Checking The Clutch Housing; Checking The Clutch Boss; Checking The Pressure Plate; Checking The Push Lever Shaft - Yamaha YZ 2015 Series Owner's Service Manual

CHECKING THE CLUTCH HOUSING

EASB291246
1. Check:
• Clutch housing dogs "a"
Damage/pitting/wear  Deburr the clutch
housing dogs or replace the clutch housing.
TIP
Pitting on the clutch housing dogs will cause er-
ratic clutch operation.

CHECKING THE CLUTCH BOSS

EASB291247
1. Check:
• Clutch boss splines
Damage/pitting/wear  Replace the clutch
boss.
TIP
Pitting on the clutch boss splines will cause er-
ratic clutch operation.

CHECKING THE PRESSURE PLATE

EASB291248
1. Check:
• Pressure plate
Crack/damage  Replace.

CHECKING THE PUSH LEVER SHAFT

EASB291249
1. Check:
• Push lever shaft
Wear/damage  Replace.

CHECKING THE CLUTCH PUSH RODS

EASB291250
1. Check:
• Push rod 1 "1"
• Bearing "2"
• Washer "3"
• Push rod 2 "4"
• Ball "5"
Cracks/damage/wear  Replace.
a
2. Measure:
• Push rod 2 bending limit
Out of specification  Replace.

CHECKING THE PRIMARY DRIVE GEAR

EASB291251
1. Check:
• Primary drive gear
Damage/wear  Replace the primary drive
and primary driven gears as a set.
Excessive noise during operation  Re-
place 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.
5-46
CLUTCH
Push rod bending limit
0.10 mm (0.004 in)