Try to relax and read our guide to possibly find the reason why your chainsaw won’t stay running. If the idle port of your chainsaw gets blocked or damaged, your chainsaw won’t stay running. If you have more chainsaw questions, here at Canberra Diamond Blade, we are happy to help! In the meantime, check out our other chainsaw articles answering questions like if it’s worth sharpening a chainsaw chain.
You should understand the issues and know how to fix the chainsaw as it helps you save money and time, and still have the saw running. Here, we shall discuss some of the problems that prevent a chainsaw from working and the best solutions as to why your chainsaw won’t stay running. If the chainsaw is on a flat surface, put your right foot on the handle while your left-hand holds the top of your chainsaw.
The primary reason that is why your chainsaw won’t stay running is the faulty carb. In your chainsaw, there is an idle port which is responsible to keep your chainsaw in idle position. Thus, the port will apply force to make your chainsaw stay running.
As unfortunate as it may be, this is a problem that everyone with a chainsaw will run into at one time or another: your chainsaw will fire, but will not idle or stay running. If your chainsaw has been sitting for a while, the gas in it may have either evaporated or gone bad, both of which will prevent your chainsaw from running correctly. The air intake system in chainsaws is relatively simple and is not likely to be the cause of many problems, if any, at all, but there is one piece that is worth checking if you can’t get your chainsaw to stay running.
High/Low carburetor adjustment and Idle screws allow the proper airflow through the engine. No matter whether you set this too high or too low- it will cause the engine to die at idle. The simplicity of a 2 cycle engine makes it fairly easy to diagnose and solve the problems you may experience when working with your chainsaw.
why chainsaw won’t stay running Related Question:
Why does my chainsaw stop running after a few minutes?
A clogged carburetor is often caused by leaving fuel in the chainsaw 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 chainsaw engine to stall.
Why does my chainsaw stop when I give it gas?
If the filter becomes clogged, not enough fuel will reach the engine for it to run properly. Because your chainsaw will idle, but dies when it is revved up to full power, it means that the filter is only partially clogged; it will allow enough fuel to the engine to run on idle, but not enough to sustain full throttle.
How do you fix a chainsaw that won’t idle?
If the saw still won’t idle, you have cleaned the air filter, got fresh gas mixed correctly, the plug is clean & gaped, and adjusting the idle screw hasn’t worked. The next likely problem is a faulty carburetor. Repair kits are available, but buying a whole carburetor is a much better option.
Why does my chainsaw stop running when it gets hot?
When your chainsaw quits after it gets hot, you either have a problem with gas flow being restricted into the engine or with the spark. This is a common occurrence on older-model chainsaws. By replacing your spark plugs and keeping your gas lines clear you can reduce the chances of this problem recurring.
Why does my Stihl chainsaw dies when I give it gas?
An engine stalls when it’s getting too much or not enough fuel from the carburetor. Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. If the saw stalls while it’s idling, adjusting the idle screw, which usually is marked LA, should help.
How do I know if my chainsaw spark plug is bad?
If it’s not producing any sparks at all, your chainsaw needs a new plug. If there are only a few sparks coming out of one side of the electrodes but none on the other side, it’s not bad enough for you to worry about, but it will affect your performance.
Can you clean a chainsaw carburetor without taking it apart?
To clean a carb, you have to take it apart. If it needs cleaning, the parts that need cleaning can’t be seen from the outside.
How do you clean a carburetor without removing it?
To clean a motorcycle carburetor without removing it, you’ll need to remove the bowls at the bottom of the carburetor. Once the bowls are removed, spray some carburetor cleaner up inside, wait a few minutes, then spray again to ensure coverage. Then replace the bowls and start the motorcycle to assess how it runs.
How often should you change the spark plug in a chainsaw?
A poorly functioning engine in a Stihl chainsaw can mean more work for the operator and can even be dangerous. Consequently, Stihl recommends replacing the spark plug after every 100 service hours.
Do chainsaws overheat?
Chainsaw engines run at high temperatures, usually in the summer, so they can quickly overheat. To prevent chainsaws from overheating they must be cleaned regularly. The cylinder and starter both contain air intake areas that pull cool outside air into the engine when it’s running.
Why does my Husqvarna chainsaw stall?
A clogged carburetor is often caused by leaving fuel in the chainsaw 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 chainsaw engine to stall.
What is the T adjustment on a Husqvarna chainsaw?
The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed. L Screw – With the chainsaw still running, take a screwdriver and turn the L screw clockwise. Keep turning it until the engine almost stops turning.