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CVO Technical => Cleaning/Detailing => Topic started by: hogasm on October 14, 2008, 10:14:31 AM

Title: Rust stain on cylinder head
Post by: hogasm on October 14, 2008, 10:14:31 AM
The spark plug in the rear cylinder head decided to rust. In it's path is a horrible rust stain on the silver powdercoat.

Any ideas on how to remove it :nixweiss:

I have tried;
Brake cleaner both on a cloth and directly sprayed on the stain
W-D 40
S-100 engine brightner
CRC cleaner/degreaser
Easy Off Oven Cleaner...removed the powdercoat but not the stain

Title: Re: Rust stain on cylinder head
Post by: miker on October 14, 2008, 10:17:19 AM
CLR rust remover?  As seen on TV, maybe available at a kiosk in some mall some where or true value hardware....
It worked on some stuff I had but not he same application as HD cylinder head..Good luck
Title: Re: Rust stain on cylinder head
Post by: hogasm on October 14, 2008, 10:29:33 AM
CLR rust remover?  As seen on TV, maybe available at a kiosk in some mall some where or true value hardware....
It worked on some stuff I had but not he same application as HD cylinder head..Good luck

Did not try that. Use it on fiberglass on the boat and it works great.
Title: Re: Rust stain on cylinder head
Post by: porthole on October 14, 2008, 11:03:24 AM

Easy Off Oven Cleaner...removed the powdercoat but not the stain


You didn't really put OC on Kathy's bike  :o
Title: Re: Rust stain on cylinder head
Post by: miker on October 14, 2008, 11:35:31 AM
Did not try that. Use it on fiberglass on the boat and it works great.

Why try something that you know works?   :D

Silly boy, you on the Zacapa train?  ;) :)
Title: Re: Rust stain on cylinder head
Post by: icybay on October 14, 2008, 11:41:02 AM
Ospho, you should already have a spray bottle of that on the boat anyway along with the WD40 and the vice grips
Title: Re: Rust stain on cylinder head
Post by: Jock on October 18, 2008, 08:54:55 PM
The spark plug in the rear cylinder head decided to rust. In it's path is a horrible rust stain on the silver powdercoat.

Any ideas on how to remove it :nixweiss:

I have tried;
Brake cleaner both on a cloth and directly sprayed on the stain
W-D 40
S-100 engine brightner
CRC cleaner/degreaser
Easy Off Oven Cleaner...removed the powdercoat but not the stain



Well it appears the W-D 40 did not work...Let me know what you find out on the CLR.  I still have not cleaned the bike from Naitram's ride.
Title: Re: Rust stain on cylinder head
Post by: Sean M Cary on October 19, 2008, 08:17:16 AM
Did not try that. Use it on fiberglass on the boat and it works great.

used to use Iron Out when we had sprinklers in So Florida - works for clothing and a bunch of other stuff also.
Title: Re: Rust stain on cylinder head
Post by: hogasm on October 19, 2008, 10:39:35 AM
used to use Iron Out when we had sprinklers in So Florida - works for clothing and a bunch of other stuff also.

Is that muriatic acid or oxalic acid :nixweiss:
Title: Re: Rust stain on cylinder head
Post by: Sean M Cary on October 19, 2008, 12:25:17 PM
Is that muriatic acid or oxalic acid :nixweiss:

dunno - will have to see if we have any here... wife is not sure, we used to use it a lot in the wash keeps the whites from getting dingy yellow when you have rusty well water

Jacksonville water (that we have at least) doesn't seem to cause rust stains like Florida did.

http://www.summitbrands.com/brands/ironout.aspx

Maybe you can get an MSD on it?
Title: Re: Rust stain on cylinder head
Post by: Jock on October 19, 2008, 06:02:54 PM
I am looking at the Super Iron Out Label and this is what is on the bottle...

"Contains sodium hydrosulfite ans sodium bisulfite." 

I use it in the toilet bowls to remove water stains.  Have not tried it on the bike.
Title: Re: Rust stain on cylinder head
Post by: hogasm on October 19, 2008, 06:26:26 PM
I am looking at the Super Iron Out Label and this is what is on the bottle...

