Common to all twin cylinder models is fuil pressure lubrication to oversize, heavy duty crankshaft, light alloy connecting rods with micro-babbit, steel-backed big-end bearings. Read more, Almost same update with same security parch level, Home Glossary Capacity: 499cc Bore x Stroke: 84mm x 90mm BHP: 34 Compression ratio: 10:1 Transmission: 4-speed, multi-plate wet clutch Brakes: Drum front and rear Electrics: 12 volt, alternator, battery & coil ignition Front suspension: Telescopic fork. RSS feed FAQ Common to all 4-stroke models are dry-sump lubrication with double gear oil pump, alioy cylinder heads with cast-in valve seats, hi-duty variable rate valve springs, enclosed valve gear, heavy duty bali bearings on driveside, heavy duty bi-metal on timing side, cushion drive on clutch, 4-speed transmission. For sale,bsa A50 royal star with spitfire paint and tank,runs very good,lots if new parts,engine rebuilt bottom and top about 5 years ago,about 10,000 miles.feel free to ask questions.bike is loved but must sell,3000.obo mike,4072728787. The A50C Cyclone Road built for the US market model years 1964 and 1965 had 1 1/16" dual carburetors, higher 9:1 compression engine and larger front brake. We may get a commission from qualifying sales. A 65.5mm bore x 74.0mm stroke result in a displacement of just 498.0 cubic centimeters. With its 499cc all-alloy engine, short-wheelbase and high centre of gravity, the B50 was developed for the dirt, grass and asphalt. BSA.
They were intended to replace the 500 cc A7 and 650 cc A10 twins that had been in production since 1946 and 1949, respectively. singles have new maximum service roller bearings in big end except C15 Star which employs full pressure lubrication to copper ailoy big end. BSA 1964 motorcycle data specification. BSA Royal Star; Manufacturer: BSA: Also called: A50, Star, Star Twin: Production: 1962-1970: Predecessor: BSA A7: Successor: BSA B50: Engine: 498cc air cooled twin: Power: 33bhp @ 5800 RPM: Transmission: four speed gearbox to chain drive: Wheelbase: 54.75 inches (139.1 cm) Dimensions: L: 81 inches (210 cm) W: 11.7 inches (30 cm) Fuel capacity: 4 gallons Contact us BSA A 50 Royal Star: Year: 1963: Category: Naked bike: Rating: Do you know this bike?
250/350c.c. Compare Dimensions in road tests.. Rear suspension: Swinging arm, twin shock absorbers/dampers
History.
MODEL : Spitfire Hornet A65: Lightning Rocket A65 : Thunderbolt Rocket A65: Royal Star 650 A65: Cyclone A50-2 C: Cyclone Comp. Fuel was supplied via a overhead valves (ohv). BSA was founded in 1861 in the Gun Quarter, Birmingham, England by fourteen gunsmiths of the Birmingham Small Arms Trade Association, who had together supplied arms to the British government during the Crimean War. We can not guarantee that the information on this page is 100% correct. CAPACITY: 650 c.c. BSA; BSA History; Show Report 1910 ... BSA 1964 Specifications. Click here to rate it. 1962-1970 BSA A50 R Royal Star Full Specifications. Price now:$4,000-$6,000. 175 c.c. That results in relatively light Including manuals, wiring diagrams and categorised technical specifications.