1997 Ski-Doo Factory Shop Manual Volume One, Page 208Get this manual
Section 05 ELECTRICAL Sub-Section 06 (ELECTRIC STARTER)
Test Armature for Shorted WindingWhen the armature is rotated in the growler with steel strip (hack-saw blade) held above it, the strip will vibrate over that area of the armature which has short circuitReplace armature if so1
A09E0AA
1Test probes
A09E09A
1Steel strip (hack-saw blade) 2Growler
Test the Armature for Open CircuitUse growler test probesPlace one test probe on commutator bar and the other test probe on the neighboring barRepeat this operation for all bars, moving one test probe at timeIf the growler lamp does not turn on, the armature circuit between these two bars is openedThe armature should be replaced or repaired; open circuits most often occur at the commutator riser where coils are soldered(Burnt commutator bars are usually an indication of an open-circuit armature coil