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Hello: My friend has a 2004 Heritage with a special build 124" Harley 88" twin cam. It is pushing oil out of the breather tub at an alarming rate. what might cause this? It has PM special rocker boxes that was supposed help prevent the build up of crank case pressure but hasn't stop the prob. Any ideas would help.
 

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nitro freak
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possibly motor sumping (what kind of rocker boxes does this motor have?)
 
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