Checking The Pressure Plate; Checking The Push Lever Shaft; Checking The Push Rods; Checking The Primary Drive Gear - Yamaha YZ250 2022 Owner's Service Manual

TIP
Pitting on the clutch boss splines will cause er-
ratic clutch operation.
G088995
EAM30114

CHECKING THE PRESSURE PLATE

1. Check:
• Pressure plate
Crack/damage  Replace.
EAM30115

CHECKING THE PUSH LEVER SHAFT

1. Check:
• Push lever shaft
Wear/damage  Replace.
EAM30484

CHECKING THE PUSH RODS

1. Check:
• Push rod 1 "1"
• Bearing "2"
• Washer "3"
• Push rod 2 "4"
Cracks/damage/wear  Replace.
2. Measure:
• Push rod 2 bending limit
Out of specification  Replace.
Push rod bending limit
0.30 mm (0.012 in)
EAM30117

CHECKING THE PRIMARY DRIVE GEAR

1. Check:
• Primary drive gear
Damage/wear  Replace the primary drive
and primary driven gears as a set.
Excessive noise during operation  Replace
the primary drive and primary driven gears as
a set.
2. Check:
• Primary-drive-gear-to-primary-driven-gear
free play
Free play exists  Replace the primary drive
and primary driven gears as a set.
EAM30118

CHECKING THE PRIMARY DRIVEN GEAR

1. Check:
• Primary driven gear
Damage/wear  Replace the primary drive
and primary driven gears as a set.
Excessive noise during operation  Replace
the primary drive and primary driven gears as
a set.
EAM30121

INSTALLING THE CLUTCH

1. Install:
• Bearing "1"
• Oil seal "2"
New
• Push lever shaft "3"
• Copper washer "4"
• Push lever shaft bolt "5"
Push lever shaft bolt
6 N·m (0.6 kgf·m, 4.4 lb·ft)
TIP
Apply the lithium-soap-based grease on the oil
seal lip.
5-28
CLUTCH
New