2004-2006 Kawasaki 900 STX Jet Ski Service Manual, Page 137Get this manual
11-14 PUMP AND IMPELLER Pump and Impeller
To protect the seal teeth from damage, insert suitable collar [A] that is longer than the non-splined length including the spline starting area into the impeller wrench [B]Special ToolImpeller Wrench: 57001-1228
Insert the grease seal [C] deeply into the impeller wrench
Push the above wrench assembly into the impeller [A], and then lightly press [C] the wrench assembly to seat the grease seal into the impeller sleeve [B] aligning the wrench teeth with the sleeve teeth
CAUTION
Do not press the grease seal heavilyYou could damage the grease seal