2001 Ski-Doo Factory Shop Manual Volume Three, Page 206Get this manual
Section 06 ELECTRICAL Subsection 05 (ELECTRIC STARTER)
INSPECTION
Armature
A19E06A
NOTE: An ohmmeter may be used for the following testing procedures, except for the one concerning the shorted windings in the armatureCheck the commutator for roughness, burnt or scored surfaceIf necessary, turn the commutator on lathe, enough to remove grime onlyCheck the commutator for mica depthIf the depth is less than 0.20 mm (.008 in), undercut the micaBe sure that no burrs are left and no copper dust remains between the segments after the undercutting operation is completed
Plate edge Yoke connector Crimp Spare brush
Solder the crimped portionCAUTION: Do not overheat and quickly perform soldering to prevent solder from flowing to the brush through the wirePreferably use heat sink
F01H0RA
1Commutator undercut 0.20 mm (.008 in)