Can-Am DS 450 EFI X mx Operator's Manual - page 134
TECHNICAL GUIDELINES
ENGINE BACKFIRE (cont’d)
2. Exhaust system leakage.
– Contact an authorized Can-Am dealer.
3. Engine is running too hot.
– See ENGINE LACKS ACCELERATION OR POWER.
ENGINE MISFIRE
1. Fouled/damaged/worn spark plugs.
– Clean/verify spark plugs 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.
VEHICLE CANNOT REACH FULL SPEED
1. Engine.
– See ENGINE LACKS ACCELERATION OR POWER.
2. Parking brake.
– Ensure parking brake is completely removed.
3. Air filter/housing clogged or dirty.
– Check air filter and clean if necessary.
– Check liquid/deposits in air filter housing drain tube.
TRANSMISSION DOES NOT SHIFT SMOOTHLY
1. Engine/transmission oil level is low.
– Refill oil tank with recommended oil at the proper level.
2. Transmission shifting system.
– Try depressing the throttle lever more while up shifting.
– Compress clutch lever longer while down shifting.
3. Improper clutch adjustment
– Adjust clutch mechanism, refer to CLUTCH in MAINTENANCE PROCE-
DURES.
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