Engine
4-52
Inspect the secondary shaft and driven
sprocket. Look at the gear teeth for
discoloration, pitting or wear. Check the
gear movement on the shaft. It should
move smoothly. Replace the circlip with a
new one.
Inspect the chain for cracks of stiffness. If
replacement is necessary replace the
chain, secondary shaft and driven sprocket
as a set.
Measure the shaft runout with v blocks and
a dial gauge.
Shaft runout limit
0.06 mm
Installation
Assemble the shift shaft.
• Guide Bar (1)
• Shift fork 2 (2)
• Long spring (3)
• Shift fork 1 (4)
• Short spring
Install the transmission.
• Chain (1)
• Drive axle assembly (2)
• Secondary shaft (3)
• Shift fork assembly (4)
• Shift drum (5)
• Low wheel gear
Note:
Oil each gear and bearing thoroughly.
• Before assembling the crankcase, be
sure that the transmission is in neutral
and that the gears turn freely.
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