Yamaha 2011 YZ250, Owner'S Manual

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2-9
TIGHTENING TORQUES
Drive chain sprocket cover M6 2 5 Nm (0.5 m•kg, 3.6 ft•lb)
Right crankcase cover M6 9 10 Nm (1.0 m•kg, 7.2 ft•lb)
Bearing plate cover (drive axle left) M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Bearing plate cover (main axle right) M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Holder M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Oil tank drain bolt M12 1 23 Nm (2.3 m•kg, 17 ft•lb)
Aluminum
washer
Oil check bolt M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Copper
washer
Neutral switch lead holder M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Kickstarter lever M8 1 30 Nm (3.0 m•kg, 22 ft•lb)
Ratchet wheel stopper M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Clutch cover M6 6 10 Nm (1.0 m•kg, 7.2 ft•lb)
Primary drive gear M10 1 55 Nm (5.5 m•kg, 40 ft•lb)
Clutch boss M20 1 75 Nm (7.5 m•kg, 54 ft•lb) Lock washer
Clutch spring M6 6 10 Nm (1.0 m•kg, 7.2 ft•lb)
Clutch cable adjust bolt and locknut M6 1 4 Nm (0.4 m•kg, 2.9 ft•lb)
Push lever axle M5 1 6 Nm (0.6 m•kg, 4.3 ft•lb)
Drive sprocket M20 1 75 Nm (7.5 m•kg, 54 ft•lb) Lock washer
Shift guide M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Stopper lever M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Torsion spring (shift shaft) stopper bolt M8 1 22 Nm (2.2 m•kg, 16 ft•lb)
Segment M8 1 30 Nm (3.0 m•kg, 22 ft•lb)
Bearing plate cover (shift cam right) M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Shift pedal M6 1 12 Nm (1.2 m•kg, 8.7 ft•lb)
Item
Thread
size
Q'ty Tightening torque Remarks