SERVICE BULLETINS SFO-91-17 07-APR-95 1989 & 1990 3 & 4 CYLINDER SHIFT ROD LOWER BELLOWS SEAL SFO-92-01 02-AUG-96 SERVICE BULLETIN INDEX SFO-92-08 01-AUG-95 85 HP THRU 150 HP GEAR HOUSING SFO-92-14 12-APR-95 GEAR HOUSING/PROPELLER INTERFERENCE