Yamaha YAS 1   3.44 average rating for 2 Yamaha YAS 1 model variants.

Yamaha YAS 1 model overview

Yamaha YAS 1 models include the 2 motorcycles below produced from 1970 to 1971. The 1971 Yamaha YAS1 motorcycle is used as an example on this page. It has a 125 ccm twin engine. The category is classic. Our visitor's rating for this model is 3.4 out of 5 with 4 votes. See the model variants below for more rating details.

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Engine and transmission
Displacement	125.0 ccm (7.63 cubic inches)