Section 03
ENGINE
Subsection 02
(TROUBLESHOOTING)
VMR2004_006_03_02A.FM
03-02-13
SYMPTOM
ENGINE DOES NOT START - NO SPARK AT SPARK PLUG (SEE MAGNETO SYSTEM).
CONDITION
AT ENGINE CRANKING.
Test/Inspection
1. Verify spark plug condition.
a. Defective, improperly set, worn out, fouled.
Identify source of problem and correct. Replace spark plug.
2. Verify ignition coils resistance with an ohmmeter.
a. Defective part.
Replace ignition coil(s).
3. Verify trigger coil resistance with an ohmmeter and connector condition.
a. Defective coil. Corroded connector terminal.
Replace magneto. Clean terminals and apply silicone dielectric grease.
4. Verify condition of ignition coils.
a. Mechanically damaged part. Vibration problem. Electrically damaged part.
Replace ignition coil(s).
5. Verify condition of trigger coil.
a. Mechanically damaged part. Vibration problem. Electrically damaged part.
Replace trigger coil and/or tighten mounting screw(s).
6. Check magneto for damage and/or electrical failure.
a. Windings of stator have electrical failure (no charging causes an empty battery).
Replace magneto.
SYMPTOM
THE CLUTCH “SLIPS”.
CONDITION
NORMAL USE.
Test/Inspection
1. Check clutch discs condition.
a. Clutch discs worn or distorted.
Replace.
2. Check clutch springs condition.
a. Clutch springs exhausted.
Replace.
3. Check clutch adjustment.
a. Clutch cable is not adjusted correctly.
Adjust and lubricate.
4. Verify engine oil.
a. Engine oil is not to specifications.
Drain engine oil and refill with the recommended oil.
Summary of Contents for DS 650
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Page 2: ...Shop Manual 2004 DS 650TM DS 650TM BAJA DS 650TM BAJA X ...
