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.
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.
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.
chainsaw does not 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 stall out 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.
Why does my chainsaw cut out after starting?
If your chainsaw stalls instead of producing the reassuringly high-pitched sound of a healthy engine when you press the throttle trigger, something is interfering with efficient fuel combustion. The problem could be a lack of air or a misfiring spark plug, and both of these problems are easy to check and remedy.
How do you clean the carburetor on a chainsaw?
Let the chainsaw run at low RPMs/idle for a while. This is to let the cleaner run through the carburetor, the fuel lines, and the idle engine. The cleaner will wipe remove the gummy residue blocking the components to create a clean passageway for the air and fuel. As the RPMs begin to increase, turn down the idle knob.
Why does my Stihl chainsaw bog down when I give it gas?
The Job of the Carburetor One controls the fuel mixture when the engine is idling, one controls it when the engine is operating at low speed and one is for high-speed fuel control. When the saw bogs down during cutting, it’s usually the high-speed screw you need to adjust.
Why does my chainsaw only run with the choke on?
When your chainsaw only runs if the choke is on the problem, in most cases, is a result of fuel supply problems or a faulty carburetor. To fix the problem you should check and clean the fuel system and carburator.
How do you start a stubborn chainsaw?
Try to start the chainsaw after priming the carburetor. 5. Activate the choke by moving the lever to the full choke position and pull the starter rope 3 or 4 times to start the engine. If that doesn’t work, move the choke lever to half choke and pull the starter rope, 6 times maximum, to start the engine.
Can you clean carburetor without removing?
Use carburetor cleaner to remove deposits, clogs & debris Deposits inside the carburetor can clog fuel and air passages and reduce performance or stop the engine altogether. Luckily, you can take care of many of these problems quickly and easily; often without even removing the carburetor from the engine.
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.
Why does my chainsaw bog down at full throttle?
If your chainsaw is bogging down when you give it throttle, this is often a sign of improper gas-to-oil ratio. If there is too much gasoline in relation to the amount of oil used, this is known as a “rich mixture” and can cause the chainsaw to run poorly.
Why does my chainsaw rev too high?
The throttle valve (butterfly) simply cuts off the supply of combustible air/fuel and the engine stops. If this adjustment is set too high, the high idle speed will cause the centrifugal clutch to engage and the chain will run. This is a dangerous condition and should never be allowed.
Will a chainsaw run without a fuel filter?
While it’s possible to run your chainsaw without a fuel filter, but this is not recommended. When a fuel filter is clogged, it can cause considerable damage to the engine and leave your chainsaw unusable.
What is choke on a saw?
The choke position is the fourth setting on the master control lever. This setting is used to start the saw when its motor is cold. Stihl chainsaws denote the choke position using a nearly horizontal squiggle between two vertical lines at the lowest position on the master control lever.
Why is my chainsaw not getting fuel?
If your chain saw isn’t getting gas, the trouble most likely lies in one of those three core components: the fuel tank, the spark plug or the carburetor, or one of the minor parts adjacent to the three.
Can you use wd40 to clean a carburetor?
WD-40 Specialist® Carb/Throttle Body & Parts Cleaner with attachable precision straw is the only all-in-one carburetor cleaner spray you will need to clean your carburetor, throttle body, and unpainted metal parts. What makes this cleaner unique is the dual-action cleaning system.