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  1. #1
    wrennie's Avatar
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    Aluminium Cleaning

    Morning all, i'm in the process of rebuilding my Gp 1300r and the cylinders and exhaust look horrible,whats the best way to clean them so they look like brand new....?
    Last edited by wrennie; 09-05-2008 at 03:21 AM. Reason: spelling


  2. #2
    CHICKA WAH WAH bren's Avatar
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    hehe you got my attention when you spelt aluminium correctly

    we're talking outside of cylinders I presume?

    so, start with a 360 grit wet paper and slowly work your way down to 800 (down? kind of up I suppose)

    then finish off with a metal polish (do you have autosol??)

    a lot of elbow grease mate, but you will have the schmickest shiny bits around

  3. #3

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    Quote Originally Posted by bren View Post
    hehe you got my attention when you spelt aluminium correctly

    we're talking outside of cylinders I presume?

    so, start with a 360 grit wet paper and slowly work your way down to 800 (down? kind of up I suppose)

    then finish off with a metal polish (do you have autosol??)

    a lot of elbow grease mate, but you will have the schmickest shiny bits around
    well he is right i wouldn't polish them if it was me. if your getting a lot of corrosion i would paint it instead.
    i would sand it then paint it paint doesn't like to adhere to supper smooth stuff.

  4. #4
    cheatin' piston popper addicted's Avatar
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    mask them, have them bead blasted, and then paint with zinc chromate primer and a marine grade paint. I had good luck with Mercury phantom black. it's made for outboard lower units. but I don't know what is available on your side of the pond the zinc chromate primer is crucial because it etches the aluminum.

  5. #5
    wrennie's Avatar
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    Thanks guys,never understood why my 760 was painted from the factory,but my 1300 is not, ally looks good new but goes off so fast....!
    Last edited by wrennie; 09-05-2008 at 12:02 PM. Reason: spelling

  6. #6

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    Quote Originally Posted by addicted View Post
    mask them, have them bead blasted, and then paint with zinc chromate primer and a marine grade paint. I had good luck with Mercury phantom black. it's made for outboard lower units. but I don't know what is available on your side of the pond the zinc chromate primer is crucial because it etches the aluminum.
    how do you think por 15 would do on it?

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