Hey guys. I just bought a 99 yz400f that has the wet sump oil conversion on it. I have ridden 2 strokes my whole life, and I am new to 4 strokes. I understand the cons of the wet sump system and probably wont keep this bike long enough to cause any damage. I will more than likely go back to a 2 stroke. I just couldn't pass up the deal I got on the bike. I need help on how much oil I should fill it up with now that it is a wet sump and what kind of oil is recommended. Thanks a lot.