Yamaha Electrical Supplies - Page 6 - Recent Questions, Troubleshooting & Support


it seems to be the standard that the rating or model ??1000 or ??1500 or ??2500 or ??5000 or??5500 or ??6500 is the kv rating of the gen-set regardless of straight or inverter
so if yours is EF1000 it will be 1000 watts or 1 kv
remember that most electric drills are 1000 watt units so a unit this small is mostly good for lights, charging batteries, small compressors for tyres

Yamaha... | Answered on Jul 04, 2015


Never heard of refrig working this way; all that know are closed systems that a person inside will suffocate.. What brand and model?

Yamaha... | Answered on Jun 01, 2015


If oily smoke is coming out of the muffler, then it is an indication that the rings are bad. Make sure that the oil is at the proper level.

Yamaha... | Answered on May 04, 2015


I own this generator and have the same problem. There is a design flaw that is likely the culprit. The engine uses a gravity fed fuel system. That's all well and good but that means the fuel must be above the highest point in the fuel line to feed properly. The easiest thing to do is completely fill your generator when you use it and it will die with 2-3 gallons of fuel remaining. If you want to fix the issue you will need to reroute the fuel line to be below the base of the tank for its entire length.

I have experimented with multiple fuel levels and fuel line configurations. I have also left the gas cap loose and removed fuel filter per recommendations from others. The base of the fuel tank on my unit is roughly 15.5 inches. The fuel valve is at 16.25 and the highest part of the fuel line is over 17! That simply will not feed fuel when the tank gets below 4 gallons and the generator will stall. Bad design by Ridgid on the fuel line routing. Only about a 30 minute fix though with some fuel line, cable ties and a small tool set.

Yamaha Ridgid... | Answered on Apr 08, 2015


The YAMAHA ET500 uses an NGK Spark Plug # B5ES 6410 or equivalent. I hope this is helpful.

Yamaha... | Answered on Mar 20, 2015


well first off you need to add a question .

Yamaha... | Answered on Mar 19, 2015


Most of these small generators hold a quart of two.

Yamaha... | Answered on Mar 02, 2015


Regardless of it being either a two or four cycle engine the piston rings are at fault, if not the cylinders having scratches or groves

Yamaha... | Answered on Feb 22, 2015


Coil, points, spark plug, shorted switch, or the switch being left on the stop mode

Yamaha... | Answered on Feb 22, 2015


By reversing the polarity you could have burned out the the stater motor. Or if is fused it is blown out.

Yamaha... | Answered on Feb 22, 2015


Replacing the carb won't have any effect on the absence of a high voltage spark. The coil would but since you have already replaced it you can rule it out. So there are only two more things that can cause no spark. First trying to replace the capacitor and make sure the points are properly gaped and not worn.

Yamaha Ef2600... | Answered on Feb 22, 2015


If the fuel tank is below the carb, check for a check valve in the fuel line not seating. You can verify by shooting a bit of starting fluid in the breather. If it starts and then hesitates a bit and then runs, it means that the engine speed was adequate to suck fuel back up into the line to the carb.

Yamaha... | Answered on Feb 05, 2015


Most likely your battery has a cell or two dead oe weak. I think if you replace it you will find it working as it should. The batteries used in this gear is not of high quality. They generally fail in two years r so especially if left not maintained an go down.

Yamaha... | Answered on Jan 28, 2015

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