i have a friend that had the cam mod,drag exhaust and some other goodies on his yfz . that puppy ran good !!!! good rider to, he was pulling 5.1 in 300ft drag. after my port job, with fmf's i was able to beat him by a bike or to . he is a better rider and that bike is strong !!! he just got a ice cube cyln.. but wont tell me how big. 1 reason im trying to put that 4 mill crank in !!! at least i always have the cub to move up to, if needed !!!!