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The 1964 Honda RC164 four is a little bit lower and lighter than its predecessor [[Honda RC163|RC163]]. Power output is increased to 48 bhp at 14,000 rpm, red line at 15,000 rpm. No further changes. | [[Image:1963 Honda RC164.jpg|200px|thumb|right|1963 Honda RC164]] | ||
The 1964 Honda RC164 four is a little bit lower and lighter than its predecessor [[Honda RC163|RC163]]. Power output is increased to 48 bhp at 14,000 rpm, red line at 15,000 rpm. No further changes. This 1963 World Championship 250cc GP machine | |||
featured transistor ignition, modified camshafts and other improvements and was the final version of 1st GP era's 250cc 4-cylinder engines. It won a double title. | |||
Ulster GP winner. Rider: No.1 Jim Redman | |||