BSA Rocket Gold Star

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BSA A10 Rocket Gold Star
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]


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] 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.


  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
  2. ^ a b "The Rocket Gold Star". Archived from the original on 9 May 2008. Retrieved 2008-05-15. 
  3. ^ Ker, Rod. "Rocket Gold Star". Archived from the original on 3 November 2006. Retrieved 2008-05-16.