New! Concentric Drive System. Polaris 400, 2-stroke, liquid-cooled, oil-injected engine. Exclusive long-travel (9.0") rear suspension. Tight-turning MacPherson strut long-travel (6.7") front suspension. Intelligent On-Demand true 4-wheel drive with new on/off thumb switch. Automatic transmission (PVT). Single-lever hydraulic disc brakes; hydraulic rear-axle foot brake. New! Electronic speedometer with digital hour meter and odometer/tripmeter with dual-function miles/km readout.