
LOT 565
1958 BSA 646cc Golden Flash Registration no. VWW 338 Frame no. FA7 1099 Engine no. CA10 10836
Sold for £4,370 inc. premium
Lot 565
1958 BSA 646cc Golden FlashRegistration no. VWW 338 Frame no. FA7 1099 Engine no. CA10 10836
1958 BSA 646cc Golden Flash
Registration no. VWW 338
Frame no. FA7 1099
Engine no. CA10 10836
Registration no. VWW 338
Frame no. FA7 1099
Engine no. CA10 10836
A new 650cc twin joined BSA's 500cc A7 model in 1949, the latter's engine being revised along the lines of the new design at the same time. The existing parallel twin architecture was retained for the new A10, with 360-degree crankshaft and single camshaft at the rear of the cylinder block, as was the four-speed gearbox bolted directly to the crankcase in a form of semi-unitary construction. Like the A7, the A10 was available with either a rigid frame or plunger rear suspension. Strikingly finished in pale beige metallic, the new 650 was named 'Golden Flash', a title that stuck even if it was finished in optional black.
On the cycle parts front, the introduction of a swinging-arm frame in 1954 resulted in the original bolt-up gearbox's replacement by a conventional separate item. The engine too would benefit from numerous improvements including an increase in compression ratio for 1958 and the standardisation of the sports models' high-lift camshaft for 1959. Perennially popular, the model continued in production until 1962 and was a popular choice among sidecarists, who appreciated its pulling power and economy.
This Golden Flash was purchased by the current owner from GB Motorcycles of Christian Malford, Wiltshire in November 2007. The sales invoice is on file and the machine also comes with two old MoTs (most recent expired 2008) and an old-style V5C.
On the cycle parts front, the introduction of a swinging-arm frame in 1954 resulted in the original bolt-up gearbox's replacement by a conventional separate item. The engine too would benefit from numerous improvements including an increase in compression ratio for 1958 and the standardisation of the sports models' high-lift camshaft for 1959. Perennially popular, the model continued in production until 1962 and was a popular choice among sidecarists, who appreciated its pulling power and economy.
This Golden Flash was purchased by the current owner from GB Motorcycles of Christian Malford, Wiltshire in November 2007. The sales invoice is on file and the machine also comes with two old MoTs (most recent expired 2008) and an old-style V5C.
Footnotes
As with all Lots in the Sale, this Lot is sold 'as is/where is' and Bidders must satisfy themselves as to the provenance, condition, age, completeness and originality prior to bidding.
Saleroom notices
This lot is now offered with an MOT expiring 04/2020.







Additional information
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- 28 April 2001, 09:00 - 17:00 BST
- 27 April 2019, 09:00 - 18:00 BST
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