9. Inoperative fuel injector. See dealer.
10. Obstructed fuel tank vent valve or pinched vent
11. Engine management system failure. See dealer.
12. Intake manifold leak. See dealer.
A Spark Plug Fouls Repeatedly.
1. Fuel mixture too rich. See dealer.
2. Incorrect spark plug.
Pre-Ignition or Detonation (Knocks or Pings)
1. Insufficient coolant in system. Add Coolant.
2. Insufficient oil supply or oil not circulating. See
dealer.
3. Heavy carbon deposit from lugging engine. See
dealer.
4. Oil cooler obstructed.
5. Cooling fans inoperative. See dealer.
6. Thermostat stuck closed. See dealer.
7. Plugged or restricted radiators or coolant lines.
8. Airflow to radiators obstructed.
1. Engine mounts loose. See dealer.
2. Swingarm pivot shaft loose. See dealer.
3. Damaged frame. See dealer.
4. Drive chain badly worn or out of adjustment.
5. Wheels and/or tires damaged. See dealer.
1. O2 sensor damaged or malfunctioning (engine
running rich). See dealer.
2. Clogged air filter.
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