2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 133Get this manual
11-10 PUMP AND IMPELLER Pump and Impeller
shaft in the impeller holder, taking care not to Hold theitRemove the impeller from the pump shaft and damage then pull out the pump shaftSpecial ToolsImpeller Wrench: 57001-1228 [B] Impeller Holder: 57001-1393 [A]
JT900-E1: Pull out the bushing [A]