Exhaust Polishing

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

  1. Repooh

    Repooh Rarely Satisfied

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    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
     
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  2. Retired Phil

    Retired Phil Well-Known Member

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    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

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    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

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    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

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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

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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)
     
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  7. curly

    curly Noble Member

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  8. Dartplayer

    Dartplayer Crème de la Crème

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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

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    Anyone know why it says not for motorcycles on the Autosol packaging. Lots of people on here using it.
     
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  10. Richard James Malik

    Richard James Malik New Member

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    I must admit I was supprised, it shows a graphic of a motorcycle but in the description says not for motorcycles.. Bizzare
     
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  11. Tony Richardson

    Tony Richardson Active Member

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    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

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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 Well-Known Member

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    After years of favouring Solvol I’ve recently converted over to AutoGlym Metal Polish. Far superior product IMHO
     
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    Last edited: Dec 30, 2018
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