The motor will start after priming and chocking but when I squeeze the throttle is just dies down.
I have fresh oil mix using Mantis oil have cleaned the air filter and a new spark plug last Spring.
I have used it several times this Spring and it has always ran great.
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Re: Engine won't keep running when using the throtle.
Hi Don. There are two adjustment screws on the carburetor. Start the engine and while it is idling, turn the screw closest the engine (low speed adjustment) counterclockwise until it starts to falter, then back a 'hair' and try the throttle again. If that doesn't work, I would recommend doing what I usually do... put a new carb on and be done with it! Carb is a Zama C1U-K54A
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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.
put machine in neutral pull the chock all the way out put throttle full open push in brake pedel all the way turn your key switch to start it if it hasnt run in a long time probably need to rebuild the carb if donsnt start try sqiurting some starting in the carb if it starts and dies it means carberator needs rebuilt you try to star it again this time before it dies keep it running with starting fluid just shoot short squirts in carb to keep it running do this for only 2 minutes if you keep doing it you will damage motor try that and see if it will run
remove the carburator.. It's plugged.
disassemble and soak the body in fresh gasoline for about 10 mins.
Blow out all the ports with small engine carb cleaner and reassemble.
Drain the gas tank , clean it and refill with fresh gas mixture
It doesn't take much to clog those little carbs
you might try cleaning the throttle body first. Buy some good Throttle body cleaner and a old tooth brush take off the air intake hose to the engine, have a friend hold the gas pedal to the floor with the engine off and spray and scrub the throttle body good replace the tube crank it up and rev it up a little to clear out the cleaner this may fix your problem
First, make sure all your ignition components test out good; ignition
coil, spark plugs, plug wires, power transformer, and even your
alternator and battery.
Next, check your fuel system; fuel pump, fuel filter, fuel pressure regulator, and even your fuel injectors. Many times a clogged fuel
filter can cause idling and hesitation problems. Also check for any
restricted air passages starting from your air filter, all the way to
your throttle body and EGR valve.ry checking the tps sensor (throtle positioning sensor). if the tps
sensor is not working right when the engine warms up the tps sensor
will not allow the fuel pump to pump as much as it needs to keep the
engine running. The reason it only happens when the engine warms up is
because the throttle is chocked when the engine is cold so it does not
take as much gas to run it.