The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. A daily, weekly, and monthly check-up and cleaning must be performed for optimal performance. If the plug checks out, try removing it and spraying it with aerosol-based cleaner. Use low pressure compressed air, and a stiff paint brush bristle to check them all. If your chainsaw bogs down at full throttle, the air filter and . How Much Power Do Stihl 031 AV Chain Saws Have? Even without an incident of stalling, it is important to carry out regular repairs. Cleaning Tips The goal when diagnosing issues with bogging down is to implement a quick fix and avoid any disassembly (like the carburetor). The engine boggs down under a load and when just reving the saw. 2. Its quite perplexing, but this article will delve deep to unravel why the chainsaw bogs down when you give it gas and how to solve the problem. Anobstruction in any of these components may disrupt the fuel flow to the engine, leading to the engine bogging down while idling. Bog down can also occur in the case of a dirty air filter, spark arrestor, or carburetor. Take a measuring beaker and add oil and gasoline of the required amount according to the model of your chainsaw. After checking and cleaning the filters, see if the carburetor orientation is proper. We and our partners use cookies to Store and/or access information on a device. Dont forget that a maintained chainsaw is a working chainsaw! I will try to figure out how to get the carb off tomorrow morning. Will start, sound fine, and work for a couple of minutes, until it gets warm. More so, the chainsaw might bog and refuse to run when you give it gas. One of the most common causes is a dirty air filter, which can block air from entering the chainsaw engine and prevent it from getting the oxygen it needs to operate efficiently. I would suggest that in the first instance the carburetor settings are checked. Why Is My Chainsaw Bogging Down? It's looking a little tricky to me. Check that the anti-vibration elements are not damaged, torn, or soft. Then, disconnect the old fuel line from the, Read More How to Replace Fuel Lines on a Poulan ChainsawContinue, Pull out your battery from the chainsaw, and press the battery button sustainably for a minimum of 5 seconds before you release it. If it is stuck, try loosening the nut to free it up. Proper adjustment is critical for safe operation and efficient cutting performance, and the T adjustment allows anyone to determine the accurate tension of their chainsaw chain in a matter of seconds. Knowing how to mix fuel properly is the first step to ensuring that your chainsaw will stay up and running for years to come. When your saw blade starts to dull, your blade will start producing powder, rather than chips. Getting frustrated. You must locate the perfect setting at which the engine won't stop once the throttle is applied. This can also be caused by bad fuel. If the spark plug is cracked or damaged, you will need to replace it. Before you start, be sure to read the manufacturers instructions carefully. . When the chainsaw is unable to hit full power during the full throttle, it's a good sign that your chainsaw is bogging down. myimages[2]="../../../images/top-banner/BladesFreeShip.jpg" When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Be sure to check your models owners manual for the exact location of the fuel filter as it can vary from model to model. I read on here the other day some carbs can be damaged with compressed air.That would explain why sometimes they cant be fixed maybe the air is ruining something like a check valve I will wait for the masters to chime in on that. I asked my brother to take a look at it since he's fixed a number of chainsaws, and he says it looks like it isn't getting fuel. ), Using a specialty tool called a scrench or a combination wrench, loosen the bar nuts holding the clutch cover in place, Tighten the chain tensioning screw using your combination wrench or scrench while raising the tip of the bar and, Continue to tighten the chain until there is no slack on the underside of the bar, but it can still be freely pulled by hand, Tighten the bar nuts, return the clutch cover to its rightful place, and ensure that the bar is secure. Why does the Husqvarna chainsaw bog down at full throttle? Start by identifying the carburetor on your saw. The answer is simple; you check your chainsaws owners manual. Obviously pull the carb and exhaust when you do this. Cleaning your chainsaws air filter can lead to an improvement in performance and really should be done as part of your routine chainsaw maintenance schedule. The idling (I) screw regulates the mass flow rate of the air-fuel combination entering the engine at idle. Wash it in soapy water with a soft-bristle brush. When a screw (e.g., anL screw) is tightened, the fuel flow to the carburetor is restricted, causing the mixture to be lean. Dirt in the air filters This is one of the biggest culprits when dealing with chainsaw bogging down. SO i use gas additive in all my 2 stroke gas mixture, either sta-bil, lucas, hell even sea foam says it will keep 2 stroke gas good for a long time. To ensure any residue is removed, spray the inside of the carburetor with carburetor cleaner and scrub with a stiff brush. So anyhow, I've ran about 25 hours and took it for a tune up. If the gas is supplied to the chainsaw then the filters can clog easily. random_imglink() Adjust the air screw until the idle speed is consistent. Solution: Use the user manual to locate the air filter. Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. 30:1 is recommended mostly for older models. Most Craftsman models have either a standard Walbro or a Zama carburetor. It is possible that your Stihl chainsaw is dying when you give it gas if the carburetor, spark plug, chain, or air filter is malfunctioning. If the spark plug is fouled, it means that it is unable to ignite the fuel being provided to the cylinder. Youll want to start by increasing the idle speed until the engine runs smoothly. Check inside the fuel tank for dirt and debris. After I got home I remover the spark plug and looked in there and everything looks good. Unscrew the carburetor cover and expose the main jet. The Forestry Forum is sponsored in part by: #7. How do you know what the best gas-to-oil mixture is the best for your chainsaw? If you need, Read More Stihl chainsaw break inContinue, Carbon build-up in cylinder & piston, bad needle bearing, overused starter spring, oil in the starter system, old or bad fuel, etc can cause too much compression in Chainsaws. Finally, if all previous procedures fail to provide results, the ignition may be at issue. If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. Found the problem. A new chainsaw has some protocols to follow. It may not display this or other websites correctly. The first step is to make sure that your chainsaw has enough fuel. The (I) screw is a butterfly valve that controlsidle RPMs by raising or lowering the flow of the air-fuel mixture. The rakers are angled low to high with the high end in front of the cutter. If the chain is loose or dull it may result in the saw not having enough power to keep running. I think the problem is ethanol in gas, espesially gas . There are a number of carburetor-related problems. The engine should start by now. If the carburetor is clogged or not adjusted properly, it can cause the saw to run out of fuel. Disengage the chain brake and manually advance through the chain until you reach your starting point mark. An example of data being processed may be a unique identifier stored in a cookie. Replacement of carburetor is the best option if you have an old chainsaw.This is because the diaphragm gets hard making it hard to crank. (Why You Might Not Want to), Why Wont My Chainsaw Cut? There are three adjustment screws on the carburetor: low-speed (L), high-speed (H), and idling (I). For that you require a carburetor cleaner.