What are the advantages of changing air filter in bikes?

makes it run alot better , better mileage.|||if you don%26#039;t change the filter, and you let it clog so bad it%26#039;s like your hands , place them around you neck and apply pressure enough where you can%26#039;t breath!! could you run around and be efficient_____NO YOU CAN NOT!!!! thats what you engine will go through and use more gas more oil and loss of horse power!!!|||clean oil better air/gas mix ,giving the best perfomance ,and a longer engine life.but if its a jap bike ,keep it clogged with that old filter . need to choke them rice burnin, kid killers, they only good for 1 thing........ well no , nothin good about them at all .be sure to drain the oil in it too they run so much faster without oil. harley%26#039;s USA and,.... ok ,ok ....sry im done but hope i help you out take care|||There is no advantage. Just leave it in there and keep on riding. You will get many many years of service from your bike.