HOPEFULLY tomorrow i will be gonig to pickup an lt250R.. i'm not sure what year it is but i know that it needs the powervalve and totally reassembled( which is a good thing cause i want to clean it REALLY good ) i was just wondering how much the powervalve would be for one of these and sicne this is my first 2 stroke what ratio and octane i should run for a ( i beleive) standard bore none modded (a.k.a. STOCK, very rarely heard word) lt250r