GCV135/GCV160 © Honda Motor Co., Ltd. Power Product Service Division. Spark plug gap 0.7–0.8mm(0.028–0.031 in) LIQUID GASKET VALVE CLEARANCE IGNITION COIL AIR GAP PISTON ASSEMBLY CARBURETOR DISASSEMBLY/REASSEMBLY CARBURETOR REMOVAL/INSTALLATION ENGINE OIL AIR CLEANER SPARK PLUG 52N‧m (5.3kgf‧m,38lbf‧ft) 12N‧m (1.2kgf‧m,9lbf‧ft) 12N‧m (1.2kgf‧m,9lbf‧ft) GOVERNOR PISTON DISASSEMBLY/REASSEMBLY Liquid gasket European model, with fly- wheel brake Maximum speed (no load) 3,100±150min -1 (rpm) Except for European model, with flywheel brake Except for European model, without flywheel brake 3,000 min -1 (rpm) +0 -100 Standard valve clearance 0.15±0.04mm (0.006±0.002 in) To increase valve clearance, screw out. To decrease valve clearance, screw in. VALVE STEM VALVE ADJUSTING LOCK NUT VALVE ADJUSTING SCREW 0.20±0.04mm (0.008±0.002 in) IN EX • Install with the maker mark facing upward as shown. • Stagger the piston ring end gaps 120° apart. Do not align with the piston pin. OIL DIPPER PROJECTIONS WIRE BRUSH Wipe dirt from the inside of the air cleaner cover and air cleaner case, using a moist rag. Be careful to prevent dirt from entering the air duct that leads to the carburetor. 0.55 ℓ (0.58 US qt, 0.48 lmp qt) Engine oil capacity –5℃– 40℃ (23°F ‒ 104°F) Recommended operating ambient temperature AMBIENT TEMPERATURE 10W 20W 20W.40.20W.50 15W.40.15W.50 10W.40 10W.30 -30 -20 -10 0 10 20 30 40℃ -20 0 20 40 60 80 100℉ Multi Viscosity Single Viscosity 20 30 40 Apply the stick [ø1.5 – 2.0mm(ø0.06 – 0.08 in)] of the liquid packing (Three Bond 1207 or equivalent) to the cylinder barrel; specifically, to the mating surface with the oil pan. LIQUID PACKING APPLICATION AREA CYLINDER BARREL IGNITION COIL 0.2 – 0.6 mm (0.008 – 0.024 in) 0.2 – 0.6 mm (0.008 – 0.024 in) 0.2 – 0.6mm (0.008 – 0.024 in) Specified clearance