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Part to be tightened
Silencer
Silencer clamp
Spark arrester (for USA)
Silencer end pipe (for USA)
Crankcase
Crankcase bearing stopper
Crankcase bearing stopper (crankshaft)
Left crankcase cover
Idle gear cover (starter motor)
Idle gear plate
Right crankcase cover
Clutch cover
Crankcase oil drain bolt
Drive chain sprocket cover
Kick shaft ratchet wheel guide
Kickstarter crank
Starter clutch
Primary drive gear
Clutch spring
Clutch boss
Push lever shaft
Drive sprocket
Drive axle oil seal stopper
Segment
Shift guide
Stopper lever
Shift pedal
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race.
MAINTENANCE SPECIFICATIONS
Thread size
M8 × 1.25
M8 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M10 × 1.25
M6 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
M18 × 1.0
M6 × 1.0
M16 × 1.0
M6 × 1.0
M18 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
2 - 11
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SPEC
Tightening torque
Q'ty
Nm
m·kg
2
35
3.5
1
19
1.9
3
10
1.0
1
10
1.0
11
12
1.2
11
10
1.0
4
10
1.0
8
10
1.0
3
10
1.0
2
10
1.0
8
10
1.0
7
10
1.0
1
20
2.0
2
8
0.8
2
12
1.2
1
33
3.3
6
16
1.6
1
75
7.5
5
8
0.8
1
60
6.0
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
ft·lb
25
13
7.2
7.2
8.7
7.2
7.2
7.2
7.2
7.2
7.2
7.2
14
5.8
8.7
24
11
54
5.8
43
7.2
54
7.2
22
7.2
7.2
8.7
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