Yamaha 2004 WR250FS Owner's Service Manual page 213

ENGINE REMOVAL
Drive sprocket
1. Install:
• Drive sprocket 1
• Drive chain 2
NOTE:
Install the drive sprocket together with the
drive chain.
2. Install:
• Lock washer 1
• 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:
• Drive chain sprocket guide 1
• Drive chain sprocket cover 2
• Screw (drive chain sprocket cover) 3
Oil hose and neutral switch
1. Install:
• O-ring 1
New
• Dowel pin 2
• Oil hose 3
• Bolt (oil hose) 4
NOTE:
Apply the lithium soap base grease on the O-
ring.
4 - 91
ENG
New
75 Nm (7.5 m · kg, 54 ft · lb)
8 Nm (0.8 m · kg, 5.8 ft · lb)
8 Nm (0.8 m · kg, 5.8 ft · lb)