Can-Am DS250 Operator's Manual page 90

ENGINE BACKFIRE (cont'd)
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 plugged.
– 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.
3. 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.
4. CVT dirty or worn-out.
– Contact an authorized Can-Am dealer.
TRANSMISSION LEVER IS HARD TO MOVE
1. Transmission gears are in a position that prevents the transmission lever
to work.
– Rock the vehicle back and forth to move the gears in the transmission and
allow the transmission lever to be set.
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