well i finally got to square off against a 800 doo today.they were a rev800,02 mxz800 and 97mach z.we ran on drag strip our local club holds races on.first run i spanked all three,not even close.2nd run the rev rider let his buddy run me with the rev.owner weighs approx.220 like me,his buddy 180 at best.guess what? beat the rev worse the 2nd time.they didn't want to run anymore after that,wonder why!!! lol.