Zenith 1919ca “Model F” 6 HP 770cc JAP side valve V-twin combination frame # 6300 engine # 8/81598 EX In pre W.W. 1 days Zenith machines gained many successes; driving force was chief engineer Freddy Barnes, who was responsible for the famous “Gradua” gear. The mechanics of the Gradua gear were a variable engine pulley worked by a handle, with simultaneous correction of the belt length made by sliding the rear wheel backwards or forwards in the fork slots. Its advantage showed itself most effect ...
BMW 1928 R52 487 cc side valve transverse twin frame # 12030 engine # 48538 For model year 1928 BMW presents two new 500s, the side valve R 52 and the overhead valve R 57 as successors of the R42 and R47. For the first time the company also provides models in the 750 cc class with the same cycle parts: the 745 cc side valve model R 62 and the 734 cc ohv R 63. BMW announces no less than nine important improvements for the new 1928 models, among which are a larger diameter front brake, wider mudgu ...
Velocette 1966 “Thruxton” 499cc OHV Frame # RS19078 Engine # VMT 304 Gearbox # 12-11876 The Truxton, designed in 1965 by Bertie Goodman, was almost an instant legend after a series of impressive results on various racing tracks, where its average speed often exceeded 100 mph. The name referred to the former RAF airfield north of Southampton, where since the early fifties motorcycle races were held and where in 1968 a proper racing circuit was established. The high performance production racer, w ...
Indian 1951 Chief “Roadmaster” 1340 cc side valve V-twin Frame & Engine # C2115 In 1940, 39 years after the company’s founding, Indian goes all-in on the skirted fender design, outfitting Scouts, Chief and Fours with the new tinware. After World War 2 only the Chief makes a return; supposedly a stop-gap measure until lighter, more advanced models come online. But a series of financial and engineering missteps doom the company and Chiefs are still being sold when the Springfield, Massachusetts fa ...
Harley-Davidson 1928 “JD” 1212 cc IOE V-twin engine #29 JD 7399 For 1928, about 4300 model J machines were sold; the 1212 cc JD was much more in demand with more than 11,000 units leaving the factory. Not surprisingly perhaps, as the price difference between these models was a mere $10. 1928 was the first year of the internal expanding front brake which was a practical innovation indeed. Some more new developments for model year 1928 were the addition of an air cleaner, larger size wheel spokes ...
Velocette 1948 KTT Mk VIII 348cc OHC frame # SF 147 engine # KTT 1018 The firm of Veloce Ltd. was formed in 1905 by Johann Goodman. It was a family business that concentrated on sound motorcycle engineering principles. Their first machines were lightweight four strokes; after that a line of top-class 250cc two strokes was brought out. In 1924/ 25 Percy Goodman designed the 350cc overhead camshaft model K, a machine destined to win many TTs and other races, starting with the 1926 Junior TT that w ...