CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 5 -
Piston or cylinder worn
Check combustion chamber and piston top
for excessive carbon deposit if compression
pressure is too high.
3.1.8 Final reduction gear oil checking
Checking oil volume, build up main foot rest
so that build up body becomes vertical on
plain ground.
Dismount gear oil adjusting bolt after
stopping engine.
It is good that oil level just under regulation
screw bolt hole, add gear oil when oil level is
too low.
Gear oil recommended: SEA 15W/40SE
Build up gear oil regulator screw bolt.
Confirm packing washer broken or not.
Changing gear oil
Remove gear oil adjusting bolt and drain oil.
Confirm packing washer broken or not.
Add gear oil recommended:
gear oil capacity:0.12L
Bolt torque:19N.m(14ft.lbs)
Check if there is any leakage after work.
3.1.9 Transmission belt
Detach the left crankcase cover
Check whether there is wear and tear of
transmission belt.
Change with new one when necessary or
timely maintenance.
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