Each 2008 Can-Am Spyder GS has a four-stroke two-cylinder V-shaped Rotax engine (V-twin), with four valves on each cylinder. It generates 106 horsepower at 8,500 revolutions per minute (RPM) and 77 lb-ft of torque at 6,250 RPM. The engine displaces at 998 cubic centimeters, and has a bore and stroke of 3.82 by 2.68 inches. A liquid cooler on the engine cools it down to prevent overheating and consequent malfunction.Read more: /2008/can_am/spyder_gs/roadster_se5/26665/05/#ixzz3k0p5OXhj