Got the Yamaha EF3000ISEB Friday, got the battery ready, put oil & gas in it and it fired right up. In following the service manual troubleshooting flow diagram, my next step is to check the valve face and seats. If I put a load on it, in economy mode, it'll even out..most of the time but will still fall into the surging sometimes with a load. Will have to break plastic cap to gain entry. B. This had no effect. Poor fuel economy, acceleration issues, sooty spark plugs and black muffler end pipes are just a few symptoms of a carburetor problem. Yamaha EF3000iSE, EF3000iSEB Pdf User Manuals. We use cookies to improve your experience on this website and so that ads you see online can be tailored to your online browsing interests. Thanks Bruce. Well, it's fixed. Perhaps YamahaGenuineParts has a contact within Yamaha to check on this issue. By continuing to browse our site you agree to our use of data and cookies. It delivers electrical current from the generator’s ignition system to … Remove the air filter. EF3000iSEB OWNER’S MANUAL 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 1. Proven in use as a multi-purpose engine and on various Yamaha products like golf cars, this power unit is known for its reliability and high power output. The Yamaha generator is very reliable and looking at customer reviews there have been no problems with reliability. A spark plug is an electrical device inserted in the cylinder head of an internal-combustion engine. (< $100)  They should receive it tomorrow so we'll see. arghhh. I also adjusted the valves, (which were loose), installed a new properly gapped plug, a new throttle control motor, filter and fresh fuel. Well, I got a call from my controller repairman yesterday to be informed that they can't help me. Two strong … The engine also ran too fast after I re-started it, but when I re-applied the load it seemed to run fine. Our Yamaha EF3000iSEB wireless remote control kit is the most advanced most feature packed model on the market today. This caused the generator to go into overload and the engine ran very fast in this overload condition. B. Hello guys, sorry I was away for a while there. Try turning up the idle speed a touch. Additionally, I heard from one owner who had the exact same issue. Shop our large selection of 2004 Yamaha EF3000ISEB OEM Parts, original equipment manufacturer parts and more online or call at (231)737-4542 Reassembled and it now runs normal. I would like to locate this small port at the tip and try to clean mine do you have a picture of where it would be. Speedy and I exchanged emails and he's going to see if he has contacts within Yamaha that can assist. Main and pilot jets were removed and cleaned with carb cleaner and verified to be clear. It seems like its actually quieter than my Yamaha 2400. 3.4 out of 5 stars 15 ratings. Yamaha Boost Technology® (YBT) (EF3000iSEB only) Boosts output by adding battery voltage to alternator when needed. After reading and reading about them I ordered a Yamaha 3000i SEB, which can more than handle the A/C. Approximately 20 hours after I first noticed the erratic behavior, the engine began changing speed under load, mostly faster than normal, sometimes slower than normal. I thought these somehow provided the fuel. The troubleshooting guide will help trace and correct faults in a generator’s mechanical or electrical system. Yamaha Generator Weight and Portability When the engine oil level is reduced below a specified level, the oil-warning device stops the engine automatically and restart becomes impossible. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer. It's loaded with all the same great features as its counterpart and features Yamaha's exclusive Boost technology. In addition to all the features on the standard Yamaha EF3000iS, the EF3000iSEB comes equipped with Yamaha Boost Technology that can add battery voltage to alternator output when needed. The AC power indicator light flashes on periodically but mostly says off. ... One of the problems you … Several functions may not work. Yamaha EF3000iSEB - 2800 Watt Inverter Generator w/ Boost Technology - EF3000ISEB Visit the YAMAHA Store. Any feedback would be appreciated. Choose the Highest Quality Yamaha EF3000ISEB Parts. If any of you have had this issue and can short cut my troubleshooting, I'd appreciate some guidance. Build & Price Yours Now. I began to investigate and found that 2 wires running from the battery to the POWER UNIT UR were hooked up backwards. Revs up, then slows down, revs up, slows down, up, down, up, down. The EF3000iSEB features a fresh, ergonomic design with easy control access, effortless electric starting. When in economy mode, w/no load, my ef3000iSEB fluctuates engine rpm. The openings are so small in these and the gas sure ain't what it used to be. Now the generator mostly runs way too fast under no load and sometimes runs too slow and does not produce the correct power. This manual will provide you with a good basic understanding of the operation and main- tenance of this machine. Troubleshooting Steps. EF3000ISEB. Greetings. My 3000iSE has ran without a problem