1972 Yamaha R5 350 Yamaha released its first 350 in 1967, the YR1, followed by the YR5 or “R5” made from 1970 to 1972. Wrapping what they learned on the road race courses around the world and on the street into the R5, they made a motorcycle that excelled in handling and engine performance. During the late 1960’s Honda and Yamaha confirmed they were one and two in Japanese motorcycle manufacturing. But until 1968 and the release of the XS-650 OHC parallel twin, Yamaha took exclusively the two-st