Checking The Shift Drum; Checking The Transmission - Yamaha 5YF2-AE1 Service Manual

1
TRANSMISSION
EBS01103

CHECKING THE SHIFT DRUM

1. Check:
• shift drum grooves
Damage/scratches/wear → Replace the
shift drum assembly.
• shift drum segment 1
Damage/wear → Replace the shift drum
assembly.
EBS00354

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.
Drive axle runout limit
0.08 mm (0.0031 in)
3. Check:
• transmission gears
Blue discoloration/pitting/wear → Replace
the defective gear(s).
• transmission gear dogs
Cracks/damage/rounded edges → Replace
the defective gear(s).
4. Check:
• transmission gear engagement
(each pinion gear to its respective wheel
gear)
Incorrect → Reassemble the transmission
axle assemblies.
5. Check:
• transmission gear movement
Rough movement → Replace the defective
part(s).
6. Check:
• circlips
Bends/damage/looseness → Replace.
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