Assembly Of Crankcase - Eton VECTOR ST 250 Service Manual

Check bearings on right and left crankcase.
Rotate each bearings inner ring with fingers.
Balance shaft bearings
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

11-6 Assembly of crankcase

Install wave washer into right crank bearing seat.
Install crank shaft on the right crankcase.
Wave washer
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
98