Bombardier SeaDoo 1998 factory shop manual, Page 275Get this manual
Section 09 PROPULSION SYSTEM Subsection 02 (JET PUMP)
18,24, Cover and Impeller Shaft
END PLAY End play of impeller shaft is checked with shaft in housing, without impeller and with cover installedRetain housing in soft jaw vise making sure not to damage housing lugSet dial gauge and position its tip on the end of shaftMove shaft end by pulling and pushingDifference between highest and lowest dial gauge reading is end playMaximum permissible end play (new) is 0.120.54 mm (.005 .021 in)Make sure vise is secured and not adding to your measurement as you move impeller shaft
F01J1AA
1Inspect for wear at the bearing pilot 2Radial bearing raceway
NOTE: If shaft is to be replaced, it is recommended to replace both bearings at the same timeIn addition, it is suggested to replace thrust bearing and thrust washer