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What would cause oil to blow out the oil breather on a 92' Harley Davidson Fatboy?
Wiki User
∙ 15y ago
I have a 92 Tour Glide that was doing the same thing. It is most likely the oil pump check valve is either bad, stuck, or has build up of gunk on it. I took the external breather off and ran a long hose from it straight up, with the bike running and the breather on the end of the hose until it stopped blowing out. Then I changed my oil. Hope this helps. There is a Plug by the back push rods, remove the plug there is a screen under the plug. Clean the screen and reinstall it. this will fix you problem.
Wiki User
∙ 15y ago
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