2013年12月10日 · 1971 BSA B50SS Claimed power: 34hp @ 6,200rpm Engine: 499cc air-cooled OHV single, 84mm x 90mm bore and stroke, 10:1 compression ratio Top speed: 80mph (est.) Weight (dry): 310lb (141kg) Fuel capacity/MPG: 2.5gal (9.5ltr)/45-55mpg Price then/now: $1,300 (approx.)/$2,500-$4,500

The BSA B50 was a single-cylinder 499 cc (30.5 cu in) ohv motorcycle, produced by BSA at their factory in Small Heath, Birmingham. The last of the big capacity unit-construction singles from the Birmingham Small Arms company, it had an alloy engine with a bore of 84 mm (3.3 in) and a stroke of 90 mm (3.5 in). As well as the road version ...

This BSA B50 buyers guide features: BSA B50 specifications and history, riding BSA B50, ownership tips; BSA B50 specialists and links; BSA B50 models: B50SS Gold Star, B50T Victor Trial, B50MX Victor Scrambler.

BSA B50 tips. 1. The unit single crankcases were originally designed for a 250cc engine. Accordingly, the B50 pressures beneath the piston are considerable and put a huge load on gaskets and seals. A timed breather is vital to keep the crankcase at …

2023年7月7日 · This 1972 BSA B50SS Gold Star is powered by a 499cc four-stroke single paired with a four-speed transmission and is finished in purple with gold graphics.

2021年7月14日 · The B50 in factory-racing form and bearing the hallowed name of “Gold Star”, earned some racing cred in the early 70s by winning the Thruxton 500, the Barcelona 24-hour, the Zolder 24-hour, and set a class lap record at the Isle of Man TT.

Bsa B50 is a four stroke 500 cc single cylinder motorcycle. Made between 1971-1973. 1958 saw the beginning of a complete new engine/transmission design with the introduction of unit construction machine in place of the 250 cc C12. The first Motorcycle the 250cc C 15 Star, was an instant success.

2015年3月10日 · This specific BSA B50SS (VIN: B50SSGE12652) is claimed to run well with a new battery/coil/points/ignition switch as well as a recovered seats. Flaws include a small ding in the right side of the tank and a small leak at the rocker cover.

1971 BSA B50SS Gold Star. Purchased new in 1971 and remained in family. Clear title with copy of original title issued in 1971. 90% original except: short “Euro” bars, moved speedo mount to center of bars to replace original chrome right off-set cup, Boyer ignition and coil, new seat foam and cover, SRM sump cover, LED bulbs front/rear/speedo.

1971 BSA B50SS Gold Star - Cafe Racer, with street-able bars. ( I have stock front wheel. gas tank, muffler, seat is like new and side covers.) Now pure fun and eye catching. Very light weight. Titled. Easy starting. Low mileage 4,700. Has Spitfire MK II front brake. All the work is done. Enjoy it ! $ 4,250. All original parts included.Can ...