The 2017 Ski Doo Summit X 850 E-Tec 165" is equipped with an Aftermarket Turbo. Engine Type: electronic R. A.V. E. Displacement: 51.9 cu. In. (849 cc) Cylinders: 2 Bore x Stroke: 3.2 in. (82 mm) Engine Cooling: Liquid-cooled Brake Type: Brembo racing brake with stainless-steel braided brake line Drive Clutch: pDrive Driven Clutch: QRS Front Suspension: RAS 3 Front Travel: 8.42 in. (214 mm) Rear Suspension: tMotion Rear Travel: 9.4 in. (239 mm) Ski Type: Pilot DS 2 (with 2.5 in. Lug track), Pilot DS 3 (with 3.0 in. Lug track) Ski Stance: 41 in. (1040 mm) Track Dimensions: 16 in. (406 mm) W x 165 in. (4178 mm) L x 2.5 in. or 76.2 mm / 3.0 in. PowderMax FlexEdge (63.5 mm) H Speedometer: Standard Tachometer: Standard Fuel Capacity: 9.5 gal. (36 L) Dry Weight: 441 lb. (165 in) (200 kg) Windshield: Optional Color: Orange Crush / White Electric Start: No Hand & Thumb Warmers: Standard Reverse: RER Mirrors: Optional