Yamaha YZ250(W)/W1 Owner's Service Manual page 346

ENGINE REMOVAL
EC4M5341
Drive sprocket
1. Install:
9 Drive sprocket 1
9 Drive chain 2
NOTE:
Install the drive sprocket together with the drive
chain.
2. Install:
9 Lock washer 1
9 Nut (drive sprocket) 2
NOTE:
Tighten the nut while applying the rear brake.
3. Bend the lock washer tab to lock the nut.
4. Install:
9 Chain guide 1
9 Chain cover 2
9 Screw (chain cover) 3
5. Connect: (except for USA and CDN)
9 Neutral switch lead
Refer to "CABLE ROUTING DIAGRAM"
section in the CHAPTER 2.
4-64
ENG
75 Nm (7.5 m•kg, 54 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)