Drive Sprocket Installation; Neutral Switch Installation - Yamaha 2011 YZ250F Owner's Service Manual

INSTALLING THE DRIVE
SPROCKET
1. Install:
• Drive sprocket "1"
• Drive chain "2"
Install the drive sprocket together
with the drive chain.
2. Install:
• Lock washer "1"
• Nut (drive sprocket) "2"
Nut (drive sprocket):
75 Nm (7.5 m•kg, 54
ft•lb)
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"
• Bolt (drive chain sprocket cover)
"3"
Bolt (drive chain sprock-
et cover):
7 Nm (0.7 m•kg, 5.1
ft•lb)
INSTALLING THE NEUTRAL
SWITCH
1. Install:
• Spring "1"
• Pin "2"
• O-ring "3"
• Neutral switch "4"
• Screw (neutral switch) "5"
Screw (neutral switch):
4 Nm (0.4 m•kg, 2.9
ft•lb)
Apply the lithium soap base grease
on the O-ring.
2. Install:
• Hose guide (cylinder head breath-
er hose) "1"
• Bolt (hose guide) "2"
Bolt (hose guide):
10 Nm (1.0 m•kg, 7.2
ft•lb)
4-54
ENGINE REMOVAL