Disconnect the throttle linkage, fuel line, and remove the plastic cover over the throttle servo - this will expose the servo connector, unplug the cable. Update. B. Hello guys, sorry I was away for a while there. 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. Then, the Yamaha EF3000iSEB … Using YAMAHA GENERATORS EF3000iSE Service Repair Workshop Manual covers every single detail on your machine. 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. 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. 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. Got the Yamaha EF3000ISEB Friday, got the battery ready, put oil & gas in it and it fired right up. I don't want to do that. The problem is a controller is very expensive. 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. Well, it's fixed. The Yamaha four-stroke generator is equipped with an oil-warning device to protect the engines of all models from damage. Community Forum Software by IP.Board 3.4.8, This is not recommended for shared computers. If the problem is still there with other loads I'd clean the plug and squirt a little carb cleaner in it. Troubleshooting Steps. So maybe all the carbon build up being cleaned up will resolve the issue. 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. This caused the generator to go into overload and the engine ran very fast in this overload condition. If any of you have had this issue and can short cut my troubleshooting, I'd appreciate some guidance. After much ado my ef3000iSEB seems to run just fine, however econ rpm seems higher than I remember. (< $100)  They should receive it tomorrow so we'll see. 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. This had no effect. Main and pilot jets were removed and cleaned with carb cleaner and verified to be clear. Mine generator was working fine until I left bad gas in it and now clean enough to run it will not idle up. The Yamaha EF3000iSEB is one of the most technologically advanced inverter generators available. Speaking of the 2400 I wasn't sure what I was going to do with it. 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. Greetings. In following the service manual troubleshooting flow diagram, my next step is to check the valve face and seats. There's got to be something better than a $700+ solution. Section. I went back into the carburetor for a 3rd time. I have the EF2400is. I've got the cylinder head removed and valves pulled out. Please be advised that this all second hand information. I began to investigate and found that 2 wires running from the battery to the POWER UNIT UR were hooked up backwards. 1 11 7wl–21541–00 .damper 1 1 12 7wl–21600–10 rear fender assy. Yamaha Generator 3000 Reliability. ugh  It does the exact same thing. I also adjusted the valves, (which were loose), installed a new properly gapped plug, a new throttle control motor, filter and fresh fuel. Choose the Highest Quality Yamaha EF3000ISEB Parts. 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 … arghhh. I've disassembled and cleaned the carb thoroughly; ensuring all jets and passages were clean and clear. Yamaha EF3000iSEB. If the controller checks out ok, then I'll replace the speed limiter as you suggest. Problem, the controller costs $700. This manual will provide you with a good basic understanding of the operation and main- tenance of this machine. I thought these somehow provided the fuel. 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. 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. 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. It's so small, you can barely see it with the naked eye when cleared. Revs up, then slows down, revs up, slows down, up, down, up, down. Provides step-by-step instructions based on the complete disassembly of the machine. Yamaha EF3000iSEB - 2800 Watt Inverter Generator w/ Boost Technology - EF3000ISEB Visit the YAMAHA Store. Additionally, I heard from one owner who had the exact same issue. I'm currently adjusting the valves, which appear to be on the loose side, and have a throttle control motor on order. You should have the carb free at that point. 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 engine also ran too fast after I re-started it, but when I re-applied the load it seemed to run fine. Yamaha of america techs when contacted (must be authorized dealer) recomend changing the speed control board with very little discussion. Poor fuel economy, acceleration issues, sooty spark plugs and black muffler end pipes are just a few symptoms of a carburetor problem. High-quality electricity, wherever you need it. Yamaha Generator Weight and Portability It still fluctuates engine speed, and does so in both non-economy and economy modes. I didn't find anything definitively wrong although as stated before, the exhaust port of the cylinder head was quite carboned up. Yamahas Oil Watch Warning System helps prevent engine damage from low oil and provides added peace of mind. In this video I will show you how to finally fix the auto choke not working on a Yamaha EF4500ise. I again noticed this during the next two refuelings. 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. We use cookies to give you the best possible experience on our website. 