1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

fuel running out of secondaries - Nikki

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Old 12-31-10, 01:04 PM
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fuel running out of secondaries - Nikki

Why would fuel run out of my secondary fuel nozzles while it's running if my float bowl levels are right where they should be?

I appreciate any help given, this is another issue that has come up on my nikki that has me stumped.

-crispin
Old 12-31-10, 01:50 PM
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trash in the needle and seat not allowing the fuel to be shut off when the bowl gets full.
Old 12-31-10, 03:33 PM
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I thought of that. Needle and seats are fine.
Old 12-31-10, 03:44 PM
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well the bowl is over filling. if the level is set right and the needle and seats r fine, the only other thing i can think of is the float is allowing fuel into it making it too heavy to float and seal off the incoming fuel.
Old 12-31-10, 05:43 PM
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I got it figured it out, ended up pulling off the vent selonoid and plugged the whole with epoxy. It wasn't venting the fuel bowls.
Old 12-31-10, 07:59 PM
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Good catch.
Old 12-31-10, 10:40 PM
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Originally Posted by trochoid
Good catch.
Yeah, it was quite an odd find. I've tried to leave everything on the nikki that was original, knowing that everyThing has a purpose but after the vent selonoid being bad I pretty much took everything off I could imaginable amd filled every hole with epoxy. I'd say now my nikki is about as naked as it could be except I'm still running vacuum secondaries so I still have the secondary accelerator pump on and working..
Old 12-31-10, 11:04 PM
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glad u got it figured out. my experience with the problem u were having only involved solutions i suggested. and there's no secondary AP on a nikki carb. at least non of the ones i've ever dealt with.
Old 12-31-10, 11:38 PM
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It's not really a AP, it's just a diaphram that pulls the secondaries open. I just call it an AP because it's very similar.
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