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SPECIFICATIONS
TIGHTENING TORQUES
TIGHTENING TORQUES
Item Thread size Tightening torque
Spark plug M14S 1.25 20 N·m (2.0 kgf·m, 15 lb·ft)
Spark arrester screw — 3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
Oil filter — 14 N·m (1.4 kgf·m, 10 lb·ft)
Oil drain bolt M12 1.5 27 N·m (2.7 kgf·m, 20 lb·ft)
Air filter case stay bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Air filter case stay bolt M8 1.25 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Joint 2 clamp bolt — 1.8 N·m (0.18 kgf·m, 1.3 lb·ft)
Rectifier/regulator bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Engine hunger bolt M8 1.25 20 N·m (2.0 kgf·m, 15 lb·ft)
Engine hunger bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
TCI unit bolt M6 1.0 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Muffler nut — 20 N·m (2.0 kgf·m, 15 lb·ft)
Adapter union bolt M20 1.5 62 N·m (6.2 kgf·m, 46 lb·ft)
Oil cooler bolt M6 1.0 9 N·m (0.9 kgf·m, 6.6 lb·ft)
Fan bolt M6 1.0 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Fan case bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Grass screen bolt M6 1.0 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Fan case cover bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Oil filler pipe bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Stator coil assembly bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Flywheel nut M22 1.5 180 N·m (18 kgf·m, 133 lb·ft)
Cylinder air shroud bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Cylinder head cover bolt M6 1.0 11 N·m (1.1 kgf·m, 8.1 lb·ft)
Rocker arm shaft bolt M5 1.0 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Cylinder head bolt M10 1.25
1st: 12 N·m (1.2 kgf·m, 8.9 lb·ft)
2nd: 50 N·m (5.0 kgf·m, 37 lb·ft)
Oil pressure switch M4 0.7 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Oil pump cover bolt M6 1.0 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Relief valve M12 1.25 30 N·m (3.0 kgf·m, 22 lb·ft)
Crankcase cover 2 bolt M8 1.25
1st: 12 N·m (1.2 kgf·m, 8.9 lb·ft)
2nd: 30 N·m (3.0 kgf·m, 22 lb·ft)
Cover 1 bolt M6 1.0 9 N·m (0.9 kgf·m, 6.6 lb·ft)
Cover 2 bolt M6 1.0 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Crankcase cover 1 bolt M8 1.25
1st: 12 N·m (1.2 kgf·m, 8.9 lb·ft)
2nd: 30 N·m (3.0 kgf·m, 22 lb·ft)
Connecting rod cap bolt M8 1.25 20 N·m (2.0 kgf·m, 15 lb·ft)
Reed valve M6 1.0 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Scroll air shroud bolt M6
1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Fuel pump bolt M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Carburetor assembly nut M6 1.0 7 N·m (0.7 kgf·m, 5.2 lb·ft)