Wrench Tip Wednesday: Air Filter Installation
Did you know an air filter is one of the most important components on a dirt bike? The purpose of it is to capture dirt to prevent it getting in the carb and sucked into the engine. So, it is kind of a SUPER BIG DEAL! A leaky air filter can cause premature wear, such as, top end components (piston and rings) wearing out sooner than they should
Glove up and let’s install an air filter properly. First off, a clean air filter is a must. If you install a dirty clogged filter, it can reduce performance and make the bike sluggish. Take your clean filter and apply foam filter oil to it. Lots of good ones out there – PJ1, Motul, Bel Ray, etc. Most oils can be purchased in two different ways aerosol or pourable. It is personal preference but we prefer to use aerosol spray because it allows control of the amount of oil applied to the filter. It is important to insure coverage of the entire filter, sometimes kneading the oil in is necessary. The oil helps catch the dirt so having too much is always better than not enough.
Now that the air filter is all oiled up, install your filter cage. The most vital step that is often forgot; apply a THICK BEAD OF GREASE around the rim. If this step is skipped you will guarantee yourself a leaky filter and premature engine failure. We recommend a good water resistant grease that has stability under high temperatures such as Lucas Red “N” Tacky Grease or Bel Ray Waterproof Grease.
It is time to install the air filter. Make sure it lines up with the filter box, to insure its 100% sealed. Now you are ready to ride!
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CHANCES ARE IF YOUR FACE LOOKS LIKE THIS SO DOES YOUR FILTER!