2008 Can-Am Spyder GS SM5, comes complete with high windshield, back rest. AS NEW Discover the Y-Factor Can-Am Spyder roadster: the next dimension in open-road riding.This three-wheel vehicle, with 2 wheels in the front and 1 in the rear, offers a completely new and stunning look. Powered by a proven 990 VOLT-twin engine designed and manufactured by BRP-Rotax, Spyder roadster, with its unique Y-architecture, can be described as part motorcycle and part convertible sports car.