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