ATV Oil, Lubrication & Filter Air filter Question May 21, 2015 Went to clean my air filter and found that it was beyond cleaning. I didn’t have one so I was going to move the bike out side but found that without the air filter it will barely run at all. Is this normal? It is a 2003 Magnum 330 2wd. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related