Checking The Shift Drum Assembly; Checking The Transmission; Assembling The Main Axle And Drive Axle - Yamaha MTN1000 2016 Service Manual

EAS30432

CHECKING THE SHIFT DRUM ASSEMBLY

1. Check:
• Shift drum groove
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.
EAS30433

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 (0.0032 in)
2. Measure:
• Drive axle runout
(with a centering device and dial gauge "1")
3. Check:
• Transmission gears
• Transmission gear dogs
2
1
4. Check:
• Transmission gear engagement
5. Check:
• Transmission gear movement
1
6. Check:
• Circlips
EAS30435
ASSEMBLING THE MAIN AXLE AND DRIVE
AXLE
1. Install:
• Toothed washer "1"
• Circlip "2"
5-92
TRANSMISSION
Out of specification  Replace the drive axle.
Drive axle runout limit
0.08 mm (0.0032 in)
1
Blue discoloration/pitting/wear  Replace
the defective gear(s).
Cracks/damage/rounded edges  Replace
the defective gear(s).
(each pinion gear to its respective wheel
gear)
Incorrect  Reassemble the transmission
axle assemblies.
Rough movement  Replace the defective
part(s).
Bends/damage/looseness  Replace.
New