Yamaha YZ250(W)/W1 Owner's Service Manual page 73

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Part to be tightened
Neutral switch lead holder (Except for USA and CDN) M 6 × 1.0
Kick starter
Ratchet wheel stopper
Clutch cover
Primary drive gear
Clutch boss
Clutch spring
Clutch cable adjust bolt and locknut
Push lever axle
Drive sprocket
Shift guide
Stopper lever
Torsion spring (shift shaft) stopper bolt
Segment
Bearing plate cover (shift cam right)
Shift pedal
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race.
MAINTENANCE SPECIFICATIONS
Thread size
M 8 × 1.25
M 6 × 1.0
M 6 × 1.0
M10 × 1.25
M20 × 1.0
M 6 × 1.0
M 6 × 0.75
M 5 × 0.8
M20 × 1.0
M 6 × 1.0
M 6 × 1.0
M 8 × 1.25
M 8 × 1.25
M 6 × 1.0
M 6 × 1.0
2-6
SPEC
T ightening torque
Q'ty
Nm
m•kg
1
14
1.4
1
30
3.0
2
10
1.0
6
10
1.0
1
55
5.5
1
75
7.5
6
10
1.0
1
4
0.4
1
6
0.6
1
75
7.5
2
10
1.0
1
10
1.0
1
22
2.2
1
30
3.0
2
10
1.0
1
10
1.0
ft•lb
10
22
7.2
7.2
40
54
7.2
2.9
4.3
54
7.2
7.2
16
22
7.2
7.2

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