 Briggs & Stratton 1907079369E 1975 500000001-599999999 Briggs & Stratton 1907079369E 1976 600000001-699999999 Briggs & Stratton 1907079369ES 1974 400000001-499999999 Briggs & Stratton 1917079369ES 1975 500000001-599999999 Briggs & Stratton 1917079369ES 1976 600000001-699999999 Briggs & Stratton 1917079500 1971 100000001-199999999 Briggs & Stratton 1309029501 1972 200000001-299999999 Briggs & Stratton 1309029600 1969 900000001-999999999 Briggs & Stratton 146702-06529601 1970 000000001-099999999 Briggs & Stratton 146702-06529601 1971 100000001-199999999 Briggs & Stratton 146702-0652C20CPR 1989 H00000001-H99999999 Lawn-Boy FC20CSR 1989 H00000001-H99999999 Lawn-Boy FC21CPN 1989 H00000001-H99999999 Lawn-Boy FC21CPN 1990 J00000001-J99999999 Lawn-Boy FC21CPNA 1990 J00000001-J99999999 Lawn-Boy FC21CSN 1989 H00000001-H99999999 Lawn-Boy FC21ZPN 1991 K00000001-K99999999 Lawn-Boy FC21ZSN 1991 K00000001-K99999999 Lawn-Boy FCS19ZPN 1990 J00000001-J99999999 Lawn-Boy FCS19ZPNA 1991 K00000001-K99999999 Lawn-Boy FEL20ZPR 1991 K00000001-K99999999 Lawn-Boy FES19ZPN 1991 K00000001-K99999999 Lawn-Boy FES20ESR 1991 K00000001-K99999999 Lawn-Boy FES20ZSR 1991 K00000001-K99999999 Lawn-Boy FET-1 1960 000000001-099999999 Lawn-Boy C71H21CPN 1989 H00000001-H99999999 Lawn-Boy FL20ZPN 1989 H00000001-H99999999 Lawn-Boy FL20ZPR 1989 H00000001-H99999999 Lawn-Boy FL20ZPRA 1989 H00000001-H99999999 Lawn-Boy FL20ZPRB 1990 J00000001-J99999999 Lawn-Boy FL21ZPN 1989 H00000001-H99999999 Lawn-Boy FL21ZPNA 1989 H00000001-H99999999 Lawn-Boy FL21ZPNB 1990 J00000001-J99999999 Lawn-Boy FL21ZPNC 1991 K00000001-K99999999 Lawn-Boy FL21ZSN 1989 H00000001-H99999999 Lawn-Boy F