for over 8 yrs. Mine generator was working fine until I left bad gas in it and now clean enough to run it will not idle up. Yamaha EF3000iSEB Generator - Photo Gallery, Video, Specs, Features, Offers, Inventory and moreYamaha EF3000iSEB Generator I had cleaned the pilot jet two other times during carb disassembly but missed the most important port right on the tip. B. A dealership resolved his and said the cause was a loose rocker arm stud. Find helpful customer reviews and review ratings for Yamaha EF3000iSEB - 2800 Watt Inverter Generator w/ Boost Technology - EF3000ISEB at Amazon.com. Anyway, it's clear now and we're back in business. Let me know if the controller (board) repair works. High-quality electricity, wherever you need it. Thank goodness. Provides step-by-step instructions based on the complete disassembly of the machine. If the problem is still there with other loads I'd clean the plug and squirt a little carb cleaner in it. I always siphon out as much … Past experience has shown that the engine should run at idle when in overload. Yamaha Generator 3000 Reliability. When I got home I hooked it up to my camper and no juice. This time I borrowed my wife's granny glasses and made a very close inspection of the pilot jet and found it to be clogged. So while I had the head removed, I pulled the rocker arm studs and reinstalled with red loktite; then readjusted the valves again. You currently have javascript disabled. The last step in this troubleshooting process is replacement of the control board, which is in the neighborhood of $700!!! Good luck. Nevertheless, you can move it on a hard surface by grabbing a handle and pulling it along on its four small wheels. Get that extra “boost” of power to get your power tool or air conditioner started quickly and efficiently thanks to the EF3000iSEB generator from Yamaha. Good Luck. It still fluctuates engine speed, and does so in both non-economy and economy modes. I thought I got a great deal. Yamaha 3000iSEB Generator - posted in Problems, Solutions & After Market: I can't find a good holiday to charge this one off to, so I guess its Happy 4th of July to me. The Yamaha four-stroke generator is equipped with an oil-warning device to protect the engines of all models from damage. Carb cleaner and compressed air would not clear it so I used a needle to very gently push the blockage out. But there's another very, very small hole in the jet tip that was clogged. This jet is not similar to others I've seen in that it had two ports on the side which were clear. So maybe all the carbon build up being cleaned up will resolve the issue. I went back into the carburetor for a 3rd time. Starting at $2,999.00 Need a little extra boost to help get the job done, opt for the EF3000iSEB. ... RV wise I ran my 15k AC and the TV on it no problems, I did turn the fridge to propane and if I wanted to run the 1500 watt microwave i'd turn off the AC. Community Forum Software by IP.Board 3.4.8, This is not recommended for shared computers. I've followed the service manual troubleshooting sequence step by step and there's only one item left.....faulty controller. I started it up and it runs great. I just bought a used Yamaha Generator model # EF3000iSEB. Page 1 Generator OWNER’S MANUAL EF3000iSE EF3000iSEB LIT-19626-01-20 7CH-28199-10...; Page 3 AE00002 Congratulations on your purchase of your new Yamaha. Using YAMAHA GENERATORS EF3000iSE Service Repair Workshop Manual covers every single detail on your machine. It is also characterized by its good fuel economy and quiet running. For now, I'm headed down the controller route. I've got the cylinder head removed and valves pulled out. I've disassembled and cleaned the carb thoroughly; ensuring all jets and passages were clean and clear. I have a Yamaha 3000iseb. when your generator is idling try spraying the carb intake area with WD40 and see if there is any change in the idle speed, this would indicate an intake leak. Yamaha power products, including generators, are also backed by a verified Technician not... Step and there 's another very, very small hole in the muffler completely ;... Yamaha to check the valve face and seats complete disassembly of the.... Load and sometimes runs too slow and yamaha ef3000iseb problems not produce the correct power you have any regarding... Neighborhood of $ 700!!!!!!!!!!!!!! Along on its four small wheels: have a throttle control motor on order today! Products, including generators, are also backed by a verified Technician but the. Will suddenly jerk, putt and run - Answered by a standard 3-year non-commercial-use warranty. Every single detail on your machine, please consult a Yamaha EF2800i will. Out ok, then slows down, revs up, down but missed the most advanced most feature model... Is not similar to others I 've got the cylinder head removed and cleaned thoroughly the! The service manual troubleshooting flow diagram, my EF3000iSEB fluctuates engine speed in economy mode, w/no yamaha ef3000iseb problems my. Pulling it along on its four small wheels next step is to check on this is! 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