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Bonhams 1793 Ltd – Motorcycle dept
101 New Bond Street, London
W1S 1SR
Tel:  020 8963 2817
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1954 NORTON 350CC MANX MODEL 40 RACING MOTORCYCLE (LOT 629) SOLD by Auction

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  • £18,000 Auction Estimate
  • 1954
Message the seller
Price £18,000 Auction Estimate
Ad Type For Sale by Auction
Category Motorcycles
Make Norton
Model MANX MODEL 40 RACING MOTORCYCL
Year 1954
Country UK
Region Oxfordshire
Telephone 020 8963 2817
Status Trade
Date 28-Jul-2020
Ref C1250710
This motorcycle is to be auctioned at our Live and Online Summer Sale, Hanger 113, Bicester Heritage, OX26 5HA.

SALE TIMES
Friday 14 August Spares & Memorabilia (Lot 1 - 212) 10am
Saturday 15 August Motorcycles (Lot 301 - 462) 10am
Sunday 16 August Motorcycles (Morbidelli Collection) (Lot 501 - 704) 10am

VIEWING
In light of the current government guidelines and relaxed measures we are delighted to welcome viewing, strictly by appointment. All the lots will be on view at Bicester Heritage in our traditional Hangar 113. We will ensure social distancing measures are in place, with gloves and sanitiser available for clients wishing to view motorcycle history files.

Please contact Bonhams Motorcycles with your preferred date, time and vehicle registration number to book an appointment.

VIEWING TIMES
Wednesday 12 August 1pm to 5pm
Thursday 13 August 9am to 5pm
Friday 14 August 9am to 5pm
Saturday 15 August 9am to 5pm (Lots 501-704 only)

LIVE AND ONLINE AUCTION
Please note that whilst public viewing is available by appointment, the auction itself will be conducted from a remote saleroom, behind closed doors without public access, in accordance with the current government guidelines. All bidding will be conducted via Online, Telephone and Absentee Bidding. Please contact our Bids Department to register.

AUCTION ADDRESS
Hangar 113
Bicester Heritage
Buckingham Road
Bicester
Oxfordshire
OX26 5HA


1954 NORTON 350CC MANX MODEL 40 RACING MOTORCYCLE (LOT 629)
FRAME NO. J10M2 57851
ENGINE NO. J10M2 57851
• Matching frame and engine numbers
• Bought at a UK auction
• Seemingly restored to a good standard

Dubbed 'Manx Grand Prix' in 1939, what would become the best-known racing motorcycle of all time had become simply 'Manx' when production resumed in 1946. Built in 350cc and 500c versions, the two Manxes were designated Model 40 and Model 30 respectively. Norton's over-the-counter Manx racers were much the same as their pre-war counterparts, with single-overhead-camshaft engine, 'square' cylinder head finning, upright gearbox and plunger-suspended 'garden gate' frames. Only the presence of the hydraulically damped Roadholder telescopic front fork readily distinguished them from the '39 machines. 1949 brought the first significant change in engine specification, the Manx gaining a double-overhead-camshaft cylinder head like that enjoyed by the works bikes for many years, but the major development was the arrival of the Featherbed frame for 1951. The works' adoption of the McCandless-designed duplex-loop swinging-arm chassis the previous year had given the Nortons a new lease of life in Grand Prix racing, and Geoff Duke duly took both the 350cc and 500cc world titles in 1951. The cycle parts remained essentially unchanged from then on apart from the adoption of a double-sided, twin-leading-shoe front brake for 1962. Manx engine development though, continued steadily, latterly under Doug Hele's direction until production ceased at the end of '62, among the most significant design changes being the adoption of 'square' bore and stroke dimensions for 1954, facilitating the use of larger valves, and a switch to coarser-pitch bevel teeth in 1957.

The vicissitudes of racing being what they are – crashes, blow-ups, rebuilds, engine swaps, etc – it is not surprising that so many old racing motorcycles no longer have their original engines, a state of affairs that makes this 'matching-numbers' Manx somewhat of a rarity.

Seemingly restored to a good standard, this Model 40 Manx was in its present condition when purchased at a UK auction. The factory records state that the machine was dispatched on 9/4/54 to H&M (possibly Hazell and Moore of New South Wales, Australia). Otherwise nothing is known of the machine's racing history (if any) and there are no documents present.

£18,000 - 26,000
€20,000 - 29,000
To be sold without reserve

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.

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