Checking The Shift Forks; Checking The Shift Drum Assembly; Checking The Transmission - Yamaha XT660Z 2008 Service Manual

EAS00421

CHECKING THE SHIFT FORKS

The following procedure applies to all of the
shift forks.
1. Check:
• Shift fork cam follower "1"
• Shift fork pawl "2"
Bends/damage/scoring/wear → Replace the
shift fork.
2. Check:
• Shift fork movement
Rough movement → Replace the shift forks.
EAS00422

CHECKING THE SHIFT DRUM ASSEMBLY

1. Check:
• Shift drum grooves
Damage/scratches/wear → Replace the shift
drum assembly.
• Shift drum segment "1"
Damage/wear → Replace the shift drum as-
sembly.
• Shift drum bearing "2"
Damage/pitting → Replace the shift drum as-
sembly.
EAS00425

CHECKING THE TRANSMISSION

1. Measure:
• Main axle runout
(with a centering device and dial gauge "1")
Out of specification → Replace the main
axle.
Main axle runout limit
0.08 mm (0.0031 in)
2. Measure:
• Drive axle runout
(with a centering device and dial gauge "1")
Out of specification → Replace the drive
axle.
Main axle runout limit
0.08 mm (0.0031 in)
5-72
TRANSMISSION