Yamaha YZF-R1 (2006) [293/426] Transmission

TRANSMISSION

5-90

3. Check:

• Shift fork movement

(along the shift fork guide bar)

Rough movement → Replace the shift

forks and shift fork guide bar as a set.

EAS26270

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

assembly.

• Shift drum bearing “2”

Damage/pitting → Replace the shift drum

assembly.

EAS26300

CHECKING THE TRANSMISSION

1. Measure:

• Main axle runout

(with a centering device and dial gauge “1”)

Out of specification → Replace the main

axle.

2. Measure:

• Drive axle runout

(with a centering device and dial gauge “1”)

Out of specification → Replace the drive

axle.

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).

Main axle runout limit

0.08 mm (0.0032 in)

Drive axle runout limit

0.08 mm (0.0032 in)