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Thread: '09 1125 clutch cover upgrade to '10 spec

  1. #11
    Senior Member Cooter's Avatar
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    Whats normally in it? A Banjo? Whats in it now? A straight fine-threaded plug with a little copper gasket would be easy and clean. If you try to jam a MPT plug in there the threads will be ruined immediately and possible cracks and damage to the passage in the head as well

  2. #12
    Senior Member Mesozoic's Avatar
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    Quote Originally Posted by Cooter View Post
    Whats normally in it? A Banjo? Whats in it now? A straight fine-threaded plug with a little copper gasket would be easy and clean. If you try to jam a MPT plug in there the threads will be ruined immediately and possible cracks and damage to the passage in the head as well
    I reckon there's a press-fit tube in the head right now - the mechanic just used a short piece of the original hose assembly and plugged it with a bolt and a crimp-on clamp to attempt to seal it.

  3. #13
    Senior Member Cooter's Avatar
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    Sounds classy. A real Harley guy. Haha.

    The right way would be to take the tube out, tap the hole and seal it with a plug and a gasket.

    The easy way is to stick something other than a random bolt in the hose. Bolt threads aren't meant to seal pressure (obviously now, right?). Use something meant to seal against liquid pressure and will take the heat. A brass barb fitting to cap, a flared tube thats sealed, not a straight rod though, because you need a flare to stop it from spitting out of the hose and let all of your engine oil drain all over the exhaust and rear tire.



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