Checking The Shift Drum Assembly; Checking The Transmission; Assembling The Main Axle And Drive Axle - Yamaha R1 Series 2015 Service Manual

EAS30432

CHECKING THE SHIFT DRUM ASSEMBLY

1. Check:
• Shift drum groove
Damage/scratches/wear
drum assembly.
• Shift drum segment "1"
Damage/wear
sembly.
• Shift drum bearing "2"
Damage/pitting
sembly.
EAS30433

CHECKING THE TRANSMISSION

1. Measure:
• Main axle runout
(with a centering device and dial gauge "1")
Out of specification
Main axle runout limit
0.08 mm (0.0032 in)
2. Measure:
• Drive axle runout
(with a centering device and dial gauge "1")
Replace the shift
Replace the shift drum as-
Replace the shift drum as-
2
1
Replace the main axle.
1
Out of specification
Drive axle runout limit
0.08 mm (0.0032 in)
3. Check:
• Transmission gears
Blue discoloration/pitting/wear
the defective gear(s).
• Transmission gear dogs
Cracks/damage/rounded edges
the defective gear(s).
4. Check:
• Transmission gear engagement
(each pinion gear to its respective wheel
gear)
Incorrect
axle assemblies.
5. Check:
• Transmission gear movement
Rough movement
part(s).
6. Check:
• Circlips
Bends/damage/looseness
EAS30435
ASSEMBLING THE MAIN AXLE AND DRIVE
AXLE
1. Install:
• Toothed washer "1"
• Circlip "2"
New
5-95
TRANSMISSION
Replace the drive axle.
1
Reassemble the transmission
Replace the defective
Replace.
Replace
Replace