Bombardier SeaDoo 2000 factory shop manual volume 2, Page 242Get this manual
Section 09 ELECTRICAL SYSTEM Subsection 04 (STARTING SYSTEM)
Remove brushesTo remove bearing and seal in end cover, release tabs of retainer
Check commutator for roughness, burnt or scored surfaceIf necessary, turn commutator on lathe, enough to resurface onlyCheck commutator for mica depthIf depth is less than 0.20 mm (.008 in), undercut micaBe sure that no burrs are left and no copper dust remains between segments after undercutting operation is completed
F01H0RA F06H1MA
1Commutator undercut 0.20 mm (.008 in)
1Retainer
CLEANING
CAUTION: Yoke assembly and drive unit assembly must not be immersed in cleaning solventDiscard all O-ringsClean brushes and holders with clean cloth soaked in solventBrushes must be dried thoroughly with clean clothBlow brush holders clean using compressed air
Check commutator out of round condition with Vshaped blocks and an indicatorIf commutator out of round is more than 0.40 mm (.016 in), commutator should be turned on latheCheck commutator outer diameterIf less than 27 mm (1.063 in), replace