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  1. #1

    Join Date
    Nov 2013
    Posts
    6

    Default 92 Fat Boy 2nd oil filter?

    I recently got a 92 fat boy that has what appears to be a second oil filter that goes into the engine case. The normal filter is still there in the right spot so I have no clue what this is for.
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    Has anyone seen this before? I'm trying to find a filter that'll fit but it's such an odd size I might just remove it and plug the hole.

  2. #2
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    Quote Originally Posted by kconn04 View Post
    I recently got a 92 fat boy that has what appears to be a second oil filter that goes into the engine case. The normal filter is still there in the right spot so I have no clue what this is for.
    Click image for larger version. 

Name:	bJzPilH.jpg 
Views:	1 
Size:	145.1 KB 
ID:	108583
    Click image for larger version. 

Name:	AF34p5Z.jpg 
Views:	1 
Size:	137.1 KB 
ID:	108584

    Has anyone seen this before? I'm trying to find a filter that'll fit but it's such an odd size I might just remove it and plug the hole.
    Itís a case breather vent filter. Itís not an oil filter

  3. #3
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    That is what is left of a crankcase breather hose filter.

    Your best course of action is to discard that filter base and just leave the hose open to the atmosphere. It will breathe better without the filter. DO NOT plug that hose, or you will have oil leaks from Hell.

    I usually just tie the hose off to the lower right frame rail, so that any oil mist that comes out doesn't get on the tire.

    Jim

  4. #4

    Join Date
    Nov 2013
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    Thanks so much Jim. Guess it's a little different on older evos cause my 95 doesn't have this. And yeah I don't like the look of that base so I'll do something like you said.

  5. #5
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    Its not a stock item, people add them.

  6. #6
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    1995 is a head breather. You’re correct.

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