Download Eton ATV8E - SERVICE Technical data

Check bearings on right and left crankcase.
Rotate each bearings inner ring with fingers.
Check if bearings can be turned in smooth and silent,
and also check if bearing outer ring is mounted on
gear tightly.
If bearing rotation is uneven, noising, or loose bearing
mounted, then replace it.
Special tool: Inner bearing puller
Bearing driver
Balance shaft bearings
11-6 Assembly Of Crankcase
Install wave washer into right crank bearing seat.
Wave washer
Install crank shaft on the right crankcase.
Align the position mark on the balance shaft drive
gear with that of balance shaft driven gear, and then
install balance shaft onto right crankcase.
Position mark