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torn diaphragm! (Read 193 times)
Dave
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Re: torn diaphragm!
Reply #15 - 03/20/17 at 11:07:02
 
I think I would just watch eBay or this forum for a donor carb....one that has a good diaphragm - but has a screwed up idle mix screw that is not salvageable.  Not sure what caused the hole - but I really can't see that you can reliable fix a hole in the carb diaphragm .

There are companies that make very affordable aftermarket diaphragm kits for popular CV carbs - do any popular bikes use a similar sized Mikuni carb that may have a matching diaphragm?

http://www.ebay.com/itm/BRAND-NEW-4PCS-CARB-SLIDE-DIAPHRAGMS-DIAPHRAGM-HONDA-...
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verslagen1
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Re: torn diaphragm!
Reply #16 - 03/20/17 at 11:53:35
 
and enough material to do 10,000 diaphragms!   Grin

I'll have to check the material for stretchiness.
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justin_o_guy2
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Re: torn diaphragm!
Reply #17 - 03/20/17 at 12:45:57
 
I'm thinking that if polyester fabric is able to survive in that environment, maybe just a snip off of something that you have around the house would work.
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Kenny G
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Re: torn diaphragm!
Reply #18 - 03/20/17 at 14:02:13
 
I am curious about what material would work for a patch.

Kenny G
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verslagen1
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Re: torn diaphragm!
Reply #19 - 03/20/17 at 15:12:30
 
The diaphragm is just rubber, so it's a no load situation.
any fabric will do, just completely coat with pliobond.

We use a lot of uncured fiberglass reinforced silicone rubber here.
But would dictate making a mold.
I could make a conical mold, but anything else would require 3d cnc work.
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Stefinstein
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Re: torn diaphragm!
Reply #20 - 03/29/17 at 14:09:49
 
Versy- For buna-n repair you can use a 3M product called "847" it's a rubber and gasket adhesive that is resistant to heat and petroleum.
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