Features500 H1 4-STROKE ENGINE WITH EFI: The 500 is an industry favorite for a reason. The 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 changes.FULLY INDEPENDENT SUSPENSION: Our independent suspension keeps all four tires on the ground, providing maximum traction. The 10 inches of ground clearance and 10 inches of suspension travel only adds to what this machine can do.