250R no question

 

I agree with the R. Someone posted that the 350x has the most power. I don't think that is the case, particularly when compared with the liquid cooled R's. I read a 1986 Dirt Wheels that did a comparison of the TriZ, Tecate, and the R. It came down to the R and the Tecate. They thought the Tecate was a bit faster through a track (probably because of the power valve), but was not as forgiving in the handling dept. They also rated the suspension on the R as the best.

Liquid R's are going for between 1200 and 2200 depending on condition (in the Midwest). Pretty much same for 350X. For reasons mentioned earlier (mainly finding parts and ease of modification) I would stay away from the TriZ and Tecate. If you don't want to work on it, get the 350X. If you don't mind replacing rings once in awhile or if you want to be able to modify it inexpensively, go with the R.

You can bid on several 200x's on ebay right now. If you can find one for under a grand that is in good shape, buy it.