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cm91steve
Weekend Warrior
Joined: Oct 08, 2011
Posts: 7
Location: Wahington, USA
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 Posted: Thu Nov 17, 2011 3:01 pm Post subject: Yellow coating on aluminum part? |
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Does anyone you happen to know what the "coating" is that Honda used that covers their aluminum parts such as the brake drum housings?
Is it some type of clear lacquer? It's turned yellow now and I want to remove it so I can polish the parts and have them clear powder coated.
Any tips on how to remove this stuff without scratching the surface?
Thanks, Steve
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05c50
Gear Head
Joined: Oct 26, 2007
Posts: 1143
Location: Greensburg Pa
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| Posted: Thu Nov 17, 2011 4:40 pm Post subject: |
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Spray paint remover, commonly known as aircraft stripper will take it off. You can get it at most auto part stores.
.......Paul
_________________
�77 CB550f
�77 CB750a
�78 GL1000
�80 CB650c
�75 GL1000-finally finished
�79 KZ200
68 CB450K1-taking up all my time |
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ByTheLake
Weekend Warrior
Joined: Oct 10, 2011
Posts: 22
Location: Alden, MI USA
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| Posted: Fri Nov 18, 2011 7:13 am Post subject: Re: Yellow coating on aluminum part? |
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| cm91steve wrote: | Does anyone you happen to know what the "coating" is that Honda used that covers their aluminum parts such as the brake drum housings?
Is it some type of clear lacquer? It's turned yellow now and I want to remove it so I can polish the parts and have them clear powder coated.
Any tips on how to remove this stuff without scratching the surface?
Thanks, Steve |
If it's an old original part, it could be Cosmoline. It's not used much these days, but old parts were often coated with the stuff to prevent corrosion. If what you're seeing is Cosmoline, WD-40 takes it right off.
I've received old HONDA NOS parts coated with Cosmoline, especially chrome plated trim parts.
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JimsCB160
Weekend Warrior
Joined: Oct 28, 2011
Posts: 33
Location: New Jersey
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| Posted: Sat Nov 19, 2011 7:08 am Post subject: |
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I am now in the process of fixing up my old Honda CB160 and I noticed the same thing on my rear brake drum and also on the engine as well. I used a tiny bit of paint remover spread lightly over it. This did remove the yellowed coating/lacquer (or whatever it is) but then I had to go through a major process of polishing the drum itself. The flash on the camera is accenting the polish marks from the wheel, but I had polished it some more by 'hand' and those don't show up now.
EDIT: Not sure why the photos get smaller when you click on them, but you get the idea of the "yellow".
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Working on my old 1965 Honda CB160
The Avatar is me on the same Honda CB160 back in 1973 |
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Sat Nov 19, 2011 10:54 am Post subject: Re: Yellow coating on aluminum part? |
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| cm91steve wrote: | | Is it some type of clear lacquer? It's turned yellow now and I want to remove it so I can polish the parts and have them clear powder coated.Any tips on how to remove this stuff without scratching the surface? |
Clearcoat that is now yellowing...that's all. As Paul had mentioned, letting some Aircraft Remover lay on the old hard coating for awhile should do the trick....you may have to repeat the process. As far as clear powdercoating is concerned, I myself, would be concerned about it not being clear enough.
Speaking of which...has anybody here tried this? .... http://www.por15.com/GLISTEN-PC/productinfo/GPCGG/
http://www.amazon.com/dp/B001NGB55Y/?tag=finishingcominc
Clearcoat or constant polishing once the original clearcoat is removed from the aluminum. I for one just try to keep up on the aluminum polishing but doing that is getting old fast. 
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05c50
Gear Head
Joined: Oct 26, 2007
Posts: 1143
Location: Greensburg Pa
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| Posted: Sat Nov 19, 2011 11:19 am Post subject: Re: Yellow coating on aluminum part? |
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| dorT500 wrote: |
Speaking of which...has anybody here tried this? .... http://www.por15.com/GLISTEN-PC/productinfo/GPCGG/
http://www.amazon.com/dp/B001NGB55Y/?tag=finishingcominc
Clearcoat or constant polishing once the original clearcoat is removed from the aluminum. I for one just try to keep up on the aluminum polishing but doing that is getting old fast. |
OK dor, sounds like you're volunteering to try it out. Why don't go ahead and buy a gallon of the stuff, and if it works out OK, I'll send you some pieces to do for me.  
...........Paul
_________________
�77 CB550f
�77 CB750a
�78 GL1000
�80 CB650c
�75 GL1000-finally finished
�79 KZ200
68 CB450K1-taking up all my time |
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fasterspider
Full Throttle
Joined: Feb 04, 2007
Posts: 2366
Location: Moving to Granada Hills 818
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| Posted: Sat Nov 19, 2011 11:36 am Post subject: Re: Yellow coating on aluminum part? |
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| dorT500 wrote: | | I for one just try to keep up on the aluminum polishing but doing that is getting old fast. |
I use this stuff called Jasco paint remover I bought from eBay
My CBX and my CL350 have polished fork sliders and other little polished bits here & there and I love the part of polishing it regularly, it is a labor of love that if left un polished makes it look like I don't love my motorcycles which I do very much love.
