have trouble getting to start all the time.
Garden

Experienced gardeners share their insights in answering this question :
You may need a new spark plug or have a dirty carb. Either one or both can cause your problem.

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

When the head doesn`t spin on your Weed Eater FeatherLite trimmer, the problem could be as simple as a buildup of debris between the head and the shaft. If that isn`t the problem, then there is a wrong connection between the trimmer head, flexible drive shaft and engine flywheel.
The most common problem with a strimmer not starting is that there`s a problem with the fuel mix. Double check that you`ve used 40 parts fresh unleaded petrol to 1 part 2-stroke oil (40:1). Check the petrol you`ve used isn`t stale.
Your Mower Won`t Start:

Other possible causes include: Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. Dirty Air Filter: Clean or replace. Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas.

A blocked or dirty fuel filter

You need air for your initial spark – and if oxygen cannot move readily through the system you will have problems both starting and keeping your whipper snipper running. Wash the air filter in soap and hot water, then allow to air-dry.

Worn clutch – Since the string trimmer clutch engages with one or more drive shafts attached to the trimmer head to rotate the head when the throttle trigger is depressed, a worn-out clutch may prevent the trimmer head from spinning. A new clutch assembly is relatively inexpensive and easy to install.
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. This sticky fuel can clog up the carburetor and cause the engine to stall.
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.
If your 2-stroke brushcutter fails to start, the simplest explanation is that there is not enough fuel: in this case you simply need to top it up. A 2-stroke brushcutter engine runs on fuel/oil mixture, which you can buy ready prepared, such as EFCO-Mix Alkilate alkylated mixture in a 5 L can.
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.
The possible causes of a lawn mower blade spinning but not cutting grass include a damaged or wrongly installed blade, a dull blade, or damaged lawnmower tires. Other possible reasons can be improper tire pressure, a clogged deck, or a broken mower belt.
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.
If you`ve used the correct procedure to start your Stihl trimmer and it does not start, the problem is likely related to either the spark, the fuel or the air circulation in the combustion chamber. More often than not, it`s an easy fix, possibly involving replacement of a spark plug or air filter.
One reason why one of these trimmers may die at full throttle is that too much oil is in the gas, which causes poor combustion. Improper operation, including overuse of the choke, can also be responsible. Poor combustion produces carbon deposits that foul the spark plug and exhaust port, making the problem worse.
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.
Unless your tool instructions specifically say to store the battery on the charger, be sure to remove it after charging is complete. Overcharging can damage a battery and shorten its life, and not all chargers shut off automatically.
The spark arrestor is located on the front of the muffler with a cover. The cover is attached with a 10 mm nut.
Check the following: Clogged muffler, clogged exhaust port, fuel restrictions, low compression, poor ignition spark, too much oil in gas or improper air/fuel mixture in carburetor. . Clean carburetor jets and air filter. Check clutch gear wheel for worn or greasy clutch pads.
2 strokes may have a more erratic idle just because of the way the engine works and the timing of each power stroke. A 2 stroke that doesn`t idle for more than 30 more than likely has the idle set too low or the jetting needs to be corrected.
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.
A cold engine won`t vaporise the fuel as well as it would in warmer conditions, so the choke helps enrich the mixture (either by adding in more fuel or cutting out airflow) to increase the amount of combustible vapour available to start the engine.
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.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

Weed eater starts but won't stay running – Weedeater 19 in 25cc Gas Hedge Trimmer
ANSWER : Probably “gum” and “varnish” build-up clogging the TINY passages [called ‘galleries”] inside the carb!

