Yamaha YZ250F(N)/LC Owner's Service Manual page 87

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Part to be tightened
Upper bracket and outer tube
Lower bracket and outer tube
Upper bracket and steering stem
Handlebar holder and upper bracket
Steering stem and steering ring nut
Front fork and front fork cap bolt
Front fork and base valve
Front fork cap bolt and damper rod
Front fork bleed screw and front fork cap bolt
Front fork and front fork protector
Front fork and brake hose guide
Front fork and brake hose holder
Front fork and brake hose cover (M8)
Throttle grip cap
Front brake master cylinder
Brake lever mounting bolt
Brake lever mounting nut
Brake lever position locknut
Clutch lever holder
Clutch lever mounting bolt
Decompression lever holder
Front brake master cylinder cap
Front brake hose union bolt
Front brake caliper
Pad pin plug
Front brake caliper and pad pin
Rear brake caliper and pad pin
Brake caliper and bleed screw
Front wheel axle and axle nut
Front wheel axle holder
Front brake disc
Rear brake disc
Brake pedal
Rear brake master cylinder
Rear brake reservoir tank
Rear brake reservoir tank cap
Rear brake hose union bolt
Rear wheel axle and axle nut
NOTE:
1. First, tighten the steering nut approximately 38 Nm (3.8 m • kg, 27 ft • lb) by using the steering
nut wrench, then loosen the steering nut one turn.
2. Retighten the steering nut 7 Nm (0.7 m • kg, 5.1 ft • lb).
MAINTENANCE SPECIFICATIONS
Thread size
M8
M8
M24
M8
M28
M48
M30
M12
M5
M6
M5
M6
M8
(M6)
M6
M5
M6
M6
M6
M6
M5
M6
M5
M4
M10
M8
M10
M10
M10
M8
M16
M8
M6
M6
M8
M6
M6
M4
M10
M20
2 - 14
Q'ty
Nm
1.25
4
23
1.25
4
20
1.0
1
145
1.25
4
28
1.0
1
1.0
2
30
1.0
2
55
1.25
2
29
0.8
2
1
1.0
6
10
0.8
1
4
1.0
2
10
1.25
1
16
1.0
1
7
0.8
2
4
1.0
2
9
1.0
1
6
1.0
1
6
1.0
1
5
0.8
2
4
1.0
1
2
0.8
2
4
0.7
2
2
1.25
2
30
1.25
2
23
1.0
2
3
1.0
1
18
1.0
1
18
1.25
2
6
1.5
1
105
1.25
4
23
1.0
6
12
1.0
6
14
1.25
1
26
1.0
2
10
1.0
1
10
0.7
2
2
1.25
2
30
1.5
1
125
SPEC
Tightening torque
m·kg
ft·lb
2.3
17
2.0
14
14.5
105
2.8
20
Refer to NOTE.
3.0
22
5.5
40
2.9
21
0.1
0.7
1.0
7.2
0.4
2.2
1.0
7.2
1.6
11
0.7
5.1
0.4
2.2
0.9
6.5
0.6
4.3
0.6
4.3
0.5
3.6
0.4
2.2
0.2
1.4
0.4
2.2
0.2
1.4
3.0
22
2.3
17
0.3
2.2
1.8
13
1.8
13
0.6
4.3
10.5
75
2.3
17
1.2
8.7
1.4
10
2.6
19
1.0
7.2
1.0
7.2
0.2
1.4
3.0
2.2
12.5
90

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