This is a CR500 linked R.

ok, so if it has and offset to the right, its a cr500? sry, i dont know anything about 250r at all, so whats something that i could look at or measure to know if it is or not?
Yes..How ever is setting the shock up would need to know this. Just post a pic of the back of the R with the plastic off and I will tell you for sure what it is.and would the valving have to be done differantly if it was?