2004 Skidoo Tundra Skandic Series Service Manual, Page 326Get this manual
Section 06 ELECTRICAL Subsection 05 (ELECTRIC STARTER)
Test the Armature for Open Circuit Use 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 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)
Brush Length
All Models Measure brush lengthIf less than the specified value, replace themMODEL All LENGTH NEW 10 mm (.400 in) WEAR LIMIT mm (.236 in)
Field Windings and Brushes
Skandic WTSWTLT ESUV 550 Test the Field Winding for Open Circuit Use growler test probesPlace one test probe on the negative brush and the other test probe on the yokeIf growler lamp does not turn on, the field winding has an open-circuitThe yoke has to be repaired or replaced1 2