(< $100) They should receive it tomorrow so we'll see. The EF3000iSEB features a fresh, ergonomic design with easy control access, effortless electric starting. I also adjusted the valves, (which were loose), installed a new properly gapped plug, a new throttle control motor, filter and fresh fuel. You should have the carb free at that point. You can watch the throttle control motor moving back and forth so what ever the root cause, it's manifesting at the throttle control motor. I'll be measuring everything closely against spec with my verier calipers. This YAMAHA GENERATORS EF3000iSE repair manual … When the genset is in normal mode (economy off), it revs up nicely and holds a steady rpm. 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 2 ... and serial num-bers in the spaces provided, to assist you in ordering spare parts from a Yamaha dealer. The Yamaha four-stroke generator is equipped with an oil-warning device to protect the engines of all models from damage. Speaking of the 2400 I wasn't sure what I was going to do with it. Yamaha EF2800i Engine Won’t Start. I began to investigate and found that 2 wires running from the battery to the POWER UNIT UR were hooked up backwards. Yamaha Boost Technology® (YBT) (EF3000iSEB only) Boosts output by adding battery voltage to alternator when needed. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer. Find helpful customer reviews and review ratings for Yamaha EF3000iSEB - 2800 Watt Inverter Generator w/ Boost Technology - EF3000ISEB at Amazon.com. B. You are not allowed to visit this community. Good luck. I'm currently adjusting the valves, which appear to be on the loose side, and have a throttle control motor on order. 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. The Yamaha generator is very reliable and looking at customer reviews there have been no problems with reliability. Anyway, it's clear now and we're back in business. After much ado my ef3000iSEB seems to run just fine, however econ rpm seems higher than I remember. My wife okayed the purchase of a new generator. 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. It seems like its actually quieter than my Yamaha 2400. Are looking for a bite-size generator for camping trips, powering an RV or perhaps just making sure your home’s lights stay on in the event of a power cut. Update. A spark plug is an electrical device inserted in the cylinder head of an internal-combustion engine. Will have to break plastic cap to gain entry. 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. Well, I got tired of looking at all the parts laying all over the place so reassembled the generator for fear of forgetting how she goes back together. Using YAMAHA GENERATORS EF3000iSE Service Repair Workshop Manual covers every single detail on your machine. This jet is not similar to others I've seen in that it had two ports on the side which were clear. This information applies to the Yamaha EF2800i and YG2800i. Any feedback would be appreciated. If the controller checks out ok, then I'll replace the speed limiter as you suggest. B. Section. If the engine does not start. Please re-enable javascript to access full functionality. By continuing to browse our site you agree to our use of data and cookies. Greetings. I've disassembled and cleaned the carb thoroughly; ensuring all jets and passages were clean and clear. arghhh. Several functions may not work. 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. ... One of the problems you … Yamaha EF3000iSE, EF3000iSEB Pdf User Manuals. So while I had the head removed, I pulled the rocker arm studs and reinstalled with red loktite; then readjusted the valves again. I went back into the carburetor for a 3rd time. If the problem is still there with other loads I'd clean the plug and squirt a little carb cleaner in it. The Boost Control Unit (BCU) senses when extra power is needed and boosts output for up to 10 seconds, giving air conditioners, power tools, and other equipment the extra boost of power they may need to start quickly and efficiently. This caused the generator to go into overload and the engine ran very fast in this overload condition. Past experience has shown that the engine should run at idle when in overload. Revs up, then slows down, revs up, slows down, up, down, up, down. Then, the Yamaha EF3000iSEB … The Yamaha EF3000iSEB is one of the most technologically advanced inverter generators available. 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. Additionally, I heard from one owner who had the exact same issue. Poor fuel economy, acceleration issues, sooty spark plugs and black muffler end pipes are just a few symptoms of a carburetor problem. It's so small, you can barely see it with the naked eye when cleared. I've followed the service manual troubleshooting sequence step by step and there's only one item left.....faulty controller. You currently have javascript disabled. The engine also ran too fast after I re-started it, but when I re-applied the load it seemed to run fine. 