I got the oppisite (when my bike was stock) I jumped off the line (probably because KFX/Z/DVX is lighter than a Rappy) then he would pass me right about when I reached 3rd gear.

Stock KFX/Z/DVX makes about 29-31 horses.

 

in atv sport it says the the kfx only goes about 65 and the raptor goes about 73 to 75 so it wouldnt be close.

 

the kfx beats the raptor on top end cause the way it is geared. the raptor may beat it off the line cause it is geared low

 

what issue is the atv sport. cause there has been changes to the 05s like mine. bigger carb, one more cluch plate, resivor shocks and geared higher. so the 05s are faster than the later models