This website is the home and resource covering the
earliest history of Yamaha's thoroughbred racing motorcycles.
Later development is also included, showing how some of the forgotten Yamaha race bikes evolved into the models we are all familiar with.
The ancestry of the TZ and M1 begins here,
with 1957 Yamaha YD-A & YD-B
This is a private not-for-profit website based in the United Kingdom and all efforts are made to support any facts stated and credit images where used. If you believe any facts or wrong (or missing!) or pictures are incorrectly credited, please feel free to contact me and I will endeavour to correct the matter, thank you.