TIGHTENING TORQUES
2-8
EAM30203
ENGINE TIGHTENING TORQUES
TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
Item
Thread
size
Q’ty
Tightening torques
Remarks
Spark plug
M14S
1
20 N·m (2.0 kgf·m, 15 lb·ft)
Cylinder head nut
M8
6
25 N·m (2.5 kgf·m, 18 lb·ft)
Cylinder head stud bolt
M8
6
13 N·m (1.3 kgf·m, 9.6 lb·ft)
Cylinder nut
M10
4
42 N·m (4.2 kgf·m, 31 lb·ft)
Cylinder stud bolt
M10
4
13 N·m (1.3 kgf·m, 9.6 lb·ft)
Power valve holder 2
M5
2
6 N·m (0.6 kgf·m, 4.4 lb·ft)
Link rod screw
M5
2
6 N·m (0.6 kgf·m, 4.4 lb·ft)
Push rod bolt
M5
1
4.5 N·m (0.45 kgf·m, 3.3 lb·ft)
Thrust plate screw
M5
1
6 N·m (0.6 kgf·m, 4.4 lb·ft)
Side holder screw
M5
4
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Power valve link lever bolt
M4
1
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Pulley bolt
M4
2
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Power valve cover screw
M5
4
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Governor fork screw
M4
2
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Power valve housing bolt
M5
4
4.5 N·m (0.45 kgf·m, 3.3 lb·ft)
Impeller
M8
1
14 N·m (1.4 kgf·m, 10 lb·ft)
Water pump housing cover bolt
M6
4
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Coolant drain bolt
M6
1
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator bolt
M6
4
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator guard bolt
M6
2
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator hose clamp
M6
8
1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
Air filter element
M6
1
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
Carburetor joint bolt
M6
5
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Air filter case bolt
M6
2
8 N·m (0.8 kgf·m, 5.9 lb·ft)
Air filter guide clamp
M5
1
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
Reed valve screw
M3
4
1.0 N·m (0.10 kgf·m, 0.73 lb·ft)
Locknut (throttle cable handlebar
side)
M8
1
7 N·m (0.7 kgf·m, 5.2 lb·ft)
Locknut (throttle cable carburetor
side)
M6
1
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Exhaust pipe bolt (front)
M6
1
14 N·m (1.4 kgf·m, 10 lb·ft)
Exhaust pipe bolt (rear)
M6
1
12 N·m (1.2 kgf·m, 8.9 lb·ft)
Exhaust pipe stay bolt (front)
M8
1
25 N·m (2.5 kgf·m, 18 lb·ft)
Exhaust pipe stay bolt (rear)
M6
1
12 N·m (1.2 kgf·m, 8.9 lb·ft)
LT
Содержание YZ250 2021
Страница 5: ...EAM20162 YAMAHA MOTOR CORPORATION U S A YZ MOTORCYCLE LIMITED WARRANTY ...
Страница 6: ......
Страница 8: ......
Страница 10: ...MOTORCYCLE CARE AND STORAGE 1 16 CARE 1 16 STORAGE 1 17 ...
Страница 42: ...TIGHTENING TORQUES 2 13 ...
Страница 70: ...CHASSIS 3 26 ...
Страница 106: ...CHAIN DRIVE 4 34 ...
Страница 112: ...CLUTCH 5 5 ...
Страница 113: ...1 2 3 4 5 6 7 8 9 10 ELECTRICAL SYSTEM WIRING DIAGRAM 6 1 COLOR CODE 6 1 ...
Страница 128: ...TROUBLESHOOTING 7 13 ...
Страница 146: ...CHASSIS 8 17 ...