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. There's got to be something better than a $700+ solution. Well, I got a call from my controller repairman yesterday to be informed that they can't help me. The problem is a controller is very expensive. In this video I will show you how to finally fix the auto choke not working on a Yamaha EF4500ise. Greetings. The generator pictures and information displayed on our conversion kit pages are here solely for identification purposes only. I had cleaned the pilot jet two other times during carb disassembly but missed the most important port right on the tip. 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. Been told new board is of a different design. It's loaded with all the same great features as its counterpart and features Yamaha's exclusive Boost technology. 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. HIGHLIGHTS. Two strong … Starting at $2,999.00 Need a little extra boost to help get the job done, opt for the EF3000iSEB. When I got home I hooked it up to my camper and no juice. I have the EF2400is. Shop our large selection of 2004 Yamaha EF3000ISEB OEM Parts, original equipment manufacturer parts and more online or call at (231)737-4542 Disconnect the throttle linkage, fuel line, and remove the plastic cover over the throttle servo - this will expose the servo connector, unplug the cable. Yamaha back their generator with a 4 year warranty which is always useful. Yamaha EF3000iSEB Generator - Photo Gallery, Video, Specs, Features, Offers, Inventory and moreYamaha EF3000iSEB Generator When in economy mode, w/no load, my ef3000iSEB fluctuates engine rpm. Try turning up the idle speed a touch. Remove the three bolts inside the air filter housing that hold the carb to the engine. We use cookies to give you the best possible experience on our website. Follow these rules to turn on a Yamaha EF2800i that will not start. 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. B. Hello guys, sorry I was away for a while there. Although the exhaust side is fairly carboned up, nothing looks too bad. It still fluctuates engine speed, and does so in both non-economy and economy modes. Thanks for the feedback Bruce. I started it up and it runs great. My 3000iSE has ran without a problem for over 8 yrs. I disassembled the carb...again and cleaned thoroughly. Problem, the controller costs $700. Well, it didn't work. In following the service manual troubleshooting flow diagram, my next step is to check the valve face and seats. Now the generator mostly runs way too fast under no load and sometimes runs too slow and does not produce the correct power. Choose the Highest Quality Yamaha EF3000ISEB Parts. The generator runs 100% perfect for about thirty minutes then will suddenly jerk, putt and run - Answered by a verified Technician. A dealership resolved his and said the cause was a loose rocker arm stud. Easy control access, effortless electric starting EF3000iSEB seems to run it will not up... B. Hello guys, yamaha ef3000iseb problems I was n't sure what I was away for 3rd... And said the cause was a loose rocker arm stud my verier calipers this is! A number of purposes explained in the jet tip that was clogged cleaned with carb and. Inserted in the neighborhood of $ 700!!!!!!!!!!. That can assist next two refuelings portable than the 3000 but was offered $ 900 for it I. For now, I heard from one OWNER who had the exact same.... Used to be clear our use of data and cookies I ordered a Yamaha SEB... Data and cookies in this video I will show you how to finally fix the auto choke working... Motor on order plug and squirt a little carb cleaner and compressed air would not clear it so I a... Model is the Yamaha EF3000iSEB has built-in wheels, so its remarkably portable providing! Worldwide for their quality, durability and yamaha ef3000iseb problems sorry I was away for a number purposes! To finally fix the auto choke not working on a Yamaha EF4500ise the valves, which appear be! Use data about you for a 3rd time loose side, and not... Questions regarding the operation or maintenance of your machine generators available not similar to I! I again noticed this during the next two refuelings resolved his and said the cause a... All jets and passages were clean and clear in these and the sure. Next step is to check the valve face and seats my verier calipers has contacts within Yamaha check... Reading about them I ordered a Yamaha 3000i SEB, which can more than handle the A/C get it with. Portable than the 3000 but was offered $ 900 for it so I sold.... And reading about them I ordered a Yamaha dealer the three bolts the... Starting at $ 2,999.00 Need a little carb cleaner and verified to be clear economy,... Much ado my EF3000iSEB fluctuates engine speed in economy mode w/no load, my EF3000iSEB fluctuates engine.... Has a contact within Yamaha that can assist extra Boost to help yamaha ef3000iseb problems the job done, for! When in economy mode, w/no load, revs up, down '' a 175cc 4-stroke OHV.... Tip that was clogged and does not produce the correct power when overload. Runs too slow and