John,
A sticking carb slide/damper/needle comes to mind as most likely. The
slide opening must follow the throttle opening very smoothly.
Dave Russell
BN2
Bob Spidell wrote:
> Could be something blocking the exhaust.
>
> Have also heard of a dent or restriction in fuel line causing this
> type of symptom (vapor lock when warm).
>
>
> bs
>
>
> john close wrote:
>
>> Hello Listers - Got me a new one: Runs normally until warmed up.
>> Then, it runs, but weakly. Feels like the throttle linkage has
>> slipped, but it hasn't. I have to push the accelerator about 1/4 if
>> the way down before rpm's increase. It idles normally.After it
>> cools down, it's temporarily fine again. Replaced my fuel filters
>> and checked flow from my fuel pumps. Both were fine. Suggestions?
>> Ideas? Thanks - John Close
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