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head gasket
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  1. Sportster General Discussions
    I have a 91 sportster 1200 I put an after market air cleaner on it after it was sitting for 3 years. After I put it on I noticed a air/oil leak from both heads. I ran with it on for a couple days and started getting a ping in the motor. I removed it today now I don't have the ping anymore but...
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