Model: Yamaha YDS3 Year: 1964-1967 Owner: Allan Shires
This model will probably be remembered for its use of Autolube lubrication of the engine. Produced from June 1964 to January 1967, the motor had a bore and stroke of 56x50mm giving a capacity of 246cc. With a compression ration of 7.5:1, it developed 28 bhp at 8000 rpm.

Photograph taken at the National Motorcycle Museum of Australia


Image courtesy Mike Kelley, Chapter President, Maryland VRAMaryland VRA