1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 233Get this manual
CRANKING MOTOR SERVICE
The cranking motor on Model 650 Series engine can be removed without disturbing the reduction gearHowever, the reduction gear must he replaced, the flywheel must firat be removed, see Chapter 8
The flywheel MUST be removed before the reduction gear can be withdrawn, fromthe cranking motor
CLEANING and Pinion Gear Assembly Model 550 Series Only