if not would there be one out there that could be swapped in? i know you can swap anything into whatever with some fab work just curious if theres one that would roughly swap in.

 

no, never a 2 stroke version in that frame. Suzuki released the LT250R at the same time as the S model. The R frame is similar but longer, wider, and the motor mounts are different. I question if 2 stroke power would be wise in that frame, maybe a 125 would work out alright. A healthy 250 or better would not be anything it would be able to hold up to for long I wouldn't think.