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Old 01-09-2013, 07:18 AM   #1 (permalink)
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Mikuni Vent tube 90 degree angle

I have a 97 Formula 500. I broke the 90 degree plastic/metal fitting that connects the carb to its vent tube. Does anyone know if you can buy that part anywhere? I can't see it listed on any part diagram I search for.
It doesn't look like it comes with the vent tube either.

Is there an easy hardware store fix for this part? I was trying to replace the fuel lines but I used a little too much force...
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Old 01-09-2013, 09:09 AM   #2 (permalink)
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Where are you located? Can you post a picture of the broken piece or of another one that's not broken from the other carb?
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Old 01-09-2013, 05:57 PM   #3 (permalink)
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Old 01-09-2013, 06:00 PM   #4 (permalink)
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It's the white piece right in the middle of the pic. There is one of each side of the carb. It has a metal piece that pushes into the carb.
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Old 01-09-2013, 07:18 PM   #5 (permalink)
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What size are the carbs, and what area are you from? Are there any distinguishing numbers stamped on the body?
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Old 01-09-2013, 07:26 PM   #6 (permalink)
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On the flat face of the output side, mine is stamped 36A with 72 underneath it. That would be the identifier to look for.
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Old 01-09-2013, 09:33 PM   #7 (permalink)
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Broke or pulled out?
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Old 01-09-2013, 10:03 PM   #8 (permalink)
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Broken off. The hose can't be connected back on. I'm in St. Paul MN.
Carb say H7 and 32. The other one says 33.
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Old 01-09-2013, 10:11 PM   #9 (permalink)
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Ok. The carb body that I have (with those connectors on it, but at a 45 degree angle toward the inlet) is likely bigger than the one you have. I don't believe that those connectors are intended to come off of the carb body.
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Old 01-10-2013, 12:13 AM   #10 (permalink)
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I'd work at getting the broken piece out of the carb. Might have to heat it slightly with a heat gun to loosen any adhesive. Once out I'd make a run up to the local Auto Zone to find a new plastic elbow that fits the hole.

If you'd like me to take a look at it, I'm in St. Paul also. Send me a pm with your name and phone number.
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Old 01-10-2013, 05:59 AM   #11 (permalink)
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At least it's just a vent tube!
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Old 01-10-2013, 07:02 AM   #12 (permalink)
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Quote:
Originally Posted by smallengineguy View Post
At least it's just a vent tube!
Is it not required to run properly? I can certainly make a hack job if it's not.
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