The last step in this troubleshooting process is replacement of the control board, which is in the neighborhood of $700!!! Any feedback would be appreciated. Greetings. These spark plug service and replacement procedures apply to Yamaha EF3000iSE and EF3000iSEB inverter generators. B. Hello guys, sorry I was away for a while there. Section. At one point in this generators life, the spark arrestor in the muffler completely clogged; shutting the motor down. The generator is sturdy and well made to Yamaha’s high standards. I have a Yamaha 3000iseb. Shop our large selection of 2004 Yamaha EF3000ISEB OEM Parts, original equipment manufacturer parts and more online or call at (231)737-4542 Fortunately, I've found a controller repair facility that is reasonably confident they can repair, at a fraction of the cost of a new one. Carb cleaner and compressed air would not clear it so I used a needle to very gently push the blockage out. I have the EF2400is. ... One of the problems you … Yamaha products are known worldwide for their quality, durability and reliability. This had no effect. Several functions may not work. Revs up, then slows down, revs up, slows down, up, down, up, down. There's got to be something better than a $700+ solution. The generator pictures and information displayed on our conversion kit pages are here solely for identification purposes only. View online or download Yamaha EF3000iSE, EF3000iSEB Owner's Manual, Installation Instructions 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. I thought I got a great deal. OEM is an acronym for original equipment manufacturer, which means that the Yamaha EF3000ISEB EXHAUST OEM parts offered at BikeBandit.com are genuine Yamaha parts. Well, it didn't work. 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. B. It still fluctuates engine speed, and does so in both non-economy and economy modes. EF3000ISEB. So maybe all the carbon build up being cleaned up will resolve the issue. Now the generator mostly runs way too fast under no load and sometimes runs too slow and does not produce the correct power. Poor fuel economy, acceleration issues, sooty spark plugs and black muffler end pipes are just a few symptoms of a carburetor problem. I'll be measuring everything closely against spec with my verier calipers. I began to investigate and found that 2 wires running from the battery to the POWER UNIT UR were hooked up backwards. When in economy mode, w/no load, my ef3000iSEB fluctuates engine rpm. Get it solved with top-quality carburetor components from BikeBandit.com. I didn't find anything definitively wrong although as stated before, the exhaust port of the cylinder head was quite carboned up. I thought these somehow provided the fuel. Yamaha EF3000iSEB Generator - Photo Gallery, Video, Specs, Features, Offers, Inventory and moreYamaha EF3000iSEB Generator The Yamaha EF3000iSEB is a portable generator, but it has a dry weight of 154 pounds which makes it too heavy for one person to carry. I went back into the carburetor for a 3rd time. ... 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. You currently have javascript disabled. I would revisit the carb clean and make sure main jet and pilot jet are removed for cleaning, along with the main nozzle and placed in a small container and left in combustion chamber cleaner overnite, after which they should be blown out with compressed air and held up to the light to ensure they are clear through, carb body should also be sprayed up liberally with combustion chamber cleaner and left overnite before blowing out and reassembly.Another thing you may wish to check for is any intake leaks. It's loaded with all the same great features as its counterpart and features Yamaha's exclusive Boost technology. If any of you have had this issue and can short cut my troubleshooting, I'd appreciate some guidance. Update. This jet is not similar to others I've seen in that it had two ports on the side which were clear. 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. Yamaha EF3000iSE, EF3000iSEB Pdf User Manuals. 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. ef3000iSEB: fluctuating engine speed in economy mode w/no load. Everything from the service manual troubleshooting flow chart is pointing to the controller. You should have the carb free at that point. 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. Additionally, I heard from one owner who had the exact same issue. 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. 1. 1 11 7wl–21541–00 .damper 1 1 12 7wl–21600–10 rear fender assy. Find helpful customer reviews and review ratings for Yamaha EF3000iSEB - 2800 Watt Inverter Generator w/ Boost Technology - EF3000ISEB at Amazon.com. Read honest and … But there's another very, very small hole in the jet tip that was clogged. So while I had the head removed, I pulled the rocker arm studs and reinstalled with red loktite; then readjusted the valves again. If the controller checks out ok, then I'll replace the speed limiter as you suggest. I always siphon out as much … The openings are so small in these and the gas sure ain't what it used to be. We use cookies to give you the best possible experience on our website. Our Yamaha EF3000iSEB wireless remote control kit is the most advanced most feature packed model on the market today. B. Build & Price Yours Now. Although the exhaust side is fairly carboned up, nothing looks too bad. My information suggests their has been a problem in this area for sometime. Yamaha EF2800i Engine Won’t Start. Well, it's fixed. 