"a friend" told me his 690 Duke will do a few mph over a tonne, with ducking head down a bit to reduce wind drag.
What do other people's friends' bikes get up to in terms of top speed on the new Duke?
I know what you're thinking why not buy a cheaper bigger bike and get a better resale on your DUKE 125? But I'm an engineer so I can't resist :P
First off I was thinking of buying a used small diesel turbo. Then disassembling, removing the turbine. I would then be able to power the shaft and...