Originally Posted by Yellow Pig
Any tip overs when you use oil?
Could be pouring oil down the crank case breather tube and burning it when dropped.
Other wise it might be the valve stem seals that are not seated properly.
No tip overs. Well, not every time.
I haven't taken the time to check the seals; been riding too much. I will, though. They may be seating, and unseating randomly.