"Contains sodium hydrosulfite ans sodium bisulfite." 

I use it in the toilet bowls to remove water stains.  Have not tried it on the bike.

Well give me a report on how it works on your little stain :2vrolijk_21:
Title: Re: Rust stain on cylinder head
Post by: hogasm on October 19, 2008, 06:27:20 PM
Well give me a report on how it works on your little stain :2vrolijk_21:

Waiting
Title: Re: Rust stain on cylinder head
Post by: Fired00d on October 19, 2008, 06:28:34 PM
Well give me a report on how it works on your little stain :2vrolijk_21:
We a little apprehensive after the ov................... :huepfenlol2: :huepfenlol2:

 :pumpkin:
Ride Safe,
Fired00d
 :fireman:
Title: Re: Rust stain on cylinder head
Post by: Jock on October 19, 2008, 06:29:07 PM
Let me go out to the garage and give it a try...
Title: Re: Rust stain on cylinder head
Post by: hogasm on October 19, 2008, 06:40:24 PM
We a little apprehensive after the ov................... :huepfenlol2: :huepfenlol2:

 :pumpkin:
Ride Safe,
Fired00d
 :fireman:

Don't have it in my arsenal of cleaning supplies

If it works...then we will add another thing to the arsenal
Title: Re: Rust stain on cylinder head
Post by: Jock on October 19, 2008, 06:40:55 PM
Don't waste your time and money on that one...did not work for me.  I also have Rust Aid..."Contains Oxalic Acid...mmm
Title: Re: Rust stain on cylinder head
Post by: hogasm on October 20, 2008, 07:43:20 AM
Don't waste your time and money on that one...did not work for me.  I also have Rust Aid..."Contains Oxalic Acid...mmm

Oxalic acid is what is in boat hull cleaner. Does a great job cleaning water and scum lines off the hull.

Don't know what it will do to PC
Title: Re: Rust stain on cylinder head
Post by: Spoiled! on October 20, 2008, 10:10:48 AM
You didn't really put OC on Kathy's bike  :o

No we definitely learned our lesson on that one! Although I did clean the boot marks off the SG exhaust and it did a very fine job. The trick is, don't spray it anywhere except on the rag and keep it off powder coated parts.

I sprayed that S100 corrosion preventative on it and then a couple of days later I noticed the stain. I thought maybe the corrosion stuff had burned on there but then Brian looked at the spark plug and it had corroded around the rim causing the rust. I used that same stuff on the SG with no problem, but then the engine was black so it may have stained it, I just didn't see it.
Title: Re: Rust stain on cylinder head
Post by: Spoiled! on October 20, 2008, 10:11:30 AM
Ospho, you should already have a spray bottle of that on the boat anyway along with the WD40 and the vice grips

We definitely have plenty of that stuff sitting around the boat garage
Title: Re: Rust stain on cylinder head
Post by: Jock on November 23, 2008, 08:12:47 PM
Did you ever get that stain out and if so how?
Title: Re: Rust stain on cylinder head
Post by: hogasm on November 24, 2008, 03:01:36 PM
Did you ever get that stain out and if so how?

no
Title: Re: Rust stain on cylinder head
Post by: spydglide on February 16, 2009, 05:30:08 PM
no
might have to cover it up with some of the finned covers to match your silver motor.  :nixweiss:  spyder
Title: Re: Rust stain on cylinder head
Post by: Twolanerider on February 16, 2009, 10:33:16 PM
might have to cover it up with some of the finned covers to match your silver motor.  :nixweiss:  spyder


Or with a little piece of duct tape.  He's always got some with him.







(hmmmmm, the silver might even match?)
Title: Re: Rust stain on cylinder head
Post by: Jock on February 18, 2009, 10:25:49 PM

Or with a little piece of duct tape.  He's always got some with him.







(hmmmmm, the silver might even match?)

Why didn't I think of that!

(http://www.gapingvoid.com/0809damn.jpg)