Service manual

Page 81 of 151

• Check the reverse shaft for wear or damage.

• Check the final shaft and gear for burning, wear,

or damage.

• Check the bearings on the gear box and gear

box cover.

• Rotate each bearing’s inner ring with fingers.

• The bearing should turn smoothly and quietly.

• Check if the bearing outer ring is mounted on

the gear securely.

• If the bearing rotation is uneven, makes noise, or

mounted loosely, then replace it.

• Check oil seal for wear or damage, and replace it

if necessary.

• If the drive shaft is removed from the

crankcase upper side, the bearing has to be

replaced.