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The primer bulb has quite an air bubble in it so I am wondering does this mean that it leaks?
ANSWER : No. If you pump it and it draws gas, you are fine

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Troybilt trimmer primer bulb collapses. it will start occasionally but will only run a few minutes.i have replaced the primer bulb and gas lines and still have the same problems.
ANSWER : It should have a small vent in the fule tank cap if its blocked the primer bulb will be sucked in as the fule pump can **** any fule from the tank
check the tank cap first,,,,,

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I have a Craftsman Gold 6.0 mulching mower with a B&S engine on it that has been idle for about 10 years. It was only lightly used before that and I ran the gas tank dry before putting it away. Today I put gas in the tank pressed the primer bulb 3X and pulled the cord a few times without it starting. I noticed gas dribbling out of the little hole in the center of the primer bulb. It continuously drips and the gas is puddling on the top deck of the mower. Is this likely a problem with the primer bulb or something else? Thanks.
ANSWER : Sounds like the primer bulb dry rotted from sitting &/or the float is stuck in carb. If gas is indeed leaking from bulb. It will need to be replaced. While it is apart, clean carb inside & out with spray carb cleaner.

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Ryobi gas I changed the primer bulb and gas lines on my machine and now it doesn’t get any gas to the carb. The primer bulb pumps it up, when i take the gas line loose at the brass fitting on the bottom of the carb, gas spews out. If I pour gas straight into the carb, it will start and run until that gas is gone, then it goes dead. It’s like the gas goes to the fitting but won’t go into the carb, even if you pull the trigger like you were running the thing. Any suggestions? Gasless
ANSWER : Check the fuek lines for hole and leaks, check the fuel filter and clean if necessary. remove the carbuerator and inspect the gasket; it should be soft and flexible, if it seems hard or brittle replace it. clean the carb with carb cleaner sray (available at any local auto parts store) and compressed air. make sure you get inside the small fuel rail holes. also check the primer bulb for pin holes and proper seating/seal. if that doesn’t work have the carb repaired at a service center or replaced.

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I just put new fuel line on my trimmer now i cant start it not getting fuel the line never fills with fuel but i can **** fuel out so i know it not pinched it a weedeater brand ght-17
ANSWER : Make sure the little valve under the tank if you have one is fully turned clockwise. Make sure there is nothing clogging the tiny screen inside the fuel tank. Check or test your primer bulb it may be leaky. If carb or intake is leaking, you won’t get gas either. If you have a filter on this model, try changing it.

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What else should i try
ANSWER : Make sure lines are connected correctly. On the back of primer it is stamped In & out

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Have a craftsman 16″ chain saw 358.360260. Could not initially get it started after it had sat for a couple years with fuel stabilizer in it. When I went to use it the fuel had all evaporated and the fuel pick line was rotted. I replaced that with some difficulty but finally got it on. Saw still wouldn’t start. Replaced the fuel filter. Still wouldn’t start. Pulled the carb apart and cleaned and recleaned everything. Diaphragms were good and I didn’t adjust any of the mixture screws because as I said it ran fine before storage. Non of the carb passages were clogged. Fresh gas 40:1, good spark plug and good spark. Airfilter is good. Engine has maybe about 4 hours of total run time on it. It’s a ZAMA (?) carb. It will run for about 30 seconds when I manually prime it by pouring a small amount of fuel directly though the carb. When I was disassembling the carb the vent hose that goes back into the fuel tank seemed to have a small out of ?substance? in it which I cleaned out. It was right at the end the of the hose that goes back into the fuel tank and not up by the carb. It didn’t appear to be like your typical gummy deposits/varnish though. I hope it wasn?t some type of spongy check valve stuff that is supposed to be in there. That might explain some of my problems. Anyway, I also can not seem to get the primer bulb to fill. When I open the fuel tank, look in side and depress the primer bulb, air bubbles come out of the fuel filter. But when I let the bulb reexpand there’s no fuel that gets sucked up the hose. I can however seem to fill the primer bulb when the fuel tank is full and the chainsaw is laying on it?s pull cord side and the bulb is depressed a bunch of times. The saw will also start and run again for about 15 seconds then die. It’s definitely not getting/fuel and probably running out . Thanks.
ANSWER :

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