Yamaha YZ250 2021, Owner'S Manual

Page: 38 / 148

TIGHTENING TORQUES
2-9
Silencer bolt M6 2 12 N·m (1.2 kgf·m, 8.9 lb·ft)
 /
Fiber bolt M6 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Crankcase bolt M6 11 14 N·m (1.4 kgf·m, 10 lb·ft)
Crankcase cover screw (left) M6 5 5 N·m (0.5 kgf·m, 3.7 lb·ft)
Drive sprocket cover screw M6 2 5 N·m (0.5 kgf·m, 3.7 lb·ft)
Crankcase cover screw (right) M6 9 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Bearing plate cover screw (drive axle
left)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Bearing plate cover bolt (main axle
right)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Holder bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Oil drain bolt M12 1 23 N·m (2.3 kgf·m, 17 lb·ft)
Oil check bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Neutral switch lead holder bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Kickstarter lever M8 1 30 N·m (3.0 kgf·m, 22 lb·ft)
Ratchet wheel stopper bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Clutch cover bolt M6 6 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Primary drive gear bolt M10 1 55 N·m (5.5 kgf·m, 41 lb·ft)
Clutch boss nut M20 1 75 N·m (7.5 kgf·m, 55 lb·ft)
Use a
Lock
washer.
Clutch spring bolt M6 6 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Locknut (clutch cable side) M6 1 4.3 N·m (0.43 kgf·m, 3.2 lb·ft)
Push lever shaft bolt M5 1 6 N·m (0.6 kgf·m, 4.4 lb·ft)
Drive sprocket nut M20 1 75 N·m (7.5 kgf·m, 55 lb·ft)
Use a
Lock
washer.
Shift guide bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Stopper lever bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Tension spring (shift shaft) stopper
bolt
M8 1 22 N·m (2.2 kgf·m, 16 lb·ft)
Segment M8 1 30 N·m (3.0 kgf·m, 22 lb·ft)
Bearing plate cover screw (shift cam
right)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Shift pedal bolt M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft)
Stator coil screw M6 3 7 N·m (0.7 kgf·m, 5.2 lb·ft)
CDI magneto rotor nut M12 1 56 N·m (5.6 kgf·m, 41 lb·ft)
Ignition coil bolt M6 2 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Neutral switch screw M5 2 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Item
Thread
size
Q’ty Tightening torques Remarks
LT
LT
LT
LT
LT
LT
LT
LT
LT