cool. I built a street fzr4/6 back in 2001, had to part her out to go racing with my fzr400 in 2005, but it was fun(except using pod filters and trying to tune the carbs....) you plan on making it a streetbike or trackbike? I manufacture an all aluminum racing only, front fairing stay for the FZR400(US spec 88-90 only) that utilizes the stock guages(sans speedo), and I just sold one to a guy in Cali who is putting on TZ250 bodywork. let me know if u are interested in one. also I know how to use the fan with the FZR600engine and rad in the FZR400.