CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 39 -
Remove the oil seal on the final transmission shaft.
Heat the final transmission gearbox to 120℃ to
remove the bearing.
Drive in the new bearing to the final transmission
cover.
Oil leakage
·Too much oil
·The oil seal broken
Replacing the bearing (on the side of the
crankcase)
Remove the driving shaft (the clutch main shaft).
Then, remove the oil seal of the shaft.
Heat the final transmission gearbox to 120℃ to
remove the bearing
Drive the new bearing into the final transmission
gearbox. Install the new oil seal for the driving shaft.
3.5.4 Assembling the final gear set
First, install the driving shaft to final gearbox.
Then install the final transmission gear shaft (output
shaft) to the final gearbox.
Attach the countershaft to the final transmission
gearbox. Install the resin washer to the
countershaft, install the locating pin and the new
gasket.
Put on the final gearbox cover.
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