Can-Am DS250 Operator's Manual - page 118
TECHNICAL GUIDELINES
ENGINE BACKFIRE
1. Exhaust system leakage.
– Contact an authorized Can-Am dealer.
2. Engine is running too hot.
– See ENGINE LACKS ACCELERATION OR POWER.
3. Ignition timing is incorrect or there is an ignition system failure.
– Contact an authorized Can-Am dealer.
4. Improper carburetor setting.
– Contact an authorized Can-Am dealer.
5. Fouled/damaged/worn spark plug.
– Clean/verify spark plug and heat range. Replace as required.
6. Antipollution system failed.
– Contact an authorized Can-Am dealer.
ENGINE MISFIRE
1. Fouled/damaged/worn spark plug.
– Clean/verify spark plug and heat range. Replace as required.
2. Water in fuel.
– Drain fuel system and refill with fresh fuel.
UNUSUAL ENGINE NOISE
1. Valve adjustment.
– Contact an authorized Can-Am dealer.
2. Chain tensioner.
– Contact an authorized Can-Am dealer.
3. Timing chain wear.
– Contact an authorized Can-Am dealer.
4. CVT contamination.
– Contact an authorized Can-Am dealer.
VEHICLE CANNOT REACH FULL SPEED
1. Engine.
– See ENGINE LACKS ACCELERATION OR POWER.
2. Parking brake.
– Ensure brake lever lock is completely removed.
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