Can-Am DS250 Operator's Manual page 89

ENGINE TURNS OVER BUT FAILS TO START (cont'd)
4. Spark plug/ignition (no spark).
– Check main fuse condition.
– Remove spark plug then reconnect to spark plug cap.
– Check that ignition switch and/or engine stop switch is/are at the ON posi-
tion.
– Start engine with spark plug grounded to the engine away from spark plug
hole. If no spark appears, replace spark plug.
– If trouble persists, contact an authorized Can-Am dealer.
5. Engine compression.
– If no pulsating resistance is felt, it suggests a major loss of compression.
– Contact an authorized Can-Am dealer.
ENGINE LACKS ACCELERATION OR POWER
1. Fouled or damaged spark plug.
– Check item ENGINE TURNS OVER BUT FAILS TO START.
2. Lack of fuel to engine.
– Check item ENGINE TURNS OVER BUT FAILS TO START.
3. Carburetor adjustments.
– Contact an authorized Can-Am dealer.
4. Engine is overheating.
– Check ENGINE OVERHEATING in SPECIAL PROCEDURES.
– If overheating persists, contact an authorized Can-Am dealer.
5. Air filter/housing plugged or dirty.
– Check air filter and clean if necessary.
– Check deposits in air filter housing drain.
– Check the position of the air intake tube.
6. CVT dirty or worn-out.
– Contact an authorized Can-Am dealer.
7. Parking brake is applied
– Disengage parking brake.
8. Improper valves adjustment
– Contact an authorized Can-Am dealer.
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.
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