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post #1 of 7 (permalink) Old 04-08-2011, 11:47 AM Thread Starter
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Black fabric in carb?

So I have my carbs torn apart and I'm puzzled by what this piece is:



I'm pointing attention to the round opening on the lower left of the carb with a black fabric surrounding a metal circle. It looks like a speaker.Is it okay for me to soak this in carb cleaner with the rest of it? What am I looking at?
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post #2 of 7 (permalink) Old 04-08-2011, 12:10 PM
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Quote:
Originally Posted by vulcanpower View Post
So I have my carbs torn apart and I'm puzzled by what this piece is:



I'm pointing attention to the round opening on the lower left of the carb with a black fabric surrounding a metal circle. It looks like a speaker.Is it okay for me to soak this in carb cleaner with the rest of it? What am I looking at?
The only help I can give, and I'm not 100% sure but it may be the air cut off valve part # 43028. I have not pulled these carbs apart.
Jim
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post #3 of 7 (permalink) Old 04-08-2011, 12:19 PM
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The only help I can give, and I'm not 100% sure but it may be the air cut off valve part # 43028. I have not pulled these carbs apart.
Jim
he is right and do NOT soak rubber,parts in cleaner.




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post #4 of 7 (permalink) Old 04-08-2011, 12:41 PM
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he is right and do NOT soak rubber,parts in cleaner.
X2... that thing will dissolve if you soak if with the carbs. Remove all non-metal parts from the carb before soaking.
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post #5 of 7 (permalink) Old 04-08-2011, 05:01 PM
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If that is torn or has a hole in it, it needs to be replaced. Ron (lance) told me what they were for, but I don't remember.

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post #6 of 7 (permalink) Old 04-08-2011, 05:35 PM
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It looks to me like it is the *coasting richener diaphragm*

http://www.indyoem.com/fiche_section...1991&fveh=9040

Part number number 43028-0016, listed as
Diaphram, 5.9 mm, Air C....$37.81 each

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post #7 of 7 (permalink) Old 04-08-2011, 09:48 PM
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Quote:
Originally Posted by OlHossCanada View Post
It looks to me like it is the *coasting richener diaphragm*

http://www.indyoem.com/fiche_section...1991&fveh=9040

Part number number 43028-0016, listed as
Diaphram, 5.9 mm, Air C....$37.81 each
OlHoss has it correct!
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