Weird High speed needle???

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shadowfax72

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Joined
Jun 30, 2009
Messages
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I just picked up a 1966 Johnson 20 hp outboard motor and am having issues with it idleing. It coughs at low speeds then dies. I tried rebuilding the carburetor and while doing this noticed that the end of high speed needle valve was flat. Is this right? The low speed needle valve has a nice point on it. Shouldnt they be the same? I tried reinstalling the carburetor and still have the same problem. Any ideas?
 
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F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,195
Re: Weird High speed needle???

shadowfax72 said:
I just picked up a 1966 Johnson 20 hp outboard motor and am having issues with it idleing. It coughs at low speeds then dies. I tried rebuilding the carburetor and while doing this noticed that the end of high speed needle valve was flat. Is this right? The low speed needle valve has a nice point on it. Shouldnt they be the same? I tried reinstalling the carburetor and still have the same problem. Any ideas?
Click to expand...

Not flat, but much less taper is what it should be.
 
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