Crf250r vs yz125

both riders weigh about 160 pounds,

2004 yz125 mods: 14.8:1 high compression race piston, 114 race gas, uni air filter, all stock other then that.

2007 crf250r mods: pro circuit exhaust and head pipe, and twin air filter.

Who do you think will win in a race? all stock gearing.