Saturday, November 19, 2016

Yamaha GL750 prototype

Here we have the Yamaha GL750 prototype, this is a fourcilinder two stroke. It was launched at the Tokyo motorshow in 1972. It had a two-stroke injection system which was also a prototype item for snowmobiles. It never reached production stage. Yamaha destroyed the prototype according to the German intenetsite 
For more pics see
Yamaha GL750
For more infomation see
Classic Yams - GL750
And (in German language) - GL750

Sunday, November 6, 2016

Stredor boxer sidecar racing engine

Here are some pictures of the Stredor, a work of art made by Egbert STREuer and Rinus DORgelo. This machine was on display at the Speedshow in Cafe Hofsteenge in Grolloo The Netherlands december 2006. It is a two stroke boxer sidecar racing engine with 200 hp. First they used Honda and Yamaha cilinders, at the final version Aprilia.  
For more pics see