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LOT 120

c.1953 BSA 649cc A10 Registration no. CYJ 351 (see text) Frame no. EA7S 24520 Engine no. BA10 3576

Sold for £2,070 inc. premiumLot to be sold without reserve
Lot 120

c.1953 BSA 649cc A10

c.1953 BSA 649cc A10
Registration no. CYJ 351 (see text)
Frame no. EA7S 24520
Engine no. BA10 3576

A new '650' twin joined BSA's 500cc A7 model in 1949. 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 initially with either a rigid frame or plunger rear suspension. Named 'Golden Flash', the new 650 was strikingly finished in pale beige metallic. Ever since the model's introduction enthusiasts have commonly referred to the touring A10 as the 'Golden Flash', even when it was finished in alternative colour schemes, as seen here.

BSA's rugged 650cc twin had undergone considerable development by the end of the 1950s. On the cycle parts front, the introduction of a swinging-arm frame in 1954 had resulted in the original bolt-up gearbox's replacement by a conventional separate item, while the engine had benefited from numerous improvements including an increase in compression ratio for 1958 and the standardisation of the sports models' high-lift camshaft for 1959.

Nothing is known of this A10's history prior to its purchase by the vendor around 20 years ago, since when it has been dry stored. Recommissioning to a greater or lesser extent will be required before the machine returns to the road and thus it is sold strictly as viewed (the engine turns over). Although the registration 'CYJ 351'is displayed, this is not on the HPI database; accordingly, prospective purchasers must satisfy themselves with regard to this motorcycle's registration status prior to bidding and, if successful, make an application to the DVLA to re-register it.
Key not required

Footnotes

All lots are sold 'as is/where is' and Bidders must satisfy themselves as to the provenance, condition, age, completeness and originality prior to bidding.

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