Don Vesco always has been the Record man in Yamaha history, winning the first major races in the USA and later campaigning so many World Speed Records.

This 1973 machine was designed to go for the all-out land speed record for motorcycles and was powered by 2 turbocharged 750 ccm engines. I will give you later the technical details but I believe the engines were heavily tuned and enlarged XS 650 engines.

Don Vesco Yamaha streamliner