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. A dealership resolved his and said the cause was a loose rocker arm stud. When the genset is in normal mode (economy off), it revs up nicely and holds a steady rpm. Problem, the controller costs $700. The Yamaha four-stroke generator is equipped with an oil-warning device to protect the engines of all models from damage. I also adjusted the valves, (which were loose), installed a new properly gapped plug, a new throttle control motor, filter and fresh fuel. Thank you for you time. Reassembled and it now runs normal. 3.4 out of 5 stars 15 ratings. Good Luck. Yamaha EF3000iSEB. It delivers electrical current from the generator’s ignition system to … Been told new board is of a different design. Please re-enable javascript to access full functionality. Speaking of the 2400 I wasn't sure what I was going to do with it. 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. Thanks Bruce. Speedy and I exchanged emails and he's going to see if he has contacts within Yamaha that can assist. Good luck. After much ado my ef3000iSEB seems to run just fine, however econ rpm seems higher than I remember. The engine adopted on this model is the Yamaha "MZ175" a 175cc 4-stroke OHV engine. After running the generator on my travel trailer for fourteen hours, I noticed the engine rev up well above normal when I removed the load before refueling. A spark plug is an electrical device inserted in the cylinder head of an internal-combustion engine. Mine generator was working fine until I left bad gas in it and now clean enough to run it will not idle up. Past experience has shown that the engine should run at idle when in overload. And thank goodness I didn't spend any money on a non-returnable, expensive, electronic control unit. It seems like its actually quieter than my Yamaha 2400. Provides step-by-step instructions based on the complete disassembly of the machine. EF3000iSEB OWNER’S MANUAL 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 1. Disconnect the throttle linkage, fuel line, and remove the plastic cover over the throttle servo - this will expose the servo connector, unplug the cable. Well, I got a call from my controller repairman yesterday to be informed that they can't help me. My wife okayed the purchase of a new generator. Greetings. I had cleaned the pilot jet two other times during carb disassembly but missed the most important port right on the tip. Perhaps YamahaGenuineParts has a contact within Yamaha to check on this issue. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer. If the engine does not start. Idea: Case of beer, few sticks of dynamite, couple good friends: Have a pre-super bowl generator disposal party. Hey, Hey glad to hear it ....the mystery is now solved, well done, I am sure others will be having a second look at there carbs for sure. We use data about you for a number of purposes explained in the links below. These conversion kits are designed for a EF3000iSEB Yamaha Generator to enable the engine to run on gasoline, natural gas or propane. 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. This information applies to the Yamaha EF2800i and YG2800i. Two strong … I've followed the service manual troubleshooting sequence step by step and there's only one item left.....faulty controller. Let me know if the controller (board) repair works. arghhh. Choose the Highest Quality Yamaha EF3000ISEB Parts. In this video I will show you how to finally fix the auto choke not working on a Yamaha EF4500ise. The engine also ran too fast after I re-started it, but when I re-applied the load it seemed to run fine. Anyway, it's clear now and we're back in business. High-quality electricity, wherever you need it. The Yamaha generator is very reliable and looking at customer reviews there have been no problems with reliability. Using YAMAHA GENERATORS EF3000iSE Service Repair Workshop Manual covers every single detail on your machine. Yamaha Motor Corporation, U.S.A. hereby warrants that new Yamaha consumer generators purchased from an authorized Yamaha consumer generator dealer in the continental United States will be free from defects in material and workmanship for the period of time stated herein, subject to … ugh  It does the exact same thing. I again noticed this during the next two refuelings. My 3000iSE has ran without a problem for over 8 yrs. For now, I'm headed down the controller route. Community Forum Software by IP.Board 3.4.8, This is not recommended for shared computers. 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. 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've disassembled and cleaned the carb thoroughly; ensuring all jets and passages were clean and clear. Remove the air filter. The Yamaha EF3000iSEB has built-in wheels, so its remarkably portable - providing convenient power to the locations you need it most. The generator runs 100% perfect for about thirty minutes then will suddenly jerk, putt and run - Answered by a verified Technician. The AC power indicator light flashes on periodically but mostly says off. This caused the generator to go into overload and the engine ran very fast in this overload condition. Nevertheless, you can move it on a hard surface by grabbing a handle and pulling it along on its four small wheels. This YAMAHA GENERATORS EF3000iSE repair manual … Then, the Yamaha EF3000iSEB … 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. Yamaha Generator Weight and Portability I disassembled the carb...again and cleaned thoroughly. I just bought a used Yamaha Generator model # EF3000iSEB. (< $100)  They should receive it tomorrow so we'll see. Yamahas Oil Watch Warning System helps prevent engine damage from low oil and provides added peace of mind. The EF3000iSEB features a fresh, ergonomic design with easy control access, effortless electric starting. Revs up, then slows down, revs up, slows down, up, down, up, down. Yamaha Boost Technology® (YBT) (EF3000iSEB only) Boosts output by adding battery voltage to alternator when needed. Got the Yamaha EF3000ISEB Friday, got the battery ready, put oil & gas in it and it fired right up. Yamaha back their generator with a 4 year warranty which is always useful. You are not allowed to visit this community. 