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Tight throttle spring on briggs ok?

I have a briggs & stratton engine similar to whats on lawn mower 12HP and just adjusted the governor screw to get rpm back down..was off and surged) It is running smooth but is a tad low on rpm.If i place more pressure on the spring(with slight bend at end) the throttle will open further and seems to run smoothly strong..Is this ok to do taking that i tried to turn gov screw just a hair and it surged.Throttle is open when off also.There is NO carb adjustment screw on this engine(!2h802-2635).and only 1 hole(not multiple) for gov spring at throttle.

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  • allen Apr 27, 2012

    again..this engine has NO adjustment screw for throttle..is for pressure washer

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I do that on people's mowers when they come in not running fast enough. If they are running too fast I stretch them a little and even cut the end off the spring and reshaped the end to get the right speed. Yes you can do this but be sure you do not over rev the engine or you will ruin it.

Posted on May 01, 2017

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SOURCE: adjusting governor/throttle briggs and stratton

there should be a little screw to help adjust your idle try that..counterclockwise to add more idle, clockwise to slow idle..

Posted on Apr 26, 2012

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Adjusting governor/throttle briggs and stratton


there should be a little screw to help adjust your idle try that..counterclockwise to add more idle, clockwise to slow idle..

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I have a 6.5 B&S engine on a RYOBI lawn mower That will not come up to mowing RPM. the mower does not have a throttle cable and the spring on the throttle appear to be intach. The engine starts real...


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