2015 Arctic Cat TRV 500, Features500 H1 4-Stroke Engine with EFI: This potent 443cc, SOHC, liquid-cooled single-cylinder engine delivers smooth, consistent acceleration. Electronic fuel injection enables a wide torque curve and effortless power delivery by constantly tuning the engine for any temperature, elevation and humidity.Ride-In Suspension: Our Ride-In suspension has proven it can handle whatever the trail puts in front of it. Impressive 11 inches of ground clearance and 10 inches of suspension travel. Double A-arms optimize wheel motion translating into more responsive steering and better cornering.