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TIGHTENING TORQUES
ENGINE
△ - marked portion shall be checked for torque tightening after break-in or before each race.
Item
Spark plug
Cylinder head (nut)
Cylinder head (stud)
Cylinder (nut)
Cylinder (stud)
Power valve:
Holder
Link rod
Push rod
Thrust plate
Side holder
Link lever
Pulley
Cover
Governor fork
Housing
Impeller
Water pump housing cover
Coolant drain bolt
Radiator
Radiator guard
Radiator hose clamp
Air filter element
Carburetor joint
Air filter case
△
Air filter guide clamp
Reed valve
Throttle cable adjust bolt and locknut
Throttle cable
Exhaust pipe (front)
△
Exhaust pipe (rear)
△
Exhaust pipe stay (front)
△
Exhaust pipe stay (rear)
△
Silencer:
Silencer and frame
△
Fiber
Crankcase
Left crankcase cover
Thread
Q'ty
size
M14S
1
M8
6
M8
6
M10
4
M10
4
M5
2
M5
2
M5
1
M5
1
M5
4
M4
1
M4
2
M5
4
M4
2
M5
4
M8
1
M6
4
M6
1
M6
6
M6
2
M6
8
M6
1
M6
5
M6
2
M5
1
M3
4
M8
1
M6
1
M6
1
M6
1
M8
1
M6
1
M6
1
M6
4
M6
11
M6
5
2-8
TIGHTENING TORQUES
Tightening torque
20 Nm (2.0 m•kg, 14 ft•lb)
25 Nm (2.5 m•kg, 18 ft•lb)
13 Nm (1.3 m•kg, 9.4 ft•lb)
42 Nm (4.2 m•kg, 30 ft•lb)
13 Nm (1.3 m•kg, 9.4 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
6 Nm (0.6 m•kg, 4.3 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
14 Nm (1.4 m•kg, 10 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
2 Nm (0.2 m•kg, 1.4 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
8 Nm (0.8 m•kg, 5.8 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
1 Nm (0.1 m•kg, 0.7 ft•lb)
7 Nm (0.7 m•kg, 5.1 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
14 Nm (1.4 m•kg, 10 ft•lb)
12 Nm (1.2 m•kg, 8.7 ft•lb)
25 Nm (2.5 m•kg, 18 ft•lb)
12 Nm (1.2 m•kg, 8.7 ft•lb)
12 Nm (1.2 m•kg, 8.7 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
14 Nm (1.4 m•kg, 10 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
Remarks
Copper
washer
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
YPVS
Copper
washer
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