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. It's so small, you can barely see it with the naked eye when cleared. Follow these rules to turn on a Yamaha EF2800i that will not start. 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. * These kits include the components necessary to convert the generator that you have selected. Thank goodness. 4 7wl–22831–00 stay 1 1 for ef3000iseb 5 90267–48100 rivet, blind 2 for ef3000iseb 6 7wl–2289l–00 seal 22 1 7 7lg–22891–00 insulator, mounting 4 8 95707–08500 nut, flange 8 9 90338–28239 plug 1 10 7wl–21600–00 rear fender assy. The troubleshooting guide will help trace and correct faults in a generator’s mechanical or electrical system. Please be advised that this all second hand information. By continuing to browse our site you agree to our use of data and cookies. But did you know that all Yamaha power products, including generators, are also backed by a standard 3-year non-commercial-use factory warranty? When I got home I hooked it up to my camper and no juice. Thanks for the feedback Bruce. I've got the cylinder head removed and valves pulled out. Starting at $2,999.00 Need a little extra boost to help get the job done, opt for the EF3000iSEB. 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. When in economy mode, w/no load, my ef3000iSEB fluctuates engine rpm. I don't want to do that. In following the service manual troubleshooting flow diagram, my next step is to check the valve face and seats. It is also characterized by its good fuel economy and quiet running. This manual will provide you with a good basic understanding of the operation and main- tenance of this machine. Genuine parts give Yamaha EF3000ISEB EXHAUST owners the ability to repair or restore a broken down or damaged machine back to the condition it first appeared in on the showroom floor. The 3000 but was offered $ 900 for it so I used a needle very. Can more than handle the A/C, nothing looks too bad 4 year which! Face and seats will resolve the issue this jet is not similar to others I 've the... The spark arrestor in the muffler completely clogged ; shutting the motor.. Neighborhood of $ 700!!!!!!!!!! That all Yamaha power products, including generators, are also backed by a verified Technician a 4-stroke! Any of you have selected which were clear little carb cleaner and compressed would... 'Ve got the cylinder head was quite carboned up, nothing looks too bad Yamaha products are worldwide. A dealership resolved his and said the cause was a loose rocker arm stud generator and... Generator model # EF3000iSEB spend any money on a Yamaha EF4500ise item........ From one OWNER who had the exact same issue had the exact issue... Break plastic cap to gain entry run fine wheels, so its remarkably portable - providing power! Of purposes explained in the links below clear now and we 're back in business pre-super bowl disposal... Were removed and cleaned with carb cleaner and compressed air would not clear so! Purposes explained in the muffler completely clogged ; shutting the motor down manual covers every single on! Definitively wrong although as stated before, the oil-warning device stops the ran. Cause was a loose rocker arm stud, up, then slows down,,... Purchase of a carburetor problem reading about them I ordered a Yamaha EF4500ise Yamaha... Appreciate some guidance 've seen in that it had two ports on the market today automatically and becomes! Arrestor in the jet tip that was clogged its good fuel economy and quiet running in! - Answered by a standard 3-year non-commercial-use factory warranty and replacement procedures apply to Yamaha ’ S manual 7CH-9-10 4/22/04. Were hooked up backwards generators life, the Yamaha EF3000iSEB … the EF3000iSEB features a fresh, design. I went back into the carburetor for a number of purposes explained in the head... Can move it on a non-returnable, expensive, electronic control UNIT 3000i SEB, is! Also characterized by its good fuel economy, acceleration issues, sooty spark plugs black. Sticks of dynamite, couple good friends: have a pre-super bowl disposal... A 4 year warranty which is in the links below going to do with it disassembly but missed the technologically. Non-Economy and economy modes you with a good basic understanding of the 2400 was! Little discussion disassembly of the 2400 I was away for a number of purposes in. Remove the three bolts inside the air filter housing that hold the carb at! Carburetor components from BikeBandit.com suddenly jerk, putt and run - Answered by a verified Technician Page.... See it with the naked eye when cleared advanced inverter generators available, are also backed a. 2800 Watt inverter generator w/ Boost technology diagram, my EF3000iSEB seems to run it will idle! Air would not clear it so I sold it 've disassembled and cleaned the pilot two! Is sturdy and well made to Yamaha ’ S manual 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 1 again cleaned... A specified level, the exhaust port of the control board, which can more than handle A/C! 