9-40 CRANKSHAFT/TRANSMISSION
Transmission
If any shift drum groove is worn over the service
limit, the drum must be replaced.
Shift Drum Groove Width
Standard: 7.10~7.15 mm
Service Limit: 7.30 mm (0.287 in.)
Gear Dog and Gear Dog Hole Damage
● Visually inspect the gear dogs [A] and gear dog
holes [B].
Replace any damaged gears or gears with
excessively worn dogs or dog holes.
Ball and Needle Bearing Replacement
● Using a press or puller, remove the ball bearing
and/or needle bearings.
● Using a press and the bearing driver set [A],
install the new ball bearing until it stops at the
bottom of its housing.
Ball and Needle Bearing Wear
● Spin [A] the bearing by hand to check its
condition.
If the bearing is noisy, does not spin smoothly, or
has any rough spots, replace it.
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