The YA-6 was a 125cc, single cylinder, 2-stroke, streetbike produced by Yamaha beginning in 1964. It was known by the moniker "Santa Barbara".
This motorcycle introduced the innovative Yamaha "Autolube" oil injection system, which eliminated premixing two-cycle oil and gasoline. Yamaha was the first motorcycle manufacturer to use oil injection. Later in '64, Yamaha was recognized for this innovation when Auto & Motor Sport Magazine gave Yamaha their "Safety & Engineering Award."
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