Bearing replacement

To remove the bearings heat to the parts 250℉ (121℃) and drive out bearings. usually you can just knock the parts against a wood bench and the bearing will fall out.

To install bearings, heat aluminum parts to the parts 325℉ (163℃) and drive in bearings. make sure that bearings are seated and that single sided seals are correctly installed. the following table is for narrow case motors.

Engine bearings	Qty	Bearing number	Seal	Special
Main Bearings	2	6206	No
Cam Shaft	2	6202	No
Upper Tower Shaft	1	1202	No
Bevel Gear	2	7202b	No	Steel Cage
Main Shaft Chain Side	1	6204	2RS	Remove one seal
Lay Shaft Clutch Side	1	6204	No
Lay Shaft Chain Side	1	6203	2RS	Remove one seal
Outer Crank Shaft	1	6203	No
Clutch Housing	2	16004	No