Thanks. Heard that the NUS racing team uses a CBR600 F4i engine and churn out more than 100h/p!!! Wonder how they do that... This is the link: http://serve.me.nus.edu.sg/fsae/specifications.htmOriginally posted by RedSuns4:first of all the 600rr don't have a slipper clutch in the stock machine. you can get honda spares parts from eversucess or FJT . Don't know where .... look into the yellow pages . The stock h/p for 600 is under 100 and for the rr is under 110 . And there's no turbo