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Ray #1
71 CL350K3 Scrambler
79 CBX
10 VFR1200F
bakmanrayman [at] yahoo [dot] com
fasterspider [at] gmail [dot] com
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Mon Nov 21, 2011 12:18 pm Post subject: Re: Yellow coating on aluminum part? |
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dorT500 wrote:
I for one just try to keep up on the aluminum polishing but doing that is getting old fast.
| fasterspider wrote: | | My CBX and my CL350 have polished fork sliders and other little polished bits here & there and I love the part of polishing it regularly, it is a labor of love that if left un polished makes it look like I don't love my motorcycles which I do very much love. |
.....hhmmmm...ok  http://www.vjmog.com/ftopic-5382-days0-orderasc-60.html 
fasterspider
Full Throttle
Joined: Feb 04, 2007
Posts: 2252
Location: Studio City, Los Angeles, Ca. 91604
Posted: Wed Apr 28, 2010 6:58 pm Post subject:
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"Polishing aluminum by hand sucks and polishing aluminum that was not meant to be polished is too much work but, it sure does look good if you can manage to do it halfway right".
Joined: Feb 04, 2007
Posts: 2252
Location: Studio City, Los Angeles, Ca. 91604
Posted: Thu Apr 29, 2010 2:37 pm Post subject:
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"That's it, I am done".
"No more polishing, I hate it".
"That is why there are only 7 small pieces that are polished on this engine".
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fasterspider
Full Throttle
Joined: Feb 04, 2007
Posts: 2366
Location: Moving to Granada Hills 818
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| Posted: Mon Nov 21, 2011 1:37 pm Post subject: Re: Yellow coating on aluminum part? |
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| dorT500 wrote: | dorT500 wrote:
I for one just try to keep up on the aluminum polishing but doing that is getting old fast.
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| fasterspider wrote: |
My CBX and my CL350 have polished fork sliders and other little polished bits here & there and I love the part of polishing it regularly, it is a labor of love that if left un polished makes it look like I don't love my motorcycles which I do very much love
"Polishing aluminum by hand sucks and polishing aluminum that was not meant to be polished is too much work but, it sure does look good if you can manage to do it halfway right".
"That's it, I am done".
"No more polishing, I hate it".
"That is why there are only 7 small pieces that are polished on this engine".
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The joy of polishing comes & goes. 
I just touched up the front wheel hub & fork sliders of my Scrambler a week and a half ago, they look great. 
I need to get busy on my CBX's aluminum again sometime in the near future.
Doing an initial polishing is a lot of work, it's the touch ups or maintenance jobs that are not so bad.
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Ray #1
71 CL350K3 Scrambler
79 CBX
10 VFR1200F
bakmanrayman [at] yahoo [dot] com
fasterspider [at] gmail [dot] com
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Rat
Weekend Warrior
Joined: Dec 04, 2007
Posts: 32
Location: Toronto, Canada
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| Posted: Mon Nov 21, 2011 5:00 pm Post subject: |
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Keep reading ....
"Don't you know 15 minutes after I wrote that, I was out in the garage polishing the cam chain tensioner, it looks sweet now. "
Gord
_________________
80 GL1100 ´Wing known as the Fat Rat.
The original ´Rat´ was a CB900/1100F. |
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05c50
Gear Head
Joined: Oct 26, 2007
Posts: 1143
Location: Greensburg Pa
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| Posted: Mon Nov 21, 2011 5:08 pm Post subject: |
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| Rat wrote: | Keep reading ....
"Don't you know 15 minutes after I wrote that, I was out in the garage polishing the cam chain tensioner, it looks sweet now. "
Gord |
Oh you guys........
........Paul
_________________
�77 CB550f
�77 CB750a
�78 GL1000
�80 CB650c
�75 GL1000-finally finished
�79 KZ200
68 CB450K1-taking up all my time |
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Rat
Weekend Warrior
Joined: Dec 04, 2007
Posts: 32
Location: Toronto, Canada
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| Posted: Tue Nov 22, 2011 8:38 am Post subject: |
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Get back to your polishing Paul.
Gord ( never polish anything) Jones 
_________________
80 GL1100 ´Wing known as the Fat Rat.
The original ´Rat´ was a CB900/1100F. |
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fasterspider
Full Throttle
Joined: Feb 04, 2007
Posts: 2366
Location: Moving to Granada Hills 818
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05c50
Gear Head
Joined: Oct 26, 2007
Posts: 1143
Location: Greensburg Pa
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| Posted: Tue Nov 22, 2011 7:05 pm Post subject: |
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| Rat wrote: | Get back to your polishing Paul.
Gord ( never polish anything) Jones |
Not only does your aluminum not shine, but even the chrome doesn't reflect light! maybe you ship the rat down to Ray for the winter and let him shine it up.
........Paul
_________________
�77 CB550f
�77 CB750a
�78 GL1000
�80 CB650c
�75 GL1000-finally finished
�79 KZ200
68 CB450K1-taking up all my time |
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dorT500
Gear Head
Joined: Jul 10, 2008
Posts: 1639
Location: Galveston County, Tx.
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| Posted: Wed Nov 23, 2011 8:35 am Post subject: |
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| 05c50 wrote: | | Rat wrote: | Get back to your polishing Paul.
Gord ( never polish anything) Jones |
Not only does your aluminum not shine, but even the chrome doesn't reflect light! maybe you ship the rat down to Ray for the winter and let him shine it up. .....Paul |
Hey Paul, don't you know a low tech 'protective film' when you see it? 
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