1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 109Get this manual
FUEL AND OIL
Ol pump removed showing the slot in the forward end of the crankshaft and the "spade"on the pump shaftThe "spadeVndexesinto the crankshaft slot
Typical location of the fitting for garden hose attachment to provide circulating water to the engine when it ia being operated during testing,