1956 Triumph 650cc 6T Thunderbird Frame no. 72361 Engine no. 72361

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Lot 142
1956 Triumph 650cc 6T Thunderbird
Frame no. 72361 Engine no. 72361

Sold for US$ 7,130 inc. premium
1956 Triumph 650cc 6T Thunderbird
Frame no. 72361
Engine no. 72361
Always a step ahead of their rivals, Triumph followed up the trend-setting Speed Twin 500 of pre-war days by being first in the field with a 650cc parallel twin. Announced in September 1949, the 650 Thunderbird was Triumph's response to demands for more power coming from American racers and British sidecarists alike. When displayed at the Earls Court Show in October, the new 650cc twin featured the headlamp nacelle and fuel tank with luggage grid, first seen on Triumphs the previous year. An interesting change to the Thunderbird for 1952 was the adoption of an SU carburetor in place of the original Amal, a specially prepared machine managing a staggering 155mpg at a steady 30mph on a factory organized economy run.
The model remained in production fundamentally in its original form, with progressively updated cycle parts, until the arrival of the unitary construction 650 range in 1962. One of the most significant developments along the way was the introduction of a swinging arm frame for 1955, but prior to that time Triumph twins could be ordered with the optional 'sprung hub' - designed by the Speed Twin's creator Edward Turner - that offered a limited amount of rear suspension movement.

The bike featured here appears to be in good overall condition with a matching frame and engine number.

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

  • The engine number is 6T 72361.
Contacts
1956 Triumph 650cc 6T Thunderbird Frame no. 72361 Engine no. 72361
1956 Triumph 650cc 6T Thunderbird Frame no. 72361 Engine no. 72361
1956 Triumph 650cc 6T Thunderbird Frame no. 72361 Engine no. 72361
1956 Triumph 650cc 6T Thunderbird Frame no. 72361 Engine no. 72361
Auction information

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Buyers' Premium and Charges

ALL BIDDERS MUST AGREE THAT THEY HAVE READ AND UNDERSTOOD BONHAMS' CONDITIONS OF SALE AND AGREE TO BE BOUND BY THEM, AND AGREE TO PAY THE BUYER'S PREMIUM AND ANY OTHER CHARGES MENTIONED IN THE NOTICE TO BIDDERS. THIS AFFECTS THE BIDDERS LEGAL RIGHTS.

If you have any complaints or questions about the Conditions of Sale, please contact your nearest customer services team.

Buyers' Premium and Charges

PLEASE NOTE: THE BUYER'S PREMIUM FOR THIS AUCTION IS AS FOLLOWS:

For MOTORCYCLE property the premium is 15% on the first $100,000 of the bid price and 10% on any amount of the hammer price exceeding $100,000. Buyers are required to pay any applicable import duty, sales or use tax, as the case may be.

For MEMORABILIA property (Lots 1-22) the premium is 27.5% on the first $3,000 of the bid price, 25% on the amount above $3,000 up to and including $400,000, 20% on the amount above $400,000 up to and including $4,000,000, and 13.9% of any amount which exceeds $4,000,000.

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