Velocette KTP
For 1930, road-going ‘cammies’ were just the KSS and the KTP. The ‘TP’ stood for ‘Twin Port’, much in fashion at the time, while there was also coil ignition (hence the different shaped timing chest) and electric lights as standard. Beset by ignition and performance problems (relating to the re-engineered head) it was dropped in 1931