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Rough idle when engine is cold

by Marlin Kirkendall in 912 / 914 Technical Questions 9 years ago

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Re: Rough idle when engine is cold

by Bob Hartunian » 9 years ago

Bob Hartunian

3 23 0

Sooty plugs are not normal. Should be clean and light tan color on insulators. If sooty plugs, I'd drop the carb needles down one notch; takes 15 min/carb to do. Engine appears to be running too rich which is why it got rough when warm.
Lean it down and I'll bet problem disappears.

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Re: Rough idle when engine is cold

by cedric vanhoonacker » 5 years ago

cedric vanhoonacker

1 3 5

I have the same now. what did help or what was the issue?

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Re: Rough idle when engine is cold

by Ian Morris » 6 months ago

Ian Morris

0 8 19

Hi Marlin, was this problem ever resolved? What was the solution? I have very similar problem and hoping to find a solution.

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