Question about Coleman Powermate Premium Plus 6250W Portable Generator

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Coleman generator OHV3000

Not a 6250 generator but a 3000 watt generator. The engin surges high and low rpm. Will not run at a steady speed.governor keeps moving and engin surges. This is with no load.

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  • Anonymous Mar 23, 2014

    My EU 3000 generator surges when It's just idling why

  • Cynthia Stahl Jan 02, 2017

    This is A Coleman Power mate 10 amp not run in 3 years. Added bottle of carburetor cleaner.

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  • 11 Answers

The carburetor is probably clogged up. Mix a bottle of carburetor cleaner with the gas to see if that would help. Also check/replace the fuel filter.

Posted on Sep 10, 2008

  • Cynthia Stahl Jan 02, 2017

    It stopped backfiring but still surging without any losd

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Posted on Jan 02, 2017

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The governor spool may also be binding, but much harder to check since it is internal to the engine.

Start the generator, and watch the governor arm. When RPMs drop, you should see the arm move in an effort to open the throttle. Conversely, when the engine races, you should see the arm move in the opposite direction to try and close the throttle. Small movements of the governor are normal with a steady load. If you don't see the governor trying to correct engine speed, you likely just identified the culprit.

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Regards,
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