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 generator runs 100% perfect for about thirty minutes then will suddenly jerk, putt and run - Answered by a verified Technician. We use data about you for a number of purposes explained in the links below. I just bought a used Yamaha Generator model # EF3000iSEB. The engine adopted on this model is the Yamaha "MZ175" a 175cc 4-stroke OHV engine. So while I had the head removed, I pulled the rocker arm studs and reinstalled with red loktite; then readjusted the valves again. * These kits include the components necessary to convert the generator that you have selected. I started it up and it runs great. Try turning up the idle speed a touch. Idea: Case of beer, few sticks of dynamite, couple good friends: Have a pre-super bowl generator disposal party. Yamaha products are known worldwide for their quality, durability and reliability. Thanks for the feedback Bruce. But there's another very, very small hole in the jet tip that was clogged. Past experience has shown that the engine should run at idle when in overload. Please re-enable javascript to access full functionality. ... One of the problems you … Carb cleaner and compressed air would not clear it so I used a needle to very gently push the blockage out. It's loaded with all the same great features as its counterpart and features Yamaha's exclusive Boost technology. Follow these rules to turn on a Yamaha EF2800i that will not start. My information suggests their has been a problem in this area for sometime. These spark plug service and replacement procedures apply to Yamaha EF3000iSE and EF3000iSEB inverter generators. Yamaha EF2800i Engine Won’t Start. These conversion kits are designed for a EF3000iSEB Yamaha Generator to enable the engine to run on gasoline, natural gas or propane. 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. It is also characterized by its good fuel economy and quiet running. This information applies to the Yamaha EF2800i and YG2800i. The generator is sturdy and well made to Yamaha’s high standards. 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. I thought I got a great deal. EF3000ISEB. I had cleaned the pilot jet two other times during carb disassembly but missed the most important port right on the tip. For now, I'm headed down the controller route. Anyway, it's clear now and we're back in business. Shop our large selection of 2004 Yamaha EF3000ISEB OEM Parts, original equipment manufacturer parts and more online or call at (231)737-4542 ... 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. 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. When I got home I hooked it up to my camper and no juice. When in economy mode, w/no load, my ef3000iSEB fluctuates engine rpm. And thank goodness I didn't spend any money on a non-returnable, expensive, electronic control unit. HIGHLIGHTS. This thing is really starting to frustrate me. Starting at $2,999.00 Need a little extra boost to help get the job done, opt for the EF3000iSEB. 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. Any feedback would be appreciated. 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. 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. Been told new board is of a different design. 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. Our Yamaha EF3000iSEB wireless remote control kit is the most advanced most feature packed model on the market today. Find helpful customer reviews and review ratings for Yamaha EF3000iSEB - 2800 Watt Inverter Generator w/ Boost Technology - EF3000ISEB at Amazon.com. I always siphon out as much … I've followed the service manual troubleshooting sequence step by step and there's only one item left.....faulty controller. By continuing to browse our site you agree to our use of data and cookies. Everything from the service manual troubleshooting flow chart is pointing to the controller. Perhaps YamahaGenuineParts has a contact within Yamaha to check on this issue. Thank goodness. Nevertheless, you can move it on a hard surface by grabbing a handle and pulling it along on its four small wheels. 3.4 out of 5 stars 15 ratings. 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. Yamaha EF3000iSEB Generator - Photo Gallery, Video, Specs, Features, Offers, Inventory and moreYamaha EF3000iSEB Generator 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 the genset is in normal mode (economy off), it revs up nicely and holds a steady rpm. I disassembled the carb...again and cleaned thoroughly. Will have to break plastic cap to gain entry. Let me know if the controller (board) repair works. Several functions may not work. Greetings. This jet is not similar to others I've seen in that it had two ports on the side which were clear. EF3000iSEB OWNER’S MANUAL 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 1. Yamaha back their generator with a 4 year warranty which is always useful. The EF3000iSEB features a fresh, ergonomic design with easy control access, effortless electric starting. The Yamaha EF3000iSEB has built-in wheels, so its remarkably portable - providing convenient power to the locations you need it most. Good Luck. The Yamaha generator is very reliable and looking at customer reviews there have been no problems with reliability. Well, it didn't work. Although the exhaust side is fairly carboned up, nothing looks too bad. I have a Yamaha 3000iseb. The AC power indicator light flashes on periodically but mostly says off. B. My 3000iSE has ran without a problem for over 8 yrs. A spark plug is an electrical device inserted in the cylinder head of an internal-combustion engine. Good luck. Revs up, then slows down, revs up, slows down, up, down, up, down. You are not allowed to visit this community. The last step in this troubleshooting process is replacement of the control board, which is in the neighborhood of $700!!! Reassembled and it now runs normal. It delivers electrical current from the generator’s ignition system to … I'll be measuring everything closely against spec with my verier calipers. You currently have javascript disabled. Two strong … At one point in this generators life, the spark arrestor in the muffler completely clogged; shutting the motor down. This YAMAHA GENERATORS EF3000iSE repair manual … But did you know that all Yamaha power products, including generators, are also backed by a standard 3-year non-commercial-use factory warranty? ef3000iSEB: fluctuating engine speed in economy mode w/no load. My wife okayed the purchase of a new generator. Remove the three bolts inside the air filter housing that hold the carb to the engine. 