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YAMAHA YZ250F(Y) Owner's Service Manual Page 34

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Part to be tightened
Clutch boss
Clutch cable locknut
Clutch cable adjust bolt and locknut
Push lever shaft
Drive sprocket
Drive axle oil seal stopper
Segment
Shift guide
Stopper lever
Shift pedal
CHASSIS
△ - marked portion shall be checked for torque tightening after break-in or before each race.
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 damper assembly
Front fork and adjuster
Damper assembly and base valve
Adjuster and damper assembly
Front fork bleed screw and base valve
Front fork and front fork protector
Lower bracket and brake hose guide
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
Clutch lever holder
Clutch lever mounting nut
Clutch lever position lock nut
Hot starter 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
TIGHTENING TORQUES
Thread size
Q'ty
M16 × 1.0
M8 × 1.25
M6 × 0.75
M6 × 1.0
M18 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
Thread size
Q'ty
M8 × 1.25
M8 × 1.25
M24 × 1.0
M8 × 1.25
M10 × 1.25
M28 × 1.0
M51 × 1.5
M22 × 1.25
M42 × 1.5
M12 × 1.25
M5 × 0.8
M6 × 1.0
M6 × 1.0
M6 × 1.0
M5 × 0.8
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M5 × 0.8
M5 × 0.8
M4 × 0.7
M10 × 1.25
M8 × 1.25
M10 × 1.0
M10 × 1.0
M10 × 1.0
2-12
Tightening torque
Nm
m•kg
1
60
6.0
1
7
0.7
1
4
0.4
1
10
1.0
1
75
7.5
2
10
1.0
1
30
3.0
2
10
1.0
1
10
1.0
1
12
1.2
Tightening torque
Nm
m•kg
4
21
2.1
4
21
2.1
1
145
14.5
4
28
2.8
2
34
3.4
1
Refer to TIP.
2
30
3.0
2
55
5.5
2
29
2.9
2
29
2.9
2
1
0.1
6
5
0.5
1
4
0.4
2
8
0.8
2
4
0.4
2
9
0.9
1
6
0.6
1
6
0.6
1
5
0.5
2
5
0.5
1
4
0.4
1
5
0.5
2
4
0.4
2
2
0.2
2
30
3.0
2
28
2.8
2
3
0.3
1
18
1.8
1
18
1.8
ft•lb
43
5.1
2.9
7.2
54
7.2
22
7.2
7.2
8.7
ft•lb
15
15
105
20
25
22
40
21
21
0.7
3.6
2.9
5.8
2.9
6.5
4.3
4.3
3.6
3.6
2.9
3.6
2.9
1.4
22
20
2.2
13
13

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This manual also for:

Yz250f 2009, Yz250fy 2009

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  • Dave May 30, 2016 02:21:
    Really good really good really goodj