This mite sound like a stupid ? but my rear tires on my 250r are leaking like crazy, I've tried re-pluging them and i think there is a small slit on each of the side walls causeing a slow leak. Anyways the current tire size on there is 20-11-9, I have s complete spare set of 300ex tires and rims from my 250x so I was gonna take the rear tires 22-10-9's that are already mounted and thow them on my 250r. Will it damage my machine? How will it affect the performance? The reason I just didn't go out and get new tires is beacuse I just pulled out $360 for a shock rebuild and new spring and I still want to pick up a set of nerfs. Any other ideas?