1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 203Get this manual
Lubricate the ball bearing with light oilCheck the of the bearing by rotating the outer bearing raceThe bearing should have smooth action and no stainsIf the ball bearing sounds or feels rough or catches, the bearing should be removed and discarded
checked and determination made as to whether the crankshaft andor the rod must replacedA new ro may be purchased, BUT it must be pressed onto the crankshaft throw with hydraulic pressTo check the connecting rod side cleara the crankshaft, first insert feeler gauge between the connecting rod and the counterweight of the crankshaftAccepta clearances as follows: CONNECTING ROD CLEARANCE