Question about Yamaha 2500 Watt Industrial Inverter Generator YG2800i

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Yamaha EF1000 Will only idle and produce 12VAC

Hi, I have a EF1000 that the plug was pulled under load. Now the generator will only idle "Won't come up to normal speed" and produces 12 VAC. Any suggestions out there??

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My guess would be that some failsafe is in action here. It is possible that either a fuse OR the breaker is bad, or is not resetting in the case of the breaker button. Yamaha likes to idiot proof these things. Some of them disable the sparkplug if the oil gets low. Forget about just a warning light.

Posted on Dec 06, 2009

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Yamaha ef1000 will only idle and produce 12 vac


Hi, I have the same generator and I pull the load and it is fine. The engine RPM is controlled by the 
governor. The voltage will not come up until the RPM is at full. First see what the RPM problem is and then check the voltage. Open the cover and look to see if the carb linkage is hooked up , if it is you mite have carb problem and address that first. Hope that helps.  

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