This is crucial since an idle chain is extremely harmful. Theres a myriad of issues that can lead to a bogged-down chainsaw, and most of them have something to do with your chainsaws combustion engines ability to access fuel or air amply. Using a screwdriver, remove the air filter cover on the back of your chainsaw. This can be done with a vise, clamps, or any type of fastener that will stabilize your chainsaw. You should also check the spark plug and air filter to make sure that they are not clogged or damaged. ( 2 cents) the new gas seems to clog small motors Mike. I told them that I ran Polaris gold synthetic in it, which I used to use in my drag bike years ago, service manager says stihl says that that is an unacceptable oil. LancelotLawns said: I bought a stihl bg85 blower/vacuum two days ago. If the problems remain, examine the fuel lines and carburetor. If you don't keep the blade oiler reservoir filled, you will have dulled blades, damaged bars, and generally poor performance. Why Is My Chainsaw Bogging Down? The ignition system includes the spark plugs, ignition coil, and exhaust muffler. Turning the knob will either tighten or loosen the chain, depending on the direction the user turns the knob. The standard compression reading required for most 2-cycle chainsaw is around 100-110 psi to start. How do you know what the best gas-to-oil mixture is the best for your chainsaw? An example of data being processed may be a unique identifier stored in a cookie. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. imagelinks[6]="http://www.ezboardwalk.com/"
Answer: Yes, a chainsaw can bog down if gas is supplied to it. The engine boggs down under a load and when just reving the saw. 12 Reasons Your Stihl Chainsaw Starts, Stalls and Dies (FIXED) Hence, many people complain- chainsaw bogs down when I give it gas . You must log in or register to reply here. myimages[4]="../../../images/top-banner/ez50-banner.jpg"
For example, if the carburetor is clogged, not tuned correctly, or is contaminated, it may not be metering the right amount of fuel.
How Do You Repair a Chainsaw That Wont Start? It could even bog down when given gas. It is experienced during welding, idling, or full throttle. The carburetor has three adjustment screws marked on it. They are Sthil chains. I have never worked on anything this small. Updated: 00/04/25
I'm having trouble with my Stihl MS180 C-BE chainsaw. Finally, the ignition system might need to be adjusted or repaired, and for this, you should contact a professional for assistance. #1. You are using an out of date browser. Make sure they are closed at a distance and neither touching the engine and not too far from it. Question: What's the reason for the chainsaw to die under heavy load? 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. Clean or replace filters located in the fuel tank of your chain saw. In most models, it can easily be located by taking off the top cover. Find the source of the issue and you can easily fix it. When your Stihl MS 170 chainsaw drops its power under full load, it generally means there is an improper mixture of fuel and air in your carburetor. Cant get a good picture becouse of the glare of the piston. It's looking a little tricky to me. A carburetor is a part of a combustion motor that mixes air and fuel in a specific ratio for combustion. Why Is My Chainsaw Bogging Down? (3 Common Causes) My Chainsaw Bogs Down When I Give It Gas; Causes and Solutions [2023]. imagelinks[1]="http://www.ezboardwalk.com/"
Save my name, email, and website in this browser for the next time I comment. The Basics Explained, Can a Concrete Chainsaw Cut Through Rebar? Besides causing poor performance in the cut, the fuel that doesn't burn produces smoke that fouls the spark plug and air filter, which compounds performance problems. After this, check the air filter and carburetor for dirt and debris. Also cleaned muffler and replaced spark arrestting screen.All with no luck. Curtis B. Stihl MS 170 bogging down, no power | Arborist, Chainsaw & Tree Work Forum Location. Stihl ST251C Chainsaw Stalls when I depress the throttle. The location of the fuel filter on a Poulan chainsaw varies depending on the model. Clean your spark plug and measure the gap. var myimages=new Array()
It's looking a little tricky to me. Stihl chainsaw engine ( motor ) bogging down things to check first. The engine and its associated delivery system need to be airtight to maintain adequate temperature and pressure. Clogging usually occurs due to long working hours. var myimages2=new Array()
I tried putting new gas in it and starting it up but it didn't make a difference. Check inside the fuel tank for dirt and debris. If youve checked both the fuel mixture and air filter on your chainsaw and still experience bog down, it may be time to move on to the carburetor. A Stihl chainsaw can bog down for a variety of reasons. Why does my Chainsaw Bog down when I Pull the Trigger? Chainsaw bogs on full throttle - OutdoorKing Repair Forum My Chainsaw Bogs Down When I Give It Gas: Why? | Obsessed Lawn Chain filing isnt a difficult task and is crucial in maintaining your chainsaw. If t present cleaning your tank isnt an option. There are many factors that cause a bog down, but mostly it is the carburetor orientation or blockage. Your chainsaws fuel supply system comprises the gasoline tank, fuel filter, fuel lines, and carburetor. When your Stihl MS 170 chainsaw drops its power under full load, it generally means there is an improper mixture of fuel and air in your carburetor.
L and H on your chainsaw. This causes your engines RPMs to increase to a set limit before decreasing. Dirty filters are the main problem. A well-maintained chain-saw seldom stalls. Spark arrestor is usually placed behind muffler, so locating it is not that hard. Once youve made the adjustments, make sure to monitor the performance of your saw over the next few days and readjust if necessary. The Forestry Forum is sponsored in part by:
if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,600],'remodelormove_com-mobile-leaderboard-1','ezslot_24',167,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-1-0');The T adjustment on a chainsaw is a tool-free tensioning system that makes it easier for users to adjust the tension of the chain. Yea, its not rocket science but reality. If your chainsaw dies when you give it gas, you need to ensure that the idle screw (I) and low-speed screw (L) are adjusted correctly. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. Adjust the air screw until the idle speed is consistent. The carburetor might need: A clean-up if it's clogged. How did you get the carb off? Where are these located and on what carbs? A Detailed Guide, What Size Chainsaw Do I Need in 2023? It can turn a typical day at work or an enjoyable project into a hassle for its user. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-leader-2','ezslot_17',164,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-2-0');If the fuel lines are blocked or restricted, clean or replace them accordingly. More so, the chainsaw might bog and refuse to run when you give it gas. The spark arrestor is behind the muffler. The carburetor must be maintained, but first, check that your engines filters are thoroughly cleaned. If the fuel you are using is too old or is diluted, your chainsaw will not work correctly.
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Once the faulty seal or gasket is identified, it needs to be replaced, and the engine should be up and running. For instance: It is impossible not to lose power when the firewood chainsaw is being used constantly. myimages2[2]="../../../images/top-banner/behindtheforum.jpg"
The manual should give you the proper gas-to-oil ratio for your particular chainsaw. Its an essential step in properly maintaining your chainsaw to check and adjust the chain tension. If the spark arrestor screen has become damaged, you should replace it. I'm an arborist by profession & a blogger by passion. This is partly due to clogged filters resulting from long working hours and less air supply to the carburetor (which will be discussed later). Stihl Chainsaw Bog Down and Fix - YouTube Start the chainsaw for a few seconds to make sure the carburetor is functioning correctly.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-large-leaderboard-2','ezslot_10',158,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-large-leaderboard-2-0'); To unclog a chainsaw carburetor, youll need to thoroughly clean the carburetor and replace the air filter. Any factor that might affect supply can cause the chainsaw to bog down. I love to write about chainsaw for homeowners and professionals. By properly troubleshooting and addressing any potential causes, you can prevent stalling or restarting problems with your Stihl saw. If these