Yamaha 2011 YZ250F Owner's Service Manual page 37

Part to be tightened
Oil filter element drain bolt
Oil filter element cover
Oil strainer (crankcase)
Oil delivery pipe 1 (M10)
Oil delivery pipe 1 (M8)
Oil hose
△
Oil hose clamp
Oil strainer (oil tank)
Oil tank drain bolt
Oil tank (upper)
Oil tank and frame
Carburetor joint clamp
Air filter joint clamp
Throttle cable adjust bolt and locknut
Throttle cable (pull)
Throttle cable (return)
Throttle cable cover
Hot starter plunger
Hot starter cable adjust bolt and locknut
Air filter case
△
Air filter joint and air filter case
Air filter element
Exhaust pipe
Exhaust pipe protector
△
Silencer
△
Silencer clamp
Crankcase
Crankcase bearing stopper
Crankcase bearing stopper (crankshaft)
Left crankcase cover
Right crankcase cover
Clutch cover
Crankcase oil drain bolt
Crankshaft end accessing screw
△
Timing mark accessing screw
△
Drive chain sprocket cover
△
Kick shaft ratchet wheel guide
Kickstarter crank
Primary drive gear
Clutch spring
Clutch boss
Clutch cable locknut
Clutch cable adjust bolt and locknut
Push lever shaft
TIGHTENING TORQUES
Thread size Q'ty
M6 × 1.0
M6 × 1.0
M6 × 1.0
M10 × 1.25
M8 × 1.25
M6 × 1.0
—
M6 × 1.0
M8 × 1.25
M6 × 1.0
M6 × 1.0
M5 × 0.8
M6 × 1.0
M6 × 0.75
M6 × 1.0
M12 × 1.0
M5 × 0.8
M12 × 1.0
M6 × 0.75
M6 × 1.0
M5 × 0.8
M6 × 1.0
M8 × 1.25
M6 × 1.0
M8 × 1.25
M8 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M10 × 1.25
M32 × 1.5
M14 × 1.5
M6 × 1.0
M6 × 1.0
M8 × 1.25
M18 × 1.0
M6 × 1.0
M16 × 1.0
M8 × 1.25
M6 × 0.75
M6 × 1.0
2-11
Tightening torque
Nm m•kg
1 10 1.0
2 10 1.0
2 10 1.0
1 20 2.0
2 18 1.8
2 8 0.8
1 2 0.2
1 9 0.9
1 18 1.8
1 4 0.4
3 9 0.9
1 3 0.3
1 3 0.3
1 4 0.4
1 4 0.4
1 11 1.1
2 4 0.4
1 2 0.2
1 4 0.4
2 8 0.8
1 4 0.4
1 2 0.2
2 20 2.0
3 10 1.0
2 30 3.0
1 14 1.4
11 12 1.2
11 10 1.0
4 14 1.4
8 10 1.0
8 10 1.0
7 10 1.0
1 20 2.0
1 — —
1 — —
2 7 0.7
2 12 1.2
1 33 3.3
1 75 7.5
5 10 1.0
1 75 7.5
1 7 0.7
1 4 0.4
1 10 1.0
ft•lb
7.2
7.2
7.2
14
13
5.8
1.4
6.5
13
2.9
6.5
2.2
2.2
2.9
2.9
8.0
2.9
1.4
2.9
5.8
2.9
1.4
14
7.2
22
10
8.7
7.2
10
7.2
7.2
7.2
14
—
—
5.1
8.7
24
54
7.2
54
5.1
2.9
7.2