4-8
SPEC
TIGHTENING TORQUES
TIGHTENING TORQUES
Item
Thread size
Tightening torque
Nm (m·kgf, ft·lbf)
Air filter cover screw
—
1.6 (0.16, 1.2)
Air filter case bolt
M6 × 1.0
10 (1.0, 7.2)
Air filter case nut
M6 × 1.0
9 (0.9, 6.5)
Fuel tank bolt
M6 × 1.0
10 (1.0, 7.2)
Fuel tank stay bolt
M8 × 1.25
29 (2.9, 21)
Fuel cock
M10 × 1.25
6 (0.6, 4.3)
Fuel cock screw
—
0.8 (0.08, 0.6)
Strainer cup
—
1.3 (0.13, 0.94)
Muffler bolt
M8 × 1.25
20 (2.0, 14)
Muffler nut
M8 × 1.25
20 (2.0, 14)
Muffler cover bolt
M6 × 1.0
10 (1.0, 7.2)
Spark arrester screw
—
1.8 (0.18, 1.3)
Recoil starter bolt
M6 × 1.0
7 (0.7, 5.1)
Drive plate screw
M6 × 1.0
5.4 (0.54, 3.9)
Flywheel cover bolt
M6 × 1.0
7 (0.7, 5.1)
TCI unit bolt
M6 × 1.0
10 (1.0, 7.2)
Flywheel nut
M18 × 1.5
120 (12, 87)
Charging coil bolt
M6 × 1.0
7 (0.7, 5.1)
Charging coil clamp bolt
M6 × 1.0
7 (0.7, 5.1)
Governor arm bolt
M6 × 1.0
8 (0.8, 5.8)
Throttle lever assembly bolt
M6 × 1.0
7 (0.7, 5.1)
Throttle lever assembly plate
screw
M5 × 0.8
1.1 (0.11, 0.80)
Throttle lever assembly wire
bolt
M4 × 0.7
1.1 (0.11, 0.80)
Adjusting plate assembly bolt
M6 × 1.0
7 (0.7, 5.1)
Adjusting plate assembly bolt
M8 × 1.25
16 (1.6, 12)
Oil warning unit screw
M6 × 1.0
4.5 (0.45, 3.3)
Oil warning light nut
M10 × 1.0
0.7 (0.07, 0.5)
Engine switch screw
M6 × 1.0
4.5 (0.45, 3.3)
Spark plug
M14 × 1.25
20 (2.0, 14)
Cylinder head cover bolt
M6 × 1.0
11 (1.1, 8.0)
Valve adjuster locknut
M5 × 0.5
7 (0.7, 5.1)
Rocker arm shaft screw
M5 × 0.8
2.3 (0.23, 1.7)
Cylinder head bolt
M10 × 1.25
1st: 12 (1.2, 8.7)
2nd: 50 (5.0, 36)
Exhaust stud bolt
M8 × 1.25
11 (1.1, 8.0)
Crankcase cover bolt
M8 × 1.25
1st: 12 (1.2, 8.7)
2nd: 30 (3.0, 22)
Oil level switch bolt
M6 × 1.0
10 (1.0, 7.2)