stock they will go about 45-50miles an hour stock
it doesn't go, because it's a honda.
70 to 80mph.
it will run 72 mph
400ex does 60 tops.
my 06 topped out at about 50
45 mph max
Depends how much money you want to invest into it.
i say 80 to 85
Here you go: http://images.powersportsnetwork.com/fiche/images/Honda/2005/ATVs/2767_CARBURETOR.gif
mine is basically stock and tops out at 70 mph
A Honda 250 recon will top out at 48 mph