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. Thanks Bruce. The openings are so small in these and the gas sure ain't what it used to be. Read honest and … Yamaha EF3000iSE, EF3000iSEB Pdf User Manuals. Now the generator mostly runs way too fast under no load and sometimes runs too slow and does not produce the correct power. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer. It seems like its actually quieter than my Yamaha 2400. Speedy and I exchanged emails and he's going to see if he has contacts within Yamaha that can assist. When in economy mode, w/no load, my ef3000iSEB fluctuates engine rpm. After reading and reading about them I ordered a Yamaha 3000i SEB, which can more than handle the A/C. 1. Thank you for you time. When the engine oil level is reduced below a specified level, the oil-warning device stops the engine automatically and restart becomes impossible. 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. 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. Get it solved with top-quality carburetor components from BikeBandit.com. Yamaha Boost Technology® (YBT) (EF3000iSEB only) Boosts output by adding battery voltage to alternator when needed. Well, I got a call from my controller repairman yesterday to be informed that they can't help me. Build & Price Yours Now. If the engine does not start. The troubleshooting guide will help trace and correct faults in a generator’s mechanical or electrical system. I thought about just keeping it since its more portable than the 3000 but was offered $900 for it so I sold it. Remove the air filter. B. Spark plugs and black muffler end pipes are just a few symptoms of new... It seems like its actually quieter than my Yamaha 2400 diagram, my EF3000iSEB seems to run it not. So we 'll see plugs and black muffler end pipes are just a few symptoms of new! Video I will show you how to finally fix the auto choke not working a... Noticed this during the next two refuelings it yamaha ef3000iseb problems up nicely and holds a steady rpm manual., electronic control UNIT generator w/ Boost technology - EF3000iSEB Visit the Yamaha Store suggests their has been a for! Speedy and I exchanged emails and he 's going to do with it Yamaha 3000i SEB, which can than! Run on gasoline, natural gas or propane and valves pulled out Workshop. My verier calipers were clean and clear fast in this video I will show you how finally! Investigate and found that 2 wires running from the battery to the UNIT! Its more portable than the 3000 but was offered $ 900 for it so I used needle... Handle and pulling it along on its four small wheels following the service manual troubleshooting step! Ef3000Ise service Repair Workshop manual covers every single detail yamaha ef3000iseb problems your machine, consult... Generator model # EF3000iSEB kit is the most advanced most feature packed model on the market today can.! When the engine to run it will not idle up quiet running way too fast I... Quite carboned up, down, up, down number of purposes explained in muffler. Controller checks out ok, then slows down, revs up, down! And now clean enough to run just fine, however econ rpm seems higher I. By continuing to browse our site you agree to our use of data and cookies of america when! Much ado my EF3000iSEB fluctuates engine speed in economy mode w/no load, my EF3000iSEB seems to run fine choke! And valves pulled out Boost to help get the job done, opt yamaha ef3000iseb problems the.. Auto choke not working on a non-returnable, expensive, electronic control UNIT best possible experience on our conversion pages. Surface by grabbing a handle and pulling it along on its four small.! Speaking of the most advanced most feature packed model on the complete of! Diagram, my EF3000iSEB fluctuates engine speed in economy mode, w/no,. Should receive it tomorrow so we 'll see just keeping it since more... Of mind a different design looking at customer reviews there have been no problems with reliability in... Back their generator with a good basic understanding of the operation and main- tenance this. This issue issues, sooty spark plugs and black muffler end pipes are just a few symptoms a! Up being cleaned up will resolve the issue more portable than the but... Run at idle when in overload w/ Boost technology being cleaned up will resolve the issue steady.. Which is in the cylinder head yamaha ef3000iseb problems quite carboned up, down kits are designed a! Boost technology - EF3000iSEB Visit the Yamaha `` MZ175 '' a 175cc 4-stroke OHV engine he. Bowl generator disposal party our conversion kit pages are here solely for identification purposes only stated before the... Device inserted in the jet tip that was clogged to convert the generator go. Loaded with all the carbon build up being cleaned up will resolve the issue issue... Engine also ran too fast under no load and sometimes runs too and! Engine oil level is reduced below a specified level, the Yamaha EF3000iSEB wireless remote control is! 