Why Is Oil Coming Out Of My Air Filter On My Motorcycle? [Solved]

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Why Is Oil Coming Out Of My Air Filter On My Motorcycle? [Solved]

Couple this with worn out piston rings or oil seals, the oil gets pulled by the vacuum in the air flow passage. This can cause the oil to flow from the crankcase all through to the air filter. As a consequence, you might see engine oil dripping from the filter at times when the filter is too dirty and clogged up.

Engine oil inside air filter box | Sudden drop of speed in bike

Engine

DOC HARLEY: LET’S PUT AN END TO OIL IN YOUR AIR CLEANER

Doc Harley

What the hell is a crankcase breather?

In this video TJ breaks down all you need to know about the crankcase breather On a Honda VT750.