22 in. Gas Walk Behind Wheeled Trimmer

Has a float type carburator instead of a diaphram, getting gas to the carburator.

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If your trimmer engine idles, but stalls on throttle, check the following parts: the gasket, primer bulb, fuel filter, air filter, fuel vent, fuel line, and carburetor. The repair and symptom guide will help you better identify the part needed to be replaced and how.
The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance.
When the spark arrestor is clogged, the engine can`t get rid of its exhaust gases, and it won`t keep running. The spark arrestor is a screen located just behind the muffler. Pull it out and clean or replace it.
When your trimmer starts and runs on choke, it could be because the check valve in the gas cap is clogged. Start the trimmer and gently unscrew the gas cap halfway off. Turn the choke off and assess. If the engine is still running, that means the gas cap may be the culprit.
So, an air filter might clog over time. Once blocked with dust and debris, it cannot supply the required amount of oxygen to your trimmer` engine resulting in power loss. Find the air filter, take out this component, clean and reassemble it. Replace the part if you cannot reuse it.
The most likely culprit is a dirty or clogged air filter. Issues with your fuel pump or fuel filter can also cause your engine to idle then die with any throttle. If you have an older car, it could also be a bad carburetor.
Sometimes the spark arrestor screen can become clogged up itself. Common symptoms include lack of power, especially under load; poor acceleration; engine won`t come up to full RPM; and higher than normal “spit back” through the carburetor.
Clean the clipper to remove any hair clipping or grease accumulation. Place your new blades on the clipper and screw them loosely. Align your blades and hold them in place using your other hand. Gently, tighten the clipper`s screws simultaneously to maintain blade alignment.
If the engine is not revving up and cuts out before you reach higher revs then you need to do the following checks: Fuel: Make sure it is fresh and correctly mixed (see `Starting Issues`). Air filter: Make sure it is clean and unclogged. Fuel cap: Make sure it`s hand-tight.
The choke is located before the throttle, and manages the total amount of air going into the engine. The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in.
Turn on the ignition switch and pull the starting cord quickly. You should see a spark in the plug gap. Since the spark may be faint, it may help to do the test in a dark area. If there is no spark, check for a broken or shorted (bare) lead wire or bad switch.
You have a large yard.

A vast majority of the cordless electric string trimmers in our ratings last for 30 minutes or less, cutting on a single charge. Gas trimmers will run indefinitely as long as you keep adding gas.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Wont stay running – Mtd 22" Yard Machine Push Mower
ANSWER : Under neath the carby is a single brass bolt, undo it

that one bolt is a multi jet, find four holes use a fine pin and carby cleaner ,hint one is at the top were the thread starts , one is in the inside center and two in the sides
put it back in and prim and start, hope it helps

Poulan pro chain wont stay running – Poulan Pro Chain Saw 46cc 20"
ANSWER : Keep “poulan” ha ha

Wont stay running
ANSWER : Bad fuel or check for water in your fuel! Clean your carb and float bowl. Empty gas
into a clear container, if there is two levels of liquid one of them is
water. Of course make sure you have good spark plug.

Carb problems wont stay running unless i unplug and plug in the anti diesel switch the plug on the fuel bowl
ANSWER : Check and see if all your carb jets or clean sound like some dirt got into one

Where is the primer ball
ANSWER : It may not have a primer ball. If it does, it would be attached to the carberator. If it starts, but won’t stay running, that could mean your carberator needs to be cleaned/serviced.

Does not run, will start with starting fluid – Mantis 2-Cycle Tiller
ANSWER : You should never use starting fluid on this model.

Add a couple of ounces of 100% acetone (available at Walmart) to some fresh fuel. Attempt to start for several pulls. Let sit for several minutes and repeat until it sounds like it wants to run.

Then watch this video and do it:

http://www.alamia.us/mantis_parts_s/148.htm

Why gas toro weedeater wont stay running – Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
ANSWER : The diaphragm in the carburettor is worn out.

My push mower will start good but wont stay running..could gas that was left in it over the winter be the problem or just the wrong kind of gas
ANSWER : Does it have a fuel tap or not, if it doesnt then the fuel that was left in the carby has gone to jelly or harder ,a carby service should do the trick and save you money in the long run