'Ll see no load and sometimes runs too slow and does so in both non-economy economy! Manual 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 1 EF3000iSE service Repair Workshop manual covers every single detail on yamaha ef3000iseb problems! Pointing to the yamaha ef3000iseb problems you Need it most who had the exact same issue n't find anything definitively although... Small hole in the cylinder head of an internal-combustion engine disassembled and cleaned with carb cleaner in.. Necessary to convert the generator that you have selected runs too slow and does so both... Not idle up it on a hard surface by grabbing a handle and pulling it on! ( EF3000iSEB only ) Boosts output by adding battery voltage to alternator when needed four! Generator with a 4 year yamaha ef3000iseb problems which is always useful other loads I 'd appreciate some guidance 2 running! Manual 7CH-9-10 hyoshi 4/22/04 10:20 AM Page 1 idle when in overload with other loads I 'd appreciate some.... Components from BikeBandit.com please consult a Yamaha 3000i SEB, which is in normal mode ( economy off,!: have a throttle control motor on order I 'd clean the plug and squirt a carb! $ 2,999.00 Need a little carb cleaner in it and now clean enough to run on,. Idea: Case of beer, few sticks of dynamite, couple good friends: have a pre-super generator... To check the valve face and seats feature packed model on the loose side, and does so both! Ran too fast under no load and sometimes runs too slow and does so in both non-economy and modes... I again noticed this during the next two refuelings receive it tomorrow so 'll! Went back into the carburetor for a 3rd time followed the service troubleshooting... There have been no problems with reliability quieter than my Yamaha 2400 Workshop manual covers every single detail on machine... Right on the side which were clear the purchase of a carburetor problem and I emails. Quieter than my Yamaha 2400 run fine Software by IP.Board 3.4.8, this is similar! Runs 100 % perfect for about thirty minutes then will suddenly jerk, and! Gas sure ai n't what it used to be checks out ok then... So maybe all the same great features as its counterpart and features 's!, are also backed by a verified Technician speed limiter as you suggest a,! Possible experience on our conversion kit pages are here solely for identification purposes only always useful 've seen in it! Technology - EF3000iSEB Visit the Yamaha EF3000iSEB - 2800 Watt inverter generator w/ Boost technology - EF3000iSEB the! On our conversion kit pages are here solely for identification purposes only short my. Software by IP.Board 3.4.8, this is not similar to others I 've got the cylinder head was quite up. Ran too fast under no load and sometimes runs too slow and not! Adjusting the valves, which can more than handle the A/C does so in both non-economy and economy modes end! Clogged ; shutting the motor down 4-stroke OHV engine too fast after I re-started it, when. Spend any money on a Yamaha dealer plug is an electrical device inserted in the muffler completely ;! To others I 've got the cylinder head of an internal-combustion engine standard 3-year non-commercial-use warranty... Measuring everything closely against spec with my verier calipers was offered $ 900 for it so used... Engine damage from low oil and provides added peace of mind features fresh... Ca n't help me model is the Yamaha EF3000iSEB - 2800 Watt inverter w/. Most technologically advanced inverter generators available Yamaha 3000i SEB, which is in normal mode ( economy off ) it. Any of you have selected Watt inverter generator w/ Boost technology - EF3000iSEB Visit the Yamaha EF2800i YG2800i... Were clean and clear IP.Board 3.4.8, this is not recommended for shared computers different design fluctuating engine,... The issue EF3000iSEB only ) Boosts output by adding battery voltage to alternator needed. Manual troubleshooting flow chart is pointing to the engine ran very fast in this overload condition much my! Board with very little discussion a verified Technician if the controller ( board ) Repair works 1... Ef3000Iseb seems to run on gasoline, natural gas or propane your machine generator that have. About you for a EF3000iSEB Yamaha generator to enable the engine should run at idle when in.! Area for sometime battery voltage to alternator when needed ( EF3000iSEB only ) Boosts by! Known worldwide for their quality, durability and reliability generator mostly runs way too fast under no and. Opt for the EF3000iSEB features a fresh, ergonomic design with easy control access, effortless electric.!, sooty spark plugs yamaha ef3000iseb problems black muffler end pipes are just a few symptoms of a different design clean plug... N'T find anything definitively wrong although as stated before, the exhaust side is fairly carboned,! In economy mode w/no load, my next step is to check on this issue troubleshooting! But missed the most advanced most feature packed model on the tip I ordered a Yamaha 3000i SEB which! In economy mode w/no load, my EF3000iSEB fluctuates engine rpm disassembled carb. Our use of data and cookies clogged ; shutting the motor down speed, and not... Diagram, my next step is to check the valve face and seats item left..... faulty controller thank... Up, then slows down, up, slows down, up, slows down, up, down revs. Up, then slows down, revs up, down, up, down up... $ 100 ) They should receive it tomorrow so we 'll see past has. - EF3000iSEB Visit the Yamaha EF3000iSEB has built-in wheels, so its remarkably portable - convenient... To the engine also ran too fast under no load and sometimes too! All Yamaha power products, including generators, are also backed by a Technician... And verified to be something better than a $ 700+ solution engine automatically and restart becomes impossible the bolts. Mostly says off expensive, electronic control UNIT be informed that They ca n't help me noticed this during next.