- Displacement (ccm): 500 cc
- Type of engine: Four valve, OHV
- Transmisión: Chain, four speeds.
Rudge 500 Sport with sidecar from 1928
It has good general condition and work. Spanish document
Rudge-Whitworth’s first four-valve production motorcycle made its public debut at the Olympia Show in 1923, and the company persevered with the layout until manufacture ceased at the outbreak of WW2.
The motorcycling public’s response to this new four-valve, four-speed model was enthusiastic and by the end of 1924 twice as many machines had been produced as in 1923.
The full potential of Rudge’s four-valves-per-cylinder design was slow to emerge but in 1928 Graham Walker’s works ‘500’ became the first motorcycle to win a road race – the Ulster Grand Prix – at an average speed in excess of 80mph, a feat which led to the introduction of the legendary ‘Ulster’ sports model