1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 261Get this manual
CLEANINGINSPECTING
OIL SEAL
Impeller Shaft Disassembling 550 Series Mixed Flow Pump Only 13- Insert slim long punch into the open (threaded), end of the impeller shaftTap on the punch to remove the shaft plug from the other end 6f the shaft14- Make setup in an arbor press, and carefully press the impeller shaft of the two roller bearings one at each end of the shaftTake not allow the to free fall the floor