1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S
Lot 72
1934 Cotton-LAP 490cc twin port
Engine no. KO/D40937/S
Sold for US$ 17,250 inc. premium

Lot Details
1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S 1934 Cotton-LAP 490cc twin port Engine no. KO/D40937/S
1934 Cotton-LAP 490cc twin port

Engine no. KO/D40937/S

Gloucester-based Cotton established its reputation with a string of racing successes in the 1920s thanks to an innovative frame patented by its founder, Frank Willoughby Cotton. Cotton's design featured four straight tubes running from the steering head to the rear wheel spindle, augmented by further straight stays supporting the gearbox and engine. The result was a stiff, lightweight chassis far in advance of the bicycle-derived diamond-type frame used by the majority of manufacturers. Like other small independent firms Cotton relied on proprietary engines but such was the advantage conferred by its frame that the Cotton had little trouble seeing off similarly powered rivals. The legendary Stanley Woods made his Isle of Man TT debut on a Cotton in 1922, going on to win the Junior event at record speed the following year. Countless podiums were achieved in international events throughout the 1920s, Cotton's finest TT achievement occurring in 1926 when its entries finished 1, 2, 3 in the 250 Lightweight race. Something of a powerhouse pre-WWII, it shrank postwar and became known for its small capacity 2-strokes, sadly closing in 1980.

In 1934 Cotton were making 19 different models, most with Blackburne and JAP engines. This bike with an engine number with a "KO/D" prefix – K for (85.7mm x 85mm bore and stroke) 490cc, O for overhead valve and D for 1934 – uses its JA Prestwich, or JAP, engine number for identification. The gearbox is a 3-speed, hand shift, Burman. The overall mileage is unknown and the mileage since restoration is zero for the engine was started on rollers after assembly to adjust carburation. It has not been ridden since. No history is known prior to its sale by Big D Motorcycles of Dallas, Texas in 2010, to the current vendor. A rare bike that will provide an excellent ride-to-show ownership, '30s English style.

Saleroom notices

  • Please note that this bike is titled under its engine number.
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