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Gas generator will run smooth only with 3/4 choke??

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Gas generator will run smooth only with 3/4 choke?? BoyntonStu 10-17-2007
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Posted by BoyntonStu on October 17, 2007, 5:01 pm
It ran fine last year with the choke open all the way.

Now, it will buck and shut down with the choke completely open.

Obviously it is running too lean this way.

Any problem running it in the partial choke position?

What is the real fix and is it worth it?


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Posted by Edwin Pawlowski on October 17, 2007, 9:56 pm

> It ran fine last year with the choke open all the way.
>
> Now, it will buck and shut down with the choke completely open.
>
> Obviously it is running too lean this way.
>
> Any problem running it in the partial choke position?
>
> What is the real fix and is it worth it?
>

Wow, it used to run with 1/2 choke. Sounds like it is going fast.

As for your last question, no, it is not worth fixing, just buy a new
generator.



Posted by trainfan1 on October 17, 2007, 11:00 pm
BoyntonStu wrote:
> It ran fine last year with the choke open all the way.
>
> Now, it will buck and shut down with the choke completely open.
>
> Obviously it is running too lean this way.
>
> Any problem running it in the partial choke position?

Reduced power.

>
> What is the real fix and is it worth it?
>

Adjust high speed mixture screw.

Rob

Posted by The Reverend Natural Light on October 18, 2007, 12:38 am
> It ran fine last year with the choke open all the way.
>
> Now, it will buck and shut down with the choke completely open.
>
> Obviously it is running too lean this way.
>
> Any problem running it in the partial choke position?
>
> What is the real fix and is it worth it?

Sounds like a dirty carb (partially gummed up jet). The proper fix is
to rebuild or replace the carb. If you're lucky then perhaps some in-
tank fuel system cleaner will help.

Compensating the lean condition with partial choke could work for the
short term but it will limit power output and, since it's impossible
to get it set just right, it will eventually foul a plug or overheat
something.

Could also be a vacuum leak, but if you say it worked a year ago and
doesn't now, it's probably jelled fuel. Always use fuel stabilizer
when storing an engine.





Posted by ransley on October 18, 2007, 3:59 am
> It ran fine last year with the choke open all the way.
>
> Now, it will buck and shut down with the choke completely open.
>
> Obviously it is running too lean this way.
>
> Any problem running it in the partial choke position?
>
> What is the real fix and is it worth it?

I would think its not getting enough gas, the carb is dirty , It
shouldnt hurt it. Leaving gas in it for a few months or dirt could
cause it, Does the carb even have a fuel filter to keep out dirt. It
may not produce full power but you probably dont need full power.


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