Title pretty much says it all. I had so much oil coating the bottom of my engine from the after market filter cup, I never thought about the dip stick tube. I put a stock filter set up on it and it's much better, but not dry. I'm getting just a couple of drops overnight. I wiped the surfaces down after changing the oil, but I can't get it tight enough to stop altogether. Does the plastic need replacing? Is my setup aftermarket, like everything else on this bike? Thanx, Dave