My uncle had a late 80's model, loved it. Raced it at the dunes and did trail riding. Here's some pages that might help:
http://en.wikipedia.org/wiki/Suzuki_LT250R
http://forums.atvconnection.com/suzuki/296125-lt250r-specs.html
Haha, I'm not in a big hurry to sell the engine right now. If it's not gone by summer-time or if I'm in a pinch then I'll part it out.. But until then...