Question about Yamaha 2500 Watt Industrial Inverter Generator YG2800i

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Hello, I have a EF1000 that only wants to keep running while the sliding switch is in the start position (choked) even after it has warmed up. What's up with that?

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Can be dirt in carburator take of and clean well. blow with airgun on fuel restrictors. also check choke mechanisme.

Posted on Feb 10, 2010


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Ef1000 Yamaha running but not producing output

If it's been setting for a couple of years it might be best to get rid of the old fuel and put in a new spark plug. Check the air filter and even run cleaner through the carburetor if you can get the fuel jet out its possible to have a piece of dirt in it as well. That alone will keep the engine from not running properly..

Feb 09, 2018 | Garden

1 Answer

Starting procedure

Terry: According to

  • Put on a pair of safety glasses. Remove the fuel cap from the Weed Eater and set it aside. Fill the fuel tank with unleaded gasoline that has been mixed with quality 2-stroke oil in a 40:1 ratio. Replace the fuel cap.
  • Move the Weed Eater to a safe place and lay it flat on the ground. Depress the fuel bulb located beneath the carburetor approximately six times to prime the engine. Press it slowly so that fuel has adequate time to traverse the fuel line.
  • Slide the handlebar-mounted engine "On/Stop" switch to the "On" position. Slide the choke lever beneath the fuel tank to the "Full" position.
  • Depress the "Throttle Lock" lever located beside the engine "On/Stop" switch. Keeping the lever depressed, squeeze the throttle trigger. Release the throttle lock. This sequence holds the trigger in the depressed position, which aids in starting the Weed Eater.
  • Roll the Weed Eater so that it is resting on the engine and the trimmer head shield only. This will allow the spinning trimmer head to avoid contact with the ground. Brace the Weed Eater by holding it to the ground with one hand. Using your other hand, pull the starter rope quickly until the engine begins to run. Do not pull the rope more than a dozen times. If it fails to start by then, squeeze the throttle trigger and continue to pull until the engine starts.
  • Allow the Weed Eater to warm up for about 15 seconds, then slide the choke lever to the "Off" position. Let the trimmer run for another minute without touching the throttle lever. After the Weed Eater has warmed up, squeeze the throttle trigger once to disengage the throttle lock. The trimmer is now operational.

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    Jun 08, 2015 | Garden

    1 Answer

    How come weedwacker tries to crank while on choke but when you move lever to 2nd position it tries to crank? but wont

    When mine does that I go back and reprime repeating the process. It seems the gas does not feed up fully with the initial priming effort. Once it starts I move the choke lever quickly on way or the other to see if I can keep it running until it gets warmed up. Sometimes I have to adjust the choke setting even after it has run for a while.

    Sep 21, 2014 | Craftsman WeedWacker Gas Trimmer 25cc...

    1 Answer

    Choke trigger on the handle will not lock to start the chainsaw

    more information please..

    To lock the choke on:-
    1. depress dead mans trigget on top of back handle
    2. squeeze throttle trigger fully in.
    3. slide on switch fully down to 'full choke' position. 'it should stay there'.
    4. Pull saw over until it fires once.
    5. click 'on' switch up one position to 'half choke'
    6. pull saw over again, saw should start running and be revving high.
    7. 'blip' throttle, saw should stop revving and run on tick over.

    Dec 31, 2012 | Stihl MS181 14" Chainsaw

    1 Answer

    Starting procedure for stihl 012 av

    Full choke, stop switch on run. Pull rope handle 3-4 times or more until it "tries to start" (it will not start, but it will try to for a split second) move the choke lever to the half-choke position and without pulling the throttle, poll the rope handle until the engine fires and runs for 4-5 seconds then fully open the choke to the run position, let it warm up for 25-30 seconds (don't forget to let it cool down about 45-60 seconds before you turn it off!) and then proceed to use it.

    Aug 07, 2012 | Stihl Garden

    2 Answers

    Correct start proceedure

    My name is Dane and I am going to help you solve your problem.
    I don't know what homelite says, but I have found that this works well on any 2 cycle engine.
    1. Push the primer bulb between 3 to 5 times.
    2. Place choke on full.
    3. Pull rope until engine fires once or starts.
    4. Move choke to half choked position and allow to warm up.
    5. When warm place choke in run position

    If it doesn't attempt to start within the first 3-6 pulls, check your spark plug and make sure your fuel/oil mixture is correct.
    I hope I've helped! Thank you! Dane

    Dec 26, 2010 | Homelite Mighty Lite Lawn Trimmer

    1 Answer

    It starts and runs but when you turn it off it won't restart.

    I think the warm start procedure in the manual is causing it to flood. Try it like this, if you continue having problems reply below and we will try something else. PLEASE read #3 (Cold and Warm) a few times before attempting to start. Try it without 1/2 choke (your manual); completely open.
    Start Procedure
    1. Ignition on/off to on.
    2. Set compression release – optional step even if saw is equipped with a compression release.
    3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4).
    4. Set compression release – optional step even if saw is equipped with a compression release.
    5. Push (open) choke pull starter until it starts. (usually first pull).
    1. Ignition on/off to on.
    2. Set compression release – optional step even if saw is equipped with a compression release.
    3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed or at 1/2 choke position.
    4. Push (open) choke, pull starter until it starts. (usually first pull).
    Hope this helps.

    Feb 21, 2010 | Poulan Garden

    2 Answers

    Will only run in full choke mode

    Try a fuel additive to clean the system, also if the airfilter is dirty or damp, this can cause problems.
    You may even have a rust problem in the barrels.
    Or even the engine oil may have thickened causing a resistance in the crank bearings, so flush the engines oil ways if other solutions don't work.

    Jun 18, 2009 | 1997 Honda VT 1100 C Shadow Spirit

    1 Answer

    Must use full choke position to keep it running.

    I would say the carb. needs to be taken apart and the little ports blown out with air.
    Also ,check the tank for dirt.

    Apr 24, 2009 | Briggs & Stratton Garden

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