2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 135Get this manual
11-12 PUMP AND IMPELLER Pump and Impeller
JT900-E1: Install new bearing into the pump case [A] as far as it will go
Special ToolBearing Driver Set: 57001-1129 [B]
Replace the grease seals with new ones, if necessary, and install themSpecial ToolBearing Driver Set: 57001-1129