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| Carb intake patch 1976 CR 250m https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=59 |
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| Author: | Derik Martin [ Mon Jan 26, 2004 8:07 am ] |
| Post subject: | Carb intake patch 1976 CR 250m |
Does anyone know how to seal a small crack in the rubber intake boot? Honda has discontinued this item and I can't find one anywhere. Thanks |
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| Author: | Derik Martin [ Mon Jan 26, 2004 8:08 am ] |
| Post subject: | Re: Carb intake patch 1976 CR 250m |
Not to answer my own question but I talked to the guy who laced my wheels, he recommend saturating gauze with silicone sealer and wrapping it around the crak. I used liquid electrical tape. It looks good and I will let you know if it holds up. |
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| Author: | Dana [ Mon Jan 26, 2004 8:09 am ] |
| Post subject: | Re: Carb intake patch 1976 CR 250m |
I just did one on my kids MR. Silicone and gasket maker only lasted a couple of days so I took the intake and washed it in paint thinner ( gotta get that oil off.)then boiling hot water.(gotta get that paint thinner off.)then I roughed up the rubber with sand paper,same as you would do with an inertube you were going to patch. Next I coated the intake with rubber roofing membrane cement,only cause I had some. If I didnt I would have used inertube patch cement. Same thing .It kinda melts new rubber to old. I wraped a 3/4 strip of rubber membrane roofing (only cause I had some) coated in rubber membrane roofing cement yery tightly around the intake. If I didnt have any I would have used a strip of bicycle inertube (same thing) and inertube patch cement (same thing , different colour.) Then I put the clamp from the carb around the whole mess.I used a different clamp,I think its off an old washing machine but you could use a radiator clamp, to hold the carb on . Paint it black and who knows. At least it will keep you riding untill you can find a new one. A tire shop might be able to help you out. Mine was pretty bad ,cracked 3/4 the way around. If anybodys got a product that is perminent Id like to here about it as this is a common problem on alot of older bikes. Hope my trial and error helps. let us know. |
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| Author: | Rick [ Mon Jan 26, 2004 8:09 am ] |
| Post subject: | Re: Carb intake patch 1976 CR 250m |
I have always just used Black RTV sillicone. Wet your finger with spit and smooth it out and don't touch it for several hours. I have done this on different bikes for over 20 years and never had a problem with it. |
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