Yamaha RA97, 1964-1966, 125 ccm

The RA97 was an air-cooled twin with a bore and stroke of 44 x 41 mm and was used for the first time in June 1964. But immediately thereafter the second version was equipped with watercooling. The power went up from 28 PS to 30 and the last version had about 34 PS at 13.500/14.000 rom.

Yamaha RA97 125 ccm 1964