will that swap work on the 350x lots of guys are putting ideas into my brain to do that. and i was wondering if it would work good. i know anything is possible cutting the frame and putting it in, but litterally ill be destroying the ATC.

 

That would be sweet! I see frames on ebay all the time for less than $100

I'm sick of redoing top ends on my 250r. Would like to find a 450r engine or get 310 kit.

 

I would do that, get a frame and build one. I wouldn't kill that VERY nice 350X you have, for some freak creation.

 

people used to sell kits for XR500 trikes and the frames were aftermarket. handled like crap but it was a tractor. id say a CRF450 would be more than enough and scrawny posted a CRF equiped 250r. said it worked great.

 

you have to use the xr650 frame it makes it much easier. i did the same thing with a 200x. only 200x parts i used was the triple clamps the rear axle and swing arm i extended. swing arm bolts up perfect in the xr650 frame. 200x front tire and fender with xr600 front forks they work in the 200x triple clamps. i`ll post pictures soon