How can the piston ring of the air pump not burn engine oil?
Hello: the piston ring can not be matched first, that is, the gap of the ring can not be placed in the same place. I hope my answer can help you.
Hello: the piston ring can not be matched first, that is, the gap of the ring can not be placed in the same place. I hope my answer can help you.
Do not speak on the side, as long as the oil supply is normal, it will not burn the oil
