Yamaha WR250F Fahrer- Und Wartungshandbuch Seite 107

Part to be tightened
Upper bracket and outer tube
Lower bracket and outer tube
Upper bracket and steering stem
Handlebar upper holder and handlebar lower
holder
Handlebar lower 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 protector and brake hose holder
Throttle grip cap
Front brake master cylinder
Brake lever mounting bolt
Brake lever mounting nut
Brake lever position locknut
Front brake hose guide and front brake hose
guide bracket
Front brake hose guide and lower bracket
Clutch lever holder
Clutch lever mounting nut
Hot starter lever holder
Hot starter lever mounting nut
Front brake master cylinder cap
Front brake hose union bolt
Front brake caliper
Front brake caliper and brake hose holder
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 master cylinder cap
Rear brake hose union bolt
Rear wheel axle and axle nut
NOTE:
1. First, tighten the steering ring nut approximately 38 Nm (3.8 m • kg, 27 ft • lb) by using the steer-
ing nut wrench, then loosen the steering ring nut one turn.
2. Retighten the steering ring nut 7 Nm (0.7 m • kg, 5.1 ft • lb).
MAINTENANCE SPECIFICATIONS
Thread size
M8 × 1.25
M8 × 1.25
M24 × 1.0
M8 × 1.25
M12 × 1.25
M28 × 1.0
M51 × 1.5
M30 × 1.0
M12 × 1.25
M5 × 0.8
M6 × 1.0
M6 × 1.0
M5 × 0.8
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M5 × 0.8
M6 × 1.0
M5 × 0.8
M6 × 1.0
M5 × 0.8
M5 × 0.8
M4 × 0.7
M10 × 1.25
M8 × 1.25
M6 × 1.0
M10 × 1.0
M10 × 1.0
M10 × 1.0
M8 × 1.25
M16 × 1.5
M8 × 1.25
M6 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
M4 × 0.7
M10 × 1.25
M20 × 1.5
2 - 14
SPEC
Tightening torque
Q'ty
Nm m·kg
4 23 2.3
4 20 2.0
1 145 14.5
4 28 2.8
2 40 4.0
1 Refer to NOTE.
2 30 3.0
2 55 5.5
2 29 2.9
2 1 0.1
6 7 0.7
2 7 0.7
2 4 0.4
2 9 0.9
1 6 0.6
1 6 0.6
1 5 0.5
1 4 0.4
1 4 0.4
2 4 0.4
1 4 0.4
2 4 0.4
1 2 0.2
2 2 0.2
2 30 3.0
2 23 2.3
1 10 1.0
2 3 0.3
1 18 1.8
1 18 1.8
2 6 0.6
1 90 9.0
4 23 2.3
6 12 1.2
6 14 1.4
1 26 2.6
2 10 1.0
2 2 0.2
2 30 3.0
1 125 12.5
ft·lb
17
14
105
20
29
22
40
21
0.7
5.1
5.1
2.9
6.5
4.3
4.3
3.6
2.9
2.9
2.9
2.9
2.9
1.4
1.4
22
17
7.2
2.2
13
13
4.3
65
17
8.7
10
19
7.2
1.4
22
90