Using This Manual - Section 2

Page 22 of 23

Model Year Serial Range Engine Manuafacturer Engine Model NumberL21ZSNA 1989 H00000001-H99999999 Lawn-Boy FL21ZSNB 1990 J00000001-J99999999 Lawn-Boy FL21ZSNC 1991 K00000001-K99999999 Lawn-Boy FLPT 1960 000000001-099999999 Clinton B1290LPT 1961 100000001-199999999 Clinton B1290LVT-1 1960 000000001-099999999 Lawn-Boy C80LVT-1 1961 100000001-199999999 Lawn-Boy C80M70BC 1961 100000001-199999999 Briggs & Stratton 706018R7070 1980 000000001-099999999 Lawn-Boy F100R7070 1981 100000001-199999999 Lawn-Boy F100R7268 1978 800000001-899999999 Lawn-Boy F100R7268 1979 900000001-999999999 Lawn-Boy F100R7268 1980 000000001-099999999 Lawn-Boy F100R7268 1981 100000001-199999999 Lawn-Boy F100R7268 1982 A00000001-A99999999 Lawn-Boy F100R7268 1984 C00000001-C99999999 Lawn-Boy F100R7268 1985 D00000001-D99999999 Lawn-Boy F100R7270 1983 300000001-399999999 Lawn-Boy F100R7270AE 1983 B00000001-B99999999 Lawn-Boy F100R7271 1984 C00000001-C99999999 Lawn-Boy F100R7271AE 1984 C00000001-C99999999 Lawn-Boy F100R8035 1986 E00000001-E99999999 Lawn-Boy FR8035AE 1986 E00000001-E99999999 Lawn-Boy FR8035B 1986 E00000001-E99999999 Lawn-Boy FR8237 1978 800000001-899999999 Lawn-Boy F140R8237 1979 900000001-999999999 Lawn-Boy F140R8237 1980 000000001-099999999 Lawn-Boy F140R8237 1981 100000001-199999999 Lawn-Boy F141R8237 1982 A00000001-A99999999 Lawn-Boy F141R8237AE 1978 800000001-899999999 Lawn-Boy F140AER8238AE 1979 900000001-999999999 Lawn-Boy F140AER8238AE 1980 000000001-099999999 Lawn-Boy F140AER8238AE 1981 100000001-199999999 Lawn-Boy F140AER8238AE 1982 A00000001-A99999999 Lawn-Boy F140AER8238AE 1983 B00000001-B99999999 Lawn-Boy F140AER8238AE 1984 C00000001-C99999999 Lawn-Boy F140AER8240 1983 B00000001-B99999999 Lawn-Boy F140R8240AE 1983 B00000001-B99999999 Lawn-Boy F140AER8241 1984 C00000001-C99999999 Lawn-Boy F140R8241AE 1984 400000001-499999999 Lawn-Boy FR8242AE 1986 E00000001-E99999999 Lawn-Boy FS19ZPN 1989 H00000001-H99999999 Lawn-Boy FS19ZPNA 1990 J00000001-J99999999 Lawn-Boy FS19ZPNB 1991 K00000001-K99999999 Lawn-Boy FS20BSR 1989 H00000001-H99999999 Lawn-Boy FS20ESR 1989 H00000001-H99999999 Lawn-Boy FS20ZPR 1989 H00000001-H99999999 Lawn-Boy F

Using This Manual - Section 2

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Model Year Serial Range Engine Manuafacturer Engine Model NumberS20ZSR 1989 H00000001-H99999999 Lawn-Boy FS21BSN 1989 H00000001-H99999999 Lawn-Boy FS21BSNA 1990 J00000001-J99999999 Lawn-Boy FS21BSR 1991 K00000001-K99999999 Lawn-Boy FS21ESN 1989 H00000001-H99999999 Lawn-Boy FS21ESNA 1990 J00000001-J99999999 Lawn-Boy FS21ESR 1991 K00000001-K99999999 Lawn-Boy FS21ZPM 1991 K00000001-K99999999 Lawn-Boy FS21ZPN 1989 H00000001-H99999999 Lawn-Boy FS21ZPNA 1990 J00000001-J99999999 Lawn-Boy FS21ZPNB 1990 J00000001-J99999999 Lawn-Boy FS21ZPR 1991 K00000001-K99999999 Lawn-Boy FS21ZSM 1989 H00000001-H99999999 Lawn-Boy FS21ZSM 1991 K00000001-K99999999 Lawn-Boy FS21ZSN 1989 H00000001-H99999999 Lawn-Boy FS21ZSNA 1990 J00000001-J99999999 Lawn-Boy FS21ZSR 1991 K00000001-K99999999 Lawn-Boy FSB-12 1959 900000001-999999999 Lawn-Boy C12AASB-13 1960 000000001-099999999 Lawn-Boy C12AASB-13 1961 100000001-199999999 Lawn-Boy C12AASSI 1981 100000001-199999999 Piston Powered Products (Ryobi)SSIA 1984 400000001-499999999 Piston Powered Products (Ryobi)SSIB 1985 500000001-599999999 Piston Powered Products (Ryobi)SSIB 1986 600000001-699999999 Piston Powered Products (Ryobi)SSII 1981 100000001-199999999 Piston Powered Products (Ryobi)SSIIA 1984 400000001-499999999 Piston Powered Products (Ryobi)SSIIB 1985 500000001-599999999 Piston Powered Products (Ryobi)SSIIB 1986 600000001-699999999 Piston Powered Products (Ryobi)