Installing The Primary Drive Gear - Yamaha YZ125 2009 Owner's Service Manual

INSTALLING THE PRIMARY DRIVE GEAR

1. Install:
• Spacer "1"
• Primary drive gear "2"
• Bolt "3"
Install the primary drive gear with its depressed
side toward you.
2. Install:
• Primary driven gear
Refer to "CLUTCH" section.
3. Tighten:
• Bolt (primary drive gear) "1"
Bolt (primary drive gear):
48 Nm (4.8 m•kg, 35 ft•lb)
Place an aluminum plate "a" between the teeth
of the primary drive gear and driven gear.
4. Install:
• Dowel pin "1"
• Gasket [crankcase cover (right)] "2"
KICK SHAFT AND SHIFT SHAFT
5. Install:
• Crankcase cover (right) "1"
Mesh the governor gear "2", and impeller shaft
gear "3" with primary drive gear "4".
6. Install:
• Bolt [crankcase cover (right)] "1"
Bolt [crankcase cover (right)] :
10 Nm (1.0 m•kg, 7.2 ft•lb)
Tighten the bolts in stage, using a crisscross
pattern.
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