840cc liquid-cooled mountain sled. Deep snow, steep terrain.

The 840cc liquid-cooled engine powers this RMK SPS 155 ES through deep mountain snow. RMK React front suspension with 9 inches of travel handles steep terrain, while the 155-inch track gives you float in the powder. Gripper skis, electric start, and hand warmers come standard. Fuel capacity is 11 gallons. Moon Motorsports stocks the 2027 RMK SPS 155 ES in Monticello.