My ef3000 yamaha generator surges when on low

SOURCE: rpm surge with intermediate power load

The problem is the governor and is easily fixed. Do the following: Remove back and side panels to expose fuel tank. Insert screwdriver into fuel on/off switch on front panel and remove. Now remove top panel. To do this unscrew fuel cap, pull out fuel spill surround rubber and remove top panel, just pull gently. Now with fuel tank exposed, remove retaining bolts. Gently lift tank and rest on frame. No need to disconnect fuel line.On top of carby is the governor, protected in a black plastic shield. Unscrew the retaining screws that hold it to the carby. Remove electrical connection and then remove governor from carby. Now remove cover by pressing on the three retaining plastic clips and prize upwards. Now the solenoid is exposed. Remove solenoid from its base by unscrewing the two retaining screws. Now that the solenoid is fully exposed use an spray on electrical cleaner that can be used on circuit boards. Spray the base of the solenoid in particular the spindle. Whilst spraying the spindle rotate it a few times until it moves freely. Then replace everthing in reverse order. Where the spindle exits the solenoid dust particles collect and increase the friction between the two surfaces. If you do not want to proceed as outlined tell your dealer it is the solenoid and have it fixed under warranty.

SOURCE: 1000 watt Yamaha generator surges when on low setting

YOU PROBABLY HAVE LINKAGE PROBLEMS ON THE CARB IS IT AUTO THROTTLE IF SO YOU MAY ONLY NEED TO ADJUST THE SETTING SCREWS GIVE ME SOME DETAILS LIKE BRAND HORSE POWER CARB BRAND AND MODEL AND I MAY HAVE THE EXACT ANSWER FOR YOU I HAVE ALOT OF SMALL ENGINE RESOURCES FOR SPECS AND DIAGRAMS