BSA Rocket Gold Star

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BSA A10 Rocket Gold Star
File:Flickr - ronsaunders47 - BSA ROCKET GOLD STAR. 650cc TWIN. 1962-1963. UK..jpg
Manufacturer BSA Motorcycles Ltd
Parent company Birmingham Small Arms Company
Production 1962-63
Predecessor BSA Super Rocket
Engine 646 cc air cooled twin
Power 50 bhp (37 kW) @ 6,250 rpm with optional equipment
Transmission four speed gearbox to chain drive
Wheelbase 54.75 in (1,391 mm)
Dimensions L: 84 in (2,100 mm)
Weight 375 lb (170 kg) (dry)
Fuel capacity 3.5 imp gal (16 L; 4.2 US gal)

The BSA Rocket Gold Star was a BSA motorcycle included in the final range of A10 twins, using a tuned A10 Super Rocket engine in the double-downtube Gold Star frame.[1]

Development

Launched in February 1962, the total BSA Rocket Gold Star production was 1,584 bikes, of which 272 were off-road scramblers.[2] The later (1961-1963) 9:1 compression Super Rocket engine was used with a Spitfire camshaft and an Amal Monobloc carburettor gave 46 bhp (34 kW) as standard. Options such as Siamesed exhaust pipes and a close-ratio RRT2 gearbox could increase this to 50 bhp (37 kW) – and add 30% to the price.[3][dead link] Nine specials were made for export to California and one was fitted with a sidecar by Watsonian for the Earls Court Show in October 1962.[2]

Rocket Gold Star production ended in 1963 due to the development of new unit construction successors, designated as A65 in the 650 cc capacity.

References

  1. Motor Cycle 15 June 1967, Diamond TT number, p.831. Help Club. Gold Star applies only to singles...there was a 646 cc twin called the Rocket Gold Star which featured a Super Rocket engine in a Gold Star-type frame. This model was included in BSA's 1962 and 1963 ranges. Accessed 21 June 2015
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