Rancher Air Box Question
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Oil gets sucked up through the crankcase vent. The vent is the little square thing on the side of the airbox with a piece of foam in it. If your air filter is really dirty, when you remove it you will notice that the vent will leave a little square clean spot on the filter. If you trace the hose coming from it, it goes down to the engine. I think during rough riding, oil gets splashed around, and some ends up in the vent hose. The Recon does the same thing, but to a lesser degree.
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