The ST1300 incorporates many of the X-Wing's lines but none of its running gear. Power comes from a lower-slung 1,261 cc V4 engine mounted as a stressed member in a lighter aluminum frame. A major difference from the ST1100 is the use of balance shafts for smoothness, allowing the engine to be directly mounted to the frame. The revised engine layout and a split fuel tank shift some of the weight downward, making the ST1300 less top-heavy than its predecessor. The rear wheel is driven through a cassette-type five-speed transmission and shaft drive.