Chassis Tightening Torques - Yamaha YJ125S Service Manual

CHASSIS TIGHTENING TORQUES

Part to be tightened
Frame and engine bracket 2
Engine bracket 2 and engine bracket 3
Engine bracket, engine and centerstand
Rear shock absorber and frame
Rear shock absorber and engine
Rear arm
Sidestand (bolt)
Sidestand (nut)
Steering shaft(upper nut)
Handlebar holder bracket and steering shaft
Handlebar holder and handlebar lower holder
Handlebar lower holder and handlebar upper holder
Master cylinder assembly
Brake hose and master cylinder
Fuel sender
Rear carrier
Rear carrier(upper)
Front wheel shaft
Rear wheel shaft
Rear brake camshaft lever
Front brake caliper pad(bolt)
Front brake caliper and front fork
Front brake disc rotor
Front brake hose and brake caliper
Front brake caliper and bleed screw
NOTE:
1. First, tighten the ring nut (lower) approximately 28 Nm (2.8m•kg, 20.3ft•lb) by using the torque
wrench, then loosen the ring nut 1/4 turn.
2. Second, tighten the ring nut (lower) approximately 9 Nm (0.9m•kg, 6.5ft•lb) by using the torque
wrench.
3. Installing the rubber washer.
4. Then finger tighten the center ring nut and touch rubber washer. Align the slots both ring nut and
install the lock washer.
5. Final, hold the ring nuts (lower and center) and tighten the ring nut (upper) 75Nm (7.5 m•kg,
54.2ft•lb) by using the torque wrench.
5
4
3
2
1
TIGHTENING TORQUES
Thread
size
Nm
M10 42
M10 55
M10 32
M10 30
M8 18
M8 28
M8
M8 19
M25 75
M10 60
M10 47.5
M8 30
M6
M10 26
M5
M8 23
M6 10
M12 70
M14 105
M6 10
M10 22
M10 35
M8 20
M10 23
M7
1 Lower ring nut
2 Rubber washer
3 Center ring nut
4 Lock washer
5 Upper ring nut
2-21
SPEC
Tightening
torque
m•kgf ft•lb
4.2 30.4
5.5 39.8
3.2 23.1
3.0 21.7
1.8 13.0
2.8 20.3
1 0.1 0.7
1.9 13.7
See"NOTE"
7.5 54.2
6.0 43.4
4.75 34.4
3.0 21.7
9 0.9 6.5
18.8
2.6
7 0.7 5.1
2.3 16.6
1.0 7.2
7.0 50.6
10.5 75.9
1.0 7.2
2.2 15.9
3.5 25.3
2.0 14.5
2.3 16.6
6 0.6 4.3
Remarks
LT