Exhaust Polishing

Discussion in 'Bonneville' started by Repooh, Sep 12, 2018.

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  1. Repooh

    Repooh Rarely Satisfied

    Jan 5, 2018
    1,427
    1,000
    Stabby Town
    Exhaust polishing, not a metaphor for some dodgy shed based activity, but actual metal polishing.

    So I prefer the shiny steel colour of the downpipes, however like many exhausts the impurities of the metals leech out under heat and turn the pipes browny-goldish. So I use Autosol and polish them back to shiny steel.

    Question for you clever types is; will I damage, thin or compromise the pipes if I do this every couple of weeks
     
  2. Retired Phil

    Retired Phil Well-Known Member

    Jun 22, 2017
    211
    93
    San Rafael
    absolutely not. its just polish. dont know if you can get this where you are, but I use White Diamond polish few times a year. doesnt get headers back to silver, but evens out the brownish color at the first downward bend. i kinda like the color transition.
     
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  3. BigCLM

    BigCLM Senior Member

    Nov 30, 2017
    1,017
    243
    San Rafael, CA
    Not much you can do with the discoloration. Some like it, some don't. Only real way to stop it is to use chrome outer double-wall pipes like my old cruisers had. But not sure something like that is available for the street twin.
     
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  4. Rich Bryce

    Rich Bryce Dead Eye Dick

    Sep 18, 2015
    2,987
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    Bedford
    Autosol is fine. Harpic Power (has sulphuric acid in it) comes highly recommended for the job. Check it out on youtube.

     
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  5. Yorkshireman

    Yorkshireman Crème de la Crème

    Dec 12, 2015
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    I think the wife would have something to say if I told her I was going in the garage for a ( check the link):eek:
     
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  6. Dartplayer

    Dartplayer Crème de la Crème

    Aug 8, 2018
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    All the reading I’ve done points to blue job, so have ordered some (sent yesterday). I will do some before and after on my gallery of 2018 Speedmaster upgrades, after new chrome pipes started bluing (brown mottle is the start of the process)
     
  7. curly

    curly Noble Member

    Jul 3, 2016
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    Burton Upon Trent
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  8. Dartplayer

    Dartplayer Crème de la Crème

    Aug 8, 2018
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    Forgot about the pix, after photo shows mottle and bluing evened out to brassy tinge. Works for me with no abrasives. I see Blue Job comes in a larger tub new too

    2FF714B8-F1D6-4232-A516-D5404D3BB93E.png
     
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  9. Richard James Malik

    Richard James Malik New Member

    Jul 21, 2018
    6
    3
    Derby UK
    Anyone know why it says not for motorcycles on the Autosol packaging. Lots of people on here using it.
     
  10. Richard James Malik

    Richard James Malik New Member

    Jul 21, 2018
    6
    3
    Derby UK
    I must admit I was supprised, it shows a graphic of a motorcycle but in the description says not for motorcycles.. Bizzare
     
  11. Tony Richardson

    Tony Richardson Active Member

    Sep 15, 2018
    129
    43
    Norwich
    Years ago when I rode BMW boxer twins, I used to clean the front pipes on my new bikes when they were cooling down, just warm really, l cleaned them with Solvol Autosol, and the pipes remained a light straw colour, never did turn blue.
     
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  12. Cupoftea

    Cupoftea Noble Member

    Dec 16, 2018
    567
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    Stainless steel cream is what I use on my pipes, brings out the yellow and stains but has to be repeated monthly
     
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  13. Kinjane

    Kinjane Active Member

    Oct 15, 2017
    234
    43
    Bristol, Land of Enger
    #13 Kinjane, Dec 30, 2018
    Last edited: Dec 30, 2018
    After years of favouring Solvol I’ve recently converted over to AutoGlym Metal Polish. Far superior product IMHO
     
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