CB550SC

1983 Nighthawk 550 (CB550SC’83) Engine Engine Type Air cooled, transverse four cylinder, four stroke, DOHC Bore and Stroke 60 x 50.6 mm Valves 4 valves per cylinder. Displacement 572 (34.9 cid) Compression Ratio 9.5:1 Fuel Delivery Four 26.8mm Keihin CV Ignition Transistorized pointless Starter Electric Fuel type Regular gasoline Alternator Brushless Max Power 64 hp …