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  1. #21
    Thanks. I do a lot of motorcycle work, so I am very comfortable working with aluminum sealing surfaces. The white is the softest bristle disk. I don't like the little round scotchbrite disc pads, those really are easy to gouge with. The roloc works really well, just keep it spinning fast, use a light touch, and keep it moving. Works well on large flat surfaces like the manifold. I finish with a whetstone usually. I do use glass, but usually only on cylinder head surfaces. On smaller surfaces like the exhaust ports of the head I use the stone only. The metal there is too narrow to avoid going too deep, even with the bristle disk. I just wasn't sure if that was just basic paint, motorcycles aren't designed to run in water, lol.

  2. #22
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    Quote Originally Posted by rmoore0852 View Post
    Thanks. I do a lot of motorcycle work, so I am very comfortable working with aluminum sealing surfaces. The white is the softest bristle disk. I don't like the little round scotchbrite disc pads, those really are easy to gouge with. The roloc works really well, just keep it spinning fast, use a light touch, and keep it moving. Works well on large flat surfaces like the manifold. I finish with a whetstone usually. I do use glass, but usually only on cylinder head surfaces. On smaller surfaces like the exhaust ports of the head I use the stone only. The metal there is too narrow to avoid going too deep, even with the bristle disk. I just wasn't sure if that was just basic paint, motorcycles aren't designed to run in water, lol.
    Should be fine then, just treat it like a cylinder head that uses a single layer gasket.

    Sean

  3. #23
    While you got it disassembled, check the exhaust the pipe and manifold for other leaks by using a hose pipe connected to one of the nipples.

    If the exhaust pipe is not too corroded, I would clean it up and replace rings and blue coupler.

    There could also be corrosion on the internal pipe of the waterbox, be careful with this part. I would replace it with a second hand one in better condition. If this part doesn’t function correctly, you are guaranteed water in your exhaust pipe and then eventually into your engine.


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