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  #1  
Old 4th October 2018, 09:28 AM
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Biker.ie Member No. 9019 from dublin
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Motorbike: Braaap
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Default Exhaust cleaning

Pipework looking a bit sorry for itself lately. Has anyone used Harpic on their headers etc to clean them down?

Last edited by noob-saibot; 4th October 2018 at 09:31 AM.
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  #2  
Old 4th October 2018, 09:34 AM
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Biker.ie Member No. 34969 from Cork
1,469 posts since Jul 2015
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Default Re: Exhaust cleaning

I haven't personally but seen quite a few videos on the youtubes and seems to do wonders.

PS: TOASTY!
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  #3  
Old 4th October 2018, 09:55 AM
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Biker.ie Member No. 33993 from Naas, Co.Kildare
2,003 posts since Oct 2014
My Motorcycle Pics Motorbike: R1200GSA
Modifications: 21st of ballast!!!
Default Re: Exhaust cleaning

I've done it.

It works.

Get the thickest Gel stuff........(Harpic extreme or something it's called)

Google it and find out which one.
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  #4  
Old 4th October 2018, 09:59 AM
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Biker.ie Member No. 9019 from dublin
4,307 posts since Mar 2008
Motorbike: Braaap
Modifications: More braaap's
Default Re: Exhaust cleaning

Aye, the black bottle is what everyone seems to use. And it's fine to get splashes on the engine paint and swingarm etc?
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  #5  
Old 4th October 2018, 11:06 AM
proto proto is offline
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554 posts since Apr 2011
Motorbike: CBR1100XX3, CBR900RRW
Default Re: Exhaust cleaning

Harpic is acidic and stick, so try not get it on anything else. It's not as acidic as vinegar or lemon juice, but it could still eat into stuff.
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  #6  
Old 4th October 2018, 11:09 AM
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Biker.ie Member No. 31649 from Dublin 5
1,233 posts since Jun 2013
Motorbike: Suzuki GSXR750 K8
Modifications: Many Mods how I like it!
Default Re: Exhaust cleaning

Due diligence would say to cover up any exposed paintwork/wheels mudguard etc.

Same as brake fluid.
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  #7  
Old 4th October 2018, 11:16 AM
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Biker.ie Member No. 9019 from dublin
4,307 posts since Mar 2008
Motorbike: Braaap
Modifications: More braaap's
Default Re: Exhaust cleaning

Cool, bin bags at the ready so
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  #8  
Old 4th October 2018, 02:05 PM
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Biker.ie Member No. 15069 from Here n there
3,268 posts since Mar 2009
Motorbike: 98 fireblade
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Default Re: Exhaust cleaning

Chrome exhaust?? Coke and tin foil... apperantly...
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  #9  
Old 4th October 2018, 02:10 PM
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Biker.ie Member No. 19392
12,854 posts since Nov 2009
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Default Re: Exhaust cleaning

What are the headers made from?
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  #10  
Old 4th October 2018, 02:44 PM
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Biker.ie Member No. 9019 from dublin
4,307 posts since Mar 2008
Motorbike: Braaap
Modifications: More braaap's
Default Re: Exhaust cleaning

Originally Posted by Gixxer
What are the headers made from?
Stainless 304 apparently
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  #11  
Old 4th October 2018, 02:50 PM
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Biker.ie Member No. 33993 from Naas, Co.Kildare
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My Motorcycle Pics Motorbike: R1200GSA
Modifications: 21st of ballast!!!
Default Re: Exhaust cleaning

I had the headers off the bike at the time.

I have 2 sets.......and rotate them!!

(bonkers......I know)
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  #12  
Old 4th October 2018, 02:53 PM
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Ritz & Tuc crackers rock!
 
Biker.ie Member No. 33993 from Naas, Co.Kildare
2,003 posts since Oct 2014
My Motorcycle Pics Motorbike: R1200GSA
Modifications: 21st of ballast!!!
Default Re: Exhaust cleaning

There's a lad up around Drogheda that does metal polishing if you really want to treat them to some love!!!!
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  #13  
Old 4th October 2018, 02:55 PM
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Ritz & Tuc crackers rock!
 
Biker.ie Member No. 33993 from Naas, Co.Kildare
2,003 posts since Oct 2014
My Motorcycle Pics Motorbike: R1200GSA
Modifications: 21st of ballast!!!
Default Re: Exhaust cleaning

Originally Posted by Mr Snapped Banjo String
Chrome exhaust?? Coke and tin foil... apperantly...

That sounds like a party I was at once!!
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  #14  
Old 4th October 2018, 02:55 PM
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 9019 from dublin
4,307 posts since Mar 2008
Motorbike: Braaap
Modifications: More braaap's
Default Re: Exhaust cleaning

Originally Posted by cracker boy
There's a lad up around Drogheda that does metal polishing if you really want to treat them to some love!!!!
Fuck that, still gotta use the thing daily!
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  #15  
Old 4th October 2018, 03:11 PM
proto proto is offline
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554 posts since Apr 2011
Motorbike: CBR1100XX3, CBR900RRW
Default Re: Exhaust cleaning

Coke is just acid and sugar so don't bother. Use vinegar instead.
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  #16  
Old 4th October 2018, 04:50 PM
Dymag Dymag is offline
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Biker.ie Member No. 36943
111 posts since Feb 2017
Motorbike: ZX12r, 7/11 Streetfighter
Default Re: Exhaust cleaning

Originally Posted by cracker boy
I've done it.

It works.

Get the thickest Gel stuff........(Harpic extreme or something it's called)

Google it and find out which one.
you mean the toilet cleaner??? how exactly do you use it??
coat it? leave it sitting?? scrub it???
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  #17  
Old 4th October 2018, 04:59 PM
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Biker.ie Member No. 36294 from the big smoke
2,827 posts since Jun 2016
Motorbike: bicycle
Modifications: big belly
Default Re: Exhaust cleaning

Autosol is great on headers
Plus a bit of elbow grease
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  #18  
Old 4th October 2018, 05:06 PM
Blueb6 Blueb6 is offline
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Biker.ie Member No. 35390 from Clare
297 posts since Oct 2015
Default Re: Exhaust cleaning

Yep autosol, start with fine sandpaper then steel wool, for headers only tho, don't go scratchin the shite out of the cans
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  #19  
Old 4th October 2018, 05:51 PM
dec c dec c is offline
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Biker.ie Member No. 33197
1,443 posts since May 2014
Motorbike: zx10
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Default Re: Exhaust cleaning

Wouldn't be wasting my time with anything other than scotch brite pads
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  #20  
Old 4th October 2018, 05:55 PM
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Gixxer Gixxer is offline
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Biker.ie Member No. 19392
12,854 posts since Nov 2009
Motorbike: NSU Quickly
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Default Re: Exhaust cleaning

Originally Posted by dec c
Wouldn't be wasting my time with anything other than scotch brite pads
They're the only option worth mentioning really. You'd have the job done in 1/4 the time.
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