1992 Spondon Yamaha
Lot 382
One owner from new 1992 Spondon Yamaha 680cc 'Supermono' Racing Motorcycle Frame no. SPE/NR/Y/687 Engine no. 1XL000017
£3,000 - 5,000
US$ 4,700 - 7,800
amended

Lot Details
1992 Spondon Yamaha
One owner from new 1992 Spondon Yamaha 680cc 'Supermono' Racing Motorcycle
Frame no. SPE/NR/Y/687
Engine no. 1XL000017
From modest beginnings in the 1960s, Spondon Engineering has developed into one of the best-known bespoke frame makers. Designed to house a Yamaha AS-1 engine, the company's first frame ran to an astonishing 120 units, and from then on the firm went from strength to strength. Spondon's bread-and-butter work for much of the 1970s consisted of building replica frames for the ubiquitous TZ Yamaha, while the next decade saw the range expand to include frames for big Formula One and endurance racing four-strokes, the rotary John Player Nortons and 500cc Grand Prix two-strokes.

This Yamaha SRX-engined Supermono racer boasts a Spondon frame and Yamaha TZ running gear. Owned by the current vendor from new, the machine was raced by him from 1993-1994, winning many races and the Darley Moor Singles Championship in the latter year. The Spondon-Yam was last raced in 1996 and when dynamometer tested that year was found to produce 70bhp at the rear wheel. (Current Thunderbike rules stipulate a maximum of 75bhp for a Supermono weighing 117kg). Stored indoors since then, the machine has not been started for more than two years because of the vendor's ill health. Offered with sundry invoices, it represents an opportunity to acquire a one-owner Supermono racer with the potential to be competitive in the air-cooled class in the right hands.

Saleroom notices

  • The engine number is: 1XL-005875
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