Bombardier SeaDoo 1996 factory shop manual, Page 85Get this manual
Section 04 ENGINE Sub-Section 04 (ROTARY VALVE)
8,9 Bearing
Inspect bearingsCheck for scoring, pitting, chipping or other evidence of wearMake sure plastic cage (on bigger bearing) is not meltedRotate them and make sure they turn smoothly
9, Bearing
To install end bearing in crankcase, use pusher (P290 876 500)10, Gear
Visually check gear wear patternIt should be even on tooth length all aroundOtherwise it could indicate bent shaft, check deflectionReplace gear if damagedCheck for presence of brass filings in gear housing
A00B2JA
1Pusher
Rotary Valve Shaft Deflection
Deflection is measured with dial gaugeInstall rotary valve shaft in crankcase half, without its gearNOTEEnd bearing must be in crankcase halfMeasure shaft deflection near gear mounting area