ENGINE
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3). Checking the high wheel gear and middle
drive gear
• gear teeth
Blue discoloration/pitting/wear
Replace.
• mated dogs
Rounded edges/cracks/missing portions
Replace.
• gear movement
Unsmooth Repeat steps #1 or replace the
defective parts.
• circlip
Bends/looseness/damage
Replace.
4). Checking the secondary shaft and driven
sprocket
• gear teeth
Blue discoloration/pitting/wear
Replace.
• gear movement
Unsmooth
Repeat steps #1 or replace the
defective parts.
• circlip
Bends/looseness/damage
Replace.
5). Checking the chain
• chain
Cracks/shift
Replace the chain, secondary
shaft and driven sprocket as a set.
2、Measure:
• axle runout
Use a centering device and a dial gauge.
Out of
specification
Replace the bent axle.
Drive axle runout limit
0.06 mm
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