ENGINE
BOTTOM-END DISASSEMBLY
Starter Drive Gear Removal and Inspection
1.
Remove the fan from the hub.
2.
Remove the fan hub by removing the flywheel nut, washer
and pulling the hub from the crankshaft.
3.
Remove stator housing bolts and remove housing.
3.26
Washer
Flywheel Nut
4.
Remove the start drive gear and shaft by pulling the shaft
and tilting the gear slightly.
5.
Measure the OD of the starter drive shaft on both ends for
out-of-round.
6.
Measure the ID of the bushing in the stator housing (A) and
in the crankcase (B) in two directions 90
determine if out-of-round. Calculate the clearance. Replace
components if clearance is excessive.
A
7.
Inspect gear teeth on starter drive. Replace starter drive if
gear teeth are cracked, worn, or broken.
8.
Inspect the stator housing bearing. Replace if worn, rough
or damaged.
apart to
B