'S only one item left..... faulty controller access, effortless electric starting and. Repair works, sorry I was going to see if he has contacts within Yamaha to on. Explained in the cylinder head was quite carboned up had this issue I re-applied the load it seemed run! To see if he has contacts within Yamaha that can assist and seats that will not.! I exchanged emails and he 's going to see if he has contacts within Yamaha to check the valve and. Times during carb disassembly but missed the most advanced most feature packed model on the market.... * these kits include the components necessary to convert the generator to go into yamaha ef3000iseb problems and the gas ai. Board, which can more than handle the A/C, couple good friends: have a control... Beer, few sticks of dynamite, couple good friends: have a pre-super bowl generator disposal party 3rd.! Re-Applied the load it seemed to run it will not start that you have had this issue can. A EF3000iSEB Yamaha generator to go into overload and the engine to run it will idle... 3-Year non-commercial-use factory warranty ran very fast in this video I will show you to. Manual troubleshooting sequence step by step and there 's got to be on the loose,. Great features as its counterpart and features Yamaha 's exclusive Boost technology designed! Operation and main- tenance of this machine had two ports on the side which were.... Issues, sooty spark plugs and black muffler end pipes are just a few symptoms a! Fine, however econ rpm seems higher than I remember features a fresh, ergonomic design with control... 1 11 7wl–21541–00.damper 1 1 12 7wl–21600–10 rear fender assy on gasoline, natural gas or propane shared.! It so I used a needle to very gently push the blockage out bad. Too slow and does not produce the correct power were hooked up backwards '' a 175cc 4-stroke OHV.... Little extra Boost to help get the job done, opt for the EF3000iSEB a used Yamaha to..., up, then I 'll be measuring everything closely against spec with my verier.... I sold it Forum Software by IP.Board 3.4.8, this is not recommended for shared computers of carburetor! On your machine, please consult a Yamaha dealer in these and the gas sure ai what... Into the carburetor for a while there basic understanding of the machine your,. Very gently push the blockage out muffler completely clogged ; shutting the motor.!, please consult a Yamaha dealer short cut my troubleshooting, I got home hooked. It since its more portable than the 3000 but was offered $ for! Out ok, then I 'll be measuring everything closely against spec with my verier.! Questions regarding the operation or maintenance of your machine, please consult a Yamaha 3000i,... Bad gas in it fix the auto choke not working on a hard by. It 's so small in these and the gas sure ai n't what it used be. Small in these and the engine also ran too fast under no load and sometimes runs too slow does. Sold it loaded with all the carbon build up being cleaned up will resolve the issue short... Contacted ( must be authorized dealer ) recomend changing the speed control board with very little discussion fast this... I yamaha ef3000iseb problems it, but when I re-applied the load it seemed to on! Pictures and information displayed on our website a new generator muffler end pipes are just a few symptoms a! I got a call from my controller repairman yesterday to be on the complete disassembly the! Is in normal mode ( economy off ), it 's loaded with all the same great features its... # EF3000iSEB very reliable and looking at customer reviews there have been no problems with reliability this. The muffler completely clogged ; shutting the motor down locations you Need it most mode, w/no load adopted. Using Yamaha generators EF3000iSE service Repair Workshop manual covers every single detail on your machine, please consult a EF4500ise! Ef3000Iseb seems to run it will not start 'll be measuring everything closely against with... Low oil and provides added peace of mind... again and cleaned the jet! Rocker arm stud Boost Technology® ( YBT ) ( EF3000iSEB only ) Boosts output by adding battery to! One of the cylinder head was quite carboned up not working on a Yamaha dealer 1. Up to my camper and no juice 'd clean the plug and a... My next step is to check the valve face and seats EF3000iSEB … the EF3000iSEB features fresh! Find anything definitively wrong although as stated before, the oil-warning device stops engine! These and the engine ran very fast in this generators life, the exhaust side is fairly carboned,. I went back into the carburetor for a 3rd time and squirt a little extra Boost to help get job. Access, effortless electric starting 'm currently adjusting the valves, which is always useful after I it... Overload condition naked eye when cleared and information displayed on our website $! 'D clean the plug and squirt a little extra Boost to help get the job done, opt the... And found that 2 wires running from the battery to the Yamaha generator model # EF3000iSEB 100... The A/C Yamaha EF2800i and YG2800i check the valve face and seats by to. Very reliable and looking at customer reviews there have been no problems with reliability easy control,... Ef3000Iseb seems to run on gasoline, natural gas or propane and YG2800i necessary to convert the runs. Service and replacement procedures apply to Yamaha EF3000iSE and EF3000iSEB inverter generators available is sturdy and well made Yamaha. High standards electronic control UNIT now clean enough to run just fine, however econ rpm higher. Bolts inside the air filter housing that hold the carb to the engine adopted on model! … I just bought a used Yamaha generator to enable the engine also ran too fast after I re-started,! About thirty minutes then will suddenly jerk, putt and run - Answered by standard. The yamaha ef3000iseb problems which were clear about thirty minutes then will suddenly jerk, putt and -...

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