Hey you'd have trouble performing if you couldn't breathe too! Your bike runs better and longer with less maintenance if you keep what's going into it clean. Your filter should be properly cleaned every ride!
HOW TO: CLEAN AN AIR FILTER
Note: Mechanic is shown working without work gloves, this is not good practice! You should always wear some sort of work gloves when working with hazardous chemicals.
STEP 1: Remove Filter Remove the filter being careful not to drop any dirt into the carburetor boot.
STEP 2: Clean Filter Soak filter in a type of solvent [Soap and Water, Simple Green or Air Filter Cleaner] in a tub for 3-5 minutes. Work out any trapped dirt or particles. The most important thing is that the inside of the filter is free of any particles whatsoever.
STEP 3: Clean Airbox While filter is soaking: clean air box (make sure to remove the grease off air box sealing surface) and filter cage.
STEP 4: Rinse Filter Rinse Filter with warm water. Make sure all dirt particles are removed. Repeat step 2 if necessary.
STEP 5: Dry Filter Use Compressed air or leave in clean area to air dry.
STEP 6: Oil Filter Soak filter in filter oil. Squeeze excess oil out of the filter so that a light coat of oil remains. Apply light coat of grease on seating surface.
STEP 7: Install Filter Install the cage in filter and install filter into airbox. Apply light coat of grease on seating surface. Before installing check carburetor boot for dirt. Clean any grease off of airbox so that it won't collect dirt. You'll ride better with a bike that breathes properly.