I got a cr 500 engine. what chassis??

[jarfly]

I have got a hold of a cr500 engine to day. I dont do the bikes but Id love to have this thing ina quad chassis. I am thinking 400ex? I dont plane on racing it or any thing just a really bad toy. Has any body ever done this? Also what kind of pipe do I have to use?

[frontline perfr]

we could get that motor in just about any frame u want .......