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Oiled paper air filter?

Discussion in 'Technical and Troubleshooting Torque' started by Az01, Nov 28, 2005.

  1. Anyone know if paper air filters are ever oiled? I know foam filters are usually oiled. Just got my bike back from a service and for other reasons I ended up stuck on the side of the road, with a little probing I found my air filter soaked with oil, as my crankcase breather is vented straight down onto the ground I thought this was a little odd.
    Any thoughts?

  2. Paper filters are designed to be used dry, oiling them is only going to block airflow and/or cause it to fall apart. Possible that the mechanic may have stuffed up or it could be a K&N style oiled cotton filter, which often look like paper.
  3. My WRX uses an oiled paper air filter......It's a genuine Subaru one, too.