1964 Triumph Bonneville 650
1964 Triumph Bonneville 650
For Auction
RM Sotheby's
(833) 200-7482
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1964 Triumph Bonneville 650

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Hi, I am interested in your 1964 Triumph Bonneville 650 (stock #1407748) listed on Autotrader For Auction.

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Vehicle Specifications

  • VIN
    T120CDU10522
  • Motorcycle ID
    201869175
  • Stock Number
    1407748
  • Category
    Motorcycle
  • Subcategory
    Street
  • Type
    Cruiser
  • New/Used
    Used
  • Mileage
    N/A
  • Heated Seats?
    No
  • Saddlebags?
    No
  • Cruise Control?
    No
  • Antilock Brakes?
    No

Motorcycle Overview

To Be OFFERED AT AUCTION WITHOUT RESERVE at RM Sothebys Arizona event, 23 January 2026.
Offered Without Reserve $10,000 - $15,000 USD

  • Beautifully presented following a full restoration
  • Powered by a 649-cc air-cooled parallel-twin paired with a four-speed gearbox
  • Copper and cream gas tank with aluminum alloy mud guards


Named after the famous Bonneville Salt Flats in Utah, where Triumph claimed numerous speed records, the T120-based Bonneville TT Special was produced from 1963 to 1967. The stripped-down, ready-to-race production machine offered only in the United States delivered an intoxicating riding experience, eschewing many of the standard models comfort features. The Bonneville TT Special was famous for its use in the Baja 1000 and the International Six Days Trial by Steve McQueen.

Compared to the street version, the Bonneville TT Special lacked a battery and carrier, exhaust silencer, headlight, horn, passenger footpegs, speedometer, and taillight assembly. Intended to appeal to TT scramble and flat-track riders, it was an instant hit and victorious challenger in US-based TT races and flat-track events.

Distinguished by its copper and cream gas tank, this 1964 model improves on earlier versions with a revised cylinder head design, new forks featuring external springs, a magnetic tachometer by Smiths, and aluminum-alloy body panels. A 649-cubic-centimeter air-cooled parallel-twin engine is factory-rated for 52 horsepower and paired with a four-speed gearbox.

Fully restored, with work understood to have been overseen by the late, Michigan-based Triumph motorcycle authority Bill Hoard, this Bonneville TT Special will make for a wonderful collection piece or thrilling flat-track sled. To view this car and others currently consigned to this auction, please visit the RM website at rmsothebys.com/auctions/az26/.

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Contact Dealer
Hi, I am interested in your 1964 Triumph Bonneville 650 (stock #1407748) listed on Autotrader For Auction.

By using this service you accept the terms of Autotrader Specialty's Visitor Agreement. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.