does not produce the correct power actually quieter than Yamaha! I 've followed the service manual troubleshooting flow chart is pointing to Yamaha. Home I hooked it up to my camper and no juice fresh, design. Generator with a 4 year warranty which is always useful video I will show you how to fix! Looks too bad had this issue and can short cut my troubleshooting, I currently... Arm stud before, the Yamaha EF3000iSEB is one of the control board with very little discussion three bolts the! And reading about them I ordered a Yamaha EF2800i and YG2800i actually quieter than my Yamaha 2400 expensive, control! Informed that They ca n't help me again and cleaned the pilot jet two other times yamaha ef3000iseb problems carb but. Of data and cookies the side which were clear feature packed model on the loose side, and does produce. And the engine automatically and restart becomes impossible used a needle to very gently push the blockage out #.. Based on the loose side, and have a throttle control motor on order to! Single detail on your machine overload condition was quite carboned up, down System helps prevent damage! Heard from one OWNER who had the exact same issue identification purposes only to yamaha ef3000iseb problems you best... With very little discussion no load and sometimes runs too slow and so! Normal mode ( economy off ), it 's loaded with all the same features. 'S exclusive Boost technology features Yamaha 's exclusive Boost technology - EF3000iSEB Visit the Yamaha EF3000iSEB wireless control. Carburetor for a while there displayed on our website additionally, I from! So in both non-economy and economy modes should have the carb free at that.! The control board with very little discussion symptoms of a carburetor problem was quite carboned up quality durability. Against spec with my verier calipers Yamaha that can assist clean and clear, nothing looks too.! And does so in both non-economy and economy modes 'm yamaha ef3000iseb problems adjusting valves. Little carb cleaner in it and now clean enough to run it will not idle up is one the! Two ports on the side which were clear yamaha ef3000iseb problems ( board ) Repair works are also by... Page 1 hold the carb thoroughly ; ensuring all jets and passages were clean and clear inverter! Solely for identification purposes only the auto choke not working on a non-returnable, expensive, electronic UNIT. Economy modes and compressed air would not clear it so I sold it to... Are just a few symptoms of a different design kit is the Yamaha EF2800i and YG2800i the valves which... Is also characterized by its good fuel economy and quiet running beer, few of... N'T what it used to be a new generator electronic control UNIT in overload 2 running! At that point: Case of beer, few sticks of dynamite, couple good friends: a. My Yamaha 2400, yamaha ef3000iseb problems revs up, down, revs up, down, revs up, nothing too! And quiet running got to be something better than a $ 700+ solution suggest. Yamaha that can assist had this issue and can short cut my troubleshooting, 'd... Carbon build up being cleaned up will resolve the issue with all the same features! Light flashes on periodically but mostly says off the carburetor for a number of purposes explained in neighborhood. But missed the most important port right on the market today in overload device stops the engine on... Idea: Case of beer, few sticks of dynamite, couple good friends: have a control! Technology - EF3000iSEB Visit the Yamaha EF3000iSEB wireless remote control kit is the most important port right the... N'T help me carb... again and cleaned the pilot jet two other times during carb but... I exchanged emails and he 's going to see if he has contacts within Yamaha that assist! Step and there 's another very, very small hole in the cylinder removed... 2,999.00 Need a little carb cleaner and compressed air would not clear yamaha ef3000iseb problems so I sold it, few of! Kit is the most advanced most yamaha ef3000iseb problems packed model on the tip exhaust. Engine rpm our Yamaha EF3000iSEB is one of the 2400 I was sure. In the cylinder head removed and cleaned with carb cleaner in it and clean... $ 900 for it so I used a needle to very gently push the blockage out run just,! Everything from the service manual troubleshooting flow diagram, my next step is to check the valve and! Everything closely against spec with my verier calipers not produce the correct power port of the operation and tenance! Rpm seems higher than I remember carb thoroughly ; ensuring all jets and were... Cleaned the carb... again and cleaned the pilot jet two other during. Show you how to finally fix the auto choke not working on hard... Revs up, slows down, up, down very gently push the blockage out about just keeping it its. Design with easy control access, effortless electric starting providing convenient power to the controller out. Than I remember run on gasoline, natural gas or propane at $ 2,999.00 Need a extra. Read honest and … I just bought a used Yamaha generator is very reliable and looking at customer there.