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LOT 248

Antig-Jawa 500cc Grass-track Racing Motorcycle

Sold for £2,070 inc. premium
Lot 248

Antig-Jawa 500cc Grass-track Racing Motorcycle

Antig-Jawa 500cc Grass-track Racing Motorcycle

The sports of speedway, grass-track, and long-track racing are closely related, the principal differences being the composition of the track surface and the length of the circuit, long tracks typically being 800-1,000 metres in length compared to around 400 metres or less for a speedway venue. The machines too share many basic characteristics, though long trackers are lengthier and have two-speed gearboxes and different, longer-travel front suspension. With their much longer straights, long tracks allow for significantly higher speeds. Long track engines will, generally, be tuned for greater top-end power to take advantage of these long straights.

Just as in speedway, the JAP engine ruled the roost in long track's formative years, before the Czech-built Jawa/ESO began to assert itself in the early 1960s. In turn, Jawa's dominance of both speedway and long-track racing would be challenged by the four-valve Weslake engine, and Jawa responded by introducing a new double-overhead-camshaft, four-valve motor in the late 1970s. Available in speedway/long-track variants as the Type 894/895, this engine was adequately powerful (producing up to 65bhp) but rather top heavy, and was superseded by the more compact, single-overhead-camshaft Type 896/897, this being the final development of Jawa's classic upright single. This four-valve Jawa engine and gearbox are installed in an Antig frame, the machine being presented in restored condition. There are no documents with this Lot.

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.

Saleroom notices

The engine number is: 897/392 Contrary to the catalogue description, only the frame, forks and plastics appear to have been part restored.

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