Engine Type : 4-stroke 50° V-Twin, Cooling Type : Air / Oil, Displacement : 100 ci / 1,634 cc, Bore x Stroke : 101 x 102 mm, Compression Ratio : 8.7:1, Valve Train : Single overhead camshafts with 4 valves per cylinder, self-adjusting cam chains, hydraulic lifters Fuel System : Electronic Fuel, Injection with dual 45mm throttle body Fuel Capacity :4.5 gal / 17.0 ltr,