Yamaha WR250F Fahrer- Und Wartungshandbuch Seite 104

Part to be tightened
Hot starter cable adjust bolt and locknut
Air filter case
Air filter joint and air filter case
Exhaust pipe
Exhaust pipe protector
Silencer
Silencer clamp
Spark arrester
Silencer cap
Air induction pipe
Air induction pipe clamp
Air cut-off valve assembly and bracket
Bracket (air cut-off valve) and frame
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
Primary drive gear
Clutch spring
Clutch boss
Clutch cable locknut
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.
MAINTENANCE SPECIFICATIONS
Thread size
M6 × 0.75
M6 × 1.0
M5 × 0.8
M8 × 1.25
M6 × 1.0
M8 × 1.25
M8 × 1.25
M5 × 0.8
M5 × 0.8
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
M6 × 1.0
M6 × 1.0
M10 × 1.25
M6 × 1.0
M6 × 1.0
M8 × 1.25
M18 × 1.0
M6 × 1.0
M16 × 1.0
M8 × 1.25
M6 × 1.0
M18 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
2 - 11
SPEC
Tightening torque
Q'ty
Nm m·kg
1 4 0.4
2 8 0.8
1 4 0.4
2 20 2.0
3 10 1.0
2 30 3.0
1 16 1.6
4 7 0.7
6 5 0.5
1 10 1.0
1 4 0.4
2 10 1.0
2 7 0.7
11 12 1.2
11 10 1.0
4 10 1.0
8 10 1.0
3 10 1.0
2 10 1.0
6 10 1.0
7 10 1.0
1 20 2.0
2 8 0.8
2 12 1.2
1 33 3.3
1 75 7.5
5 10 1.0
1 60 6.0
2 7 0.7
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
2.9
5.8
2.9
14
7.2
22
11
5.1
3.6
7.2
2.9
7.2
5.1
8.7
7.2
7.2
7.2
7.2
7.2
7.2
7.2
14
5.8
8.7
24
54
7.2
43
5.1
7.2
54
7.2
22
7.2
7.2
8.7