1925 - 1929 Models 1925 Models 1 ½ h.p. Villiers - Featherweight 2 ½ h.p. Single Speed 2 ½ h.p. 3-Speed - All Chain Model 2 ¼ h.p. Blackburne 3 ½ h.p. JAP - 3-Speed 3 ½ h.p. OHV Sports Model 3 ½ h.p. JAP - Combination 1926 Models 147cc Villiers Featherweight 245cc Single Speed 247cc Villers - All Chain Model 249cc Blackburne 350cc JAP - 3-Speed 350cc OHV Sports Model 350cc OHV Super Sports Model 350cc JAP - Combination 1927 Models 147cc Villiers Featherweight C.2. 247cc Villers - All Chain Model A.5. 249cc Blackburne A.5.B. 350cc OHV Sports D.6.A. 350cc OHV Super Sports D.6.S. 500cc OHC Sports G.1. 1928 Models 349cc OHV Popular 349cc OHV Super Sports D.6.S. 500cc OHC Sports G.1. 349cc Calthorpe Speedway Special 1929 Models 349cc OHV Popular 500cc OHC Sports G.1. 350 cc Ivory Twin-Port
