In addition to delivering double the output of the 800 SX-R and a higher top speed, the easier-to-manage broad spread of power from the new 4-stroke powerplant facilitates control. DOHC, 16-valve, fuelinjected, 4-stroke In-Line Four engine displaces 1,498 cm3 and has a bore/stroke ratio of 83.0 x 69.2 mm.