Originally Posted by
ChinaV
It's an automatic oil changer. By not having enough oil, you keep adding oil, that way you always have fresh oil going into the bike. But seriously... I've been on a few rides with single cylinder four strokes that would blow through a couple hundred cc's of oil during long days at high speeds (110-135kmh). Make sure you're checking the level with bike sitting up straight on level ground.
Yes, you should buy something bigger if you're going to pull long days on the road @ 100+ kmh.