Sounds like you make have blown a gasket.
an oil leak
Without make model and year info this will contain a bunch of info you do not need.Many motorcycle air filters are a foam or gauze reuseable filter soaked with oil for proper filtrationMany two stroke engines using a paper filter will "spit back" at certain rpm. This means that droplets of fuel and oil will spit out of the carburetor into the air filter and stick to the surface.Many four stroke engines vent the engine crankcase into the air cleaner and as the engine wears it will begin to pass oil into the air filter making a mess. Usually a sign that the engine requires an overhaul.
Dirty air filter
No because oil filter i meant for oil to go on the filter air filter does not need oil
Coils and filter need cleaning.
oil leaking out of the muffer and the air filter oil leaking out of the muffer and the air filter oil leaking out of the muffer and the air filter oil leaking out of the muffer and the air filter
The air filter is under the gas tank
Which filter? Oil, gas, air, cabin, transmission?Which filter? Oil, gas, air, cabin, transmission?
Oil in an air filter is commonly caused by a bad PCV filter. Check the filter, and replace as needed.
No , the engine air filter and the engine oil filter are two different items
No, not on a normal air filter. But if it is an oil filter yes you apply oil to the filter.
Which filter housing? Air filter, oil filter, fuel filter?