Hi M8 Ive tried to get the best from the engine, before and after various external and internal mods I find the desmo "coughs" at between 8,500 and 9,000 and I always think that Im not gaining power after abaout 8,250 Trackdays I do pull 9,000 now and again but best to shift up at 8,000 Ive changed the front sprocket to 14 tooth from 15, hi comp pistons and a few other mods, but recommend changing at 8 1/2 thousand try it and see if it helps, 9 thou seems ott to me btw mines a 900ssie rgds mort |