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