1983 BMW R100 ENGINE SPECS Engine Type: 980 cc, 4 Stroke - Air Cooled - Boxer Twin Engine Bore and Stroke: 94 mm x 70.6 mm Valves 2 valves/cylinder Claimed Horsepower: 67 hp (50 kW) @ 7000 rpm Maximum Torque: 72 Nm (53.1 ft. lbs) @ 5500 rpm Transmission type: 5 speed Final Drive: Shaft DIMENSIONS Wheelbase 1465 mm (57.7 inches) Fuel Capacity: 24 l (6.3 Gal) Dry Weight (without fluids): 218 kg (480.6 pounds) For more info, call us... at 888-389-4453