Ski-Doo Formula 500 1998, Shop Manual

Page: 68 / 398

Section 03 TROUBLESHOOTING
Subsection 05 (ELECTRICAL SYSTEM)
03-05-2
9. Check height of commutator mica.
a. Commutator mica too high.
Undercut mica.
10. Check field coil resistance.
a. Shorted field coil.
Repair or replace yoke.
11. Check armature resistance.
a. Shorted armature.
Repair or replace armature.
12. Check tension of brush springs.
a. Weak brush spring tension.
Replace springs.
13. Check yoke assembly magnets.
a. Weak magnets.
Replace yoke assembly.
14. Check if bushings are worn.
a. Worn bushings.
Replace bushings.
SYMPTOM STARTER TURNS, BUT OVERRUNNING CLUTCH PINION DOES NOT MESH WITH
RING GEAR.
CONDITION NORMAL USE.
Test/Inspection 1. Check clutch pinion gear.
a. Worn clutch pinion gear.
Replace clutch.
2. Check clutch.
a. Defective clutch.
Replace clutch.
3. Check movement of clutch on splines.
a. Poor movement of clutch on splines.
Clean and correct.
4. Check clutch bushing.
a. Worn clutch bushing.
Replace clutch.
5. Check starter bushings.
a. Worn starter bushing(s).
Replace bushing(s).
6. Check ring gear.
a. Worn ring gear.
Replace ring gear.