Bombardier SeaDoo 1990 factory shop manual, Page 143Get this manual
Section 08 PROPULSIONDRIVE SYSTEMS Sub-section 01 (PROPULSIONDRIVE SYSTEMS) T check both bearings, proceed the same way with other end of shaft Position tip of gauge on diameter, cllose to flats on shaft
Measuring impeller shaft radial play Dial gauge
8,9, Thlrust Washer 81 Thrust Bearing
Visually inspect thrust washer, thrust bearing and their contact surfaceCheck for scoring, pitting, chipping or other evidence of wear
Very close inspection will show wear in circled area of bearing if bad
Shaft end Measure close to flats
F001 009 045
Excessive play can come either from worn 'bearings or impeller shaft Measuring shaft diameters will determine defective part Using micrometer, measure diameters on bearing contact surfaces Minimum shaft diameter should be 22 23 rnm8753 in) shaft within tolerance indicates worn bearingsReplace both bearings