1989 Ski-Doo Repair Manual, Page 396Get this manual
Section 04 ELECTRICAL Sub-section 05 (ELECTRIC STARTER)
STARTING SYSTEM TROUBLESHOOTING TABLE
SYMPTOM Starter does not turnCAUSE Poor contact of starter switch contact pointsBurnt or poor contact of solenoid switch contact discOpen circuit of solenoid switch pUll-in winding (Not applicable to Safari Citation E) Open circuit of solenoid switch hold-in winding(Not applicable to Safari Citation E) Poor contact of brushBurnt commutatorCommutator mica too highShorted field coil (Not applicable to Safari Citation E) Shorted armatureWeak brush spring tensionWeak magnet (Safari Citation only) Worn bushingsWeak batteryShorted battery cell(s)Poor contact of battery terminal(slOpen circuit between starter switch and solenoid switchPoor battery ground cable connectionStarter turns, but overrunning clutch pinion does not mesh with ring gearWorn clutch pinion gearDefective clutch Poor movement of clutch on splinesWorn clutch bushing Worn starter bushing(s) Worn ring gearStarter motor keeps runningShorted solenoid switch winding(s)Melted solenoid switch contactsStarter switch returns poorlyREMEDY Repair or replace switch