Born on the Racetrack DUAL OVERHEAD CAM, sixteen valves (4 valves / cylinder) (titanium), in-line 4, six gear, Liquid cooledThe R6 is full of innovations and technology you just won't find on the competitor's machinery.DUAL OVERHEAD CAM, sixteen valves (4 valves / cylinder) (titanium), in-line 4 Performance Lightweight forged pistons feature thin top rings for great high rpm power. The pistons are secured by lightweight tapered type piston pins. The lightweight design means fast engine response.