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Technical Help Forum
Started by Ayal at 07-21-2008 6:49 AM. Topic has 9 replies.
  
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 07-21-2008, 6:49 AM
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Ayal
 
Joined on 05-19-2008
Massachusetts
Posts 77
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How to revive old rubber on Carb
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Hi, there is a crack on the rubber boot between the carburator and the engine. I bought a non-cracked one on Ebay, but this rubber seems dull and may be dry. Anyone has experience in saving old rubber? Can I apray WD40 and let it sit before putting the part to use? Any other compounds?... Thanks, Ayal.
Strive to learn something new every day
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07-21-2008, 7:19 AM
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Anonymous
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Re: How to revive old rubber on Carb
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EDIT: The following is regarding thick, rigid and/or SOLID rubber components NOT for delicate/thin parts!
I've had great results restoring rubber parts by lightly bead blasting them. If you're not overly aggresive, the surface will be refreshed and look darker with no loss of functionality. If you have acces to a bead blaster or even a regular old rust knocker sand blast cabinet, you can try it on your old part first to get a feel for it. If you feel like it's too damaging, walk away, no harm done.
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07-21-2008, 7:55 AM
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I'm going to GL
Joined on 07-16-2008
Chicagoland, IL
Posts 175
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Re: How to revive old rubber on Carb
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Sorry, that was me having a sign-in brain fart...
1982 GL500
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07-21-2008, 8:58 AM
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dtimm612
Joined on 06-02-2008
Rochester, Minnesota
Posts 75
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Re: How to revive old rubber on Carb
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I always thought silicone is good for rubber. Either a gel or a spray, I think it moisturizes the rubber. Someone please correct me if I'm wrong
81 Silverwing GL500
84 Magna VF1100C (V65)
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07-21-2008, 9:21 AM
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dbarale
Joined on 06-10-2008
Asheville, NC
Posts 142
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Re: How to revive old rubber on Carb
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Somebody posted recently about using an overnight bath in brake fluid to restore old rubber parts?
I have NOT tried it yet so you might want to test it on the old boot first...
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07-21-2008, 9:40 AM
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WisconsinCX
Joined on 07-07-2008
Germantown, WI
Posts 122
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Re: How to revive old rubber on Carb
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I think Shep was the one letting stuff sit in brake fluid for a while,,,he was having good success.
Shep??
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07-21-2008, 11:37 AM
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Anonymous
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Re: How to revive old rubber on Carb
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Hi guys, its been a long time since my last post and I hope this will be of some use to someone, I am led to believe that silicone fluid used for water proofing tents will soften these rubbers, paint it on and leave in a plastic bag for a day, to stop it drying too fast. regards Reckless_b
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07-21-2008, 6:57 PM
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Shep
Joined on 01-30-2007
Hull.East Yorkshire.England
Posts 1,636
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Re: How to revive old rubber on Carb
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 WisconsinCX wrote: | | I think Shep was the one letting stuff sit in brake fluid for a while,,,he was having good success.
Shep?? |
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Nope.It wasn't me.I'm the White vinegar guy 
If the boots just look dry I wouldn't worry too much.I'd dress them up with a bootblack stick.You know the type for shining shoes.I use them on the seat covers as well as they leave a nice semi-gloss and of course contain wax so they repel water
New Global CX/GL Forum,
http://globalcxglvtwins.hostingdelivered.com/
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07-21-2008, 7:04 PM
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Flash
Joined on 03-29-2007
Posts 36
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Re: How to revive old rubber on Carb
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I had the same problem with cracked, dry rubber boot intakes. I used a liquid rubber called "Plastidip" and coated them with three thin coats. It has lasted three years and it saved me from buying new ones. It was about $10 at the local hardware store.
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Honda CX500 & G... » CX500 GL500 Tra... » Technical Help ... » How to revive old rubber on Carb
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