I have just bought i used ZR 900 with timing key,ported, CPI twin pipes and kick ass filters. In this condition the dyno says 183hp on 98oct (euro spec)pump gas-the seller also included a BM billet head, and together with racing fuel it adds on 15hp. I will probably never put that one on-to mutch to hazzle with rejetting and adjusting the clutch to feel any difference...
The short test runs so far shows exellent performance! My first plan was to buy a >-04 F7, but then i came across thisone, and no regrets-until the first breakdown that is