CHAPTER 3B ENGINE 50cc/80cc ATV SERVICE MANUAL09.0
CHAPTER 3B ENGINE PAGE 3B - 38 -
3.5.3 Detach the final transmission
gearbox cover
Checking the final transmission assembly.
Check if countershaft gear is worn or damaged.
Check if the final transmission gear is burn or
damaged.
Check if the bearing in the left crankcase and the oil
seal are worn / damaged.
Check if the driving shaft (the main clutch shaft) and
the gear are worn / damaged.
Check if the oil seals are worn / failed.
Replacing bearing (on the side of the
transmission gearbox cover)