Ski-Doo FORMULA III, Shop Manual

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Section 03 TROUBLESHOOTING
Sub-Section 04 (ELECTRICAL SYSTEM)
03-04-3
SYMPTOM ELECTRIC STARTER KEEPS TURNING WHEN ENGINE IS STARTED.
CONDITION NORMAL USE.
Test / Inspection 1. Check clutch.
a. Jammed clutch pinion gear.
Replace or clean.
2. Check movement of clutch on splines.
a. Clutch is stuck on splines.
Clean.
3. Check ignition switch.
a. Ignition switch does not return to its ON position or is short-circuited.
Adjust retaining screw or replace switch.
4. Check solenoid.
a. Shorted solenoid switch winding(s).
Replace solenoid switch.
5. Check solenoid switch contacts.
a. Melted solenoid switch contacts.
Replace solenoid switch.
6. Check starter switch.
a. Starter switch returns poorly.
Replace ignition switch.
SYMPTOM NOISE OCCURENCE WHEN STARTING ENGINE.
CONDITION NORMAL USE.
Test / Inspection 1. Check if ring gear is well mounted to drive pulley inner half.
a. Loose and / or broken bolts.
Retighten bolts using thread locker or replace ring gear and drive pulley inner half.
SYMPTOM ELECTRIC STARTER SOMETIMES DOES NOT WORK WHEN TURNING IGNITION
SWITCH.
CONDITION NORMAL USE.
Test / Inspection 1. Check battery cables and starter wires.
a. Corroded and / or loose connection(s).
Clean and / or retighten.
2. Check fuse.
a. Oxidized fuse.
Clean.
3. Check wiring harness connections.
a. Oxidized connections.
Clean or replace defective terminals.
4. Check ignition switch.
a. Defective contacts in ignition switch.
Replace.
5. Check solenoid of electric starter.
a. Shorted solenoid wiring harness or eroded contact washer.
Replace.