400ex?

[tp300ex]

is there any motor out there that will go into the 400ex frame with out much or any mods?!?! i was thinking myb a 250r motor but idk?

[XR650]

all conversions will require some cutting and fab, thats just the game,
here's one of mine, XR650L in 400ex

[theTman]

thats a nice hybrid...but why didnt you run the exhuast the regular way, unless you drag race that pipe is going to get bashed pretty hard

[XR650]

It's a sand-drag only bike