Can-Am DS 450 EFI 2009 Operator's Guide

The recommended oil type for the Can-Am DS 450 EFI 2009 is 5W-40 synthetic oil.
The air filter should be checked every 10 hours of operation and cleaned or replaced as necessary to ensure optimal performance.
If the engine won't start, check the battery connections and ensure they are clean and secure. Also, verify that the fuel level is adequate and the fuel valve is open.
To reset the maintenance light, turn the ignition key to the "ON" position, then press and hold the "MODE" button until the maintenance light blinks and goes off.
The proper tire pressure for the front tires is 5 psi and for the rear tires is 5 psi. Always refer to the owner's manual for specific recommendations.
To adjust the suspension, use the preload adjustment on the shocks. Turn the adjustment collar clockwise to increase stiffness and counterclockwise to soften the suspension.
If the vehicle overheats, stop immediately and let the engine cool. Check the coolant level and inspect the radiator for blockages. Ensure the fan is functioning properly.
To improve fuel efficiency, maintain proper tire pressure, perform regular maintenance such as oil changes and air filter replacement, and avoid aggressive acceleration.
The spark plug gap for the Can-Am DS 450 EFI 2009 should be set to 0.7 to 0.8 mm (0.028 to 0.031 inches).
To replace the battery, first remove the seat to access the battery compartment. Disconnect the negative terminal, then the positive terminal, and remove the battery. Install the new battery by connecting the positive terminal first, followed by the negative terminal.