Originally Posted by DRjoe
Is it the lack of oil in these machines what makes them need oil changes so soon.
say if the engine held twice as much oil would the oil last twice as long?
It should be fairly easy to fab up a bigger sump or tank for the oil plus fitting a cooler would help things out a bit.
more oil with an oil cooler should space your change intervals out abit. If you are going to do distance, gear the bike for it and cruise at 5-6k rpm. No need to pull the ear all the time!