1993 KX 250/XR350-600R conversion. NEED HELP

Hey this is my first post so sorry if i mess up.

I am debating if this idea is possible. I was checking out craigslist and i found a 1993 Kawasaki KX/KDX 250 2 stroke for pretty cheap. Im a little to big for a 250 2 stroke so i was wondering if i could put a big bore 4 stroke engine in it. I want the weight, suspension, and maneuverability of a motocross bike but the power of a 4 stroke. My plan was to put an xr/xl/klx/dr/drz 350cc-600cc engine into the Kawasaki's frame. Since its converting from a 250cc 2 stroke- a 350 and up 4 stroke would i need to change the engine mounts, frame or anything like that for it to fight. It needs to be sturdy enough so that it doesn't snap or crack while riding it. If anyone has done this before or can give me some advice i would really appreciate it. Its summer time and i would like to get this project done asap so i can enjoy it as much as possible. :thumbsup:

Thanks everyone

Tanner Dechant

I want the weight, suspension, and maneuverability of a motocross bike but the power of a 4 stroke.

Here ya go, choose your favorite color! :confused::thumbsup:

2006CRF450R.jpg

2006-Kawasaki-KX450Fc.jpg

RMZ450_P.jpg

2006YZ450F.jpg

ktm-offroad-450-sx-f_1.jpg

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