Interesting, news to me, thanks for the pointer. It appears to be an effort headed by Ohlins and fitted to an R1 test vehicle. Take a look here: http://www.motorcycle-usa.com/2009/08/article/yamaha-r1-ohlins-2wd-review/yz454 said:Beside the fact that Yamaha developed the hydraulic front drive years ago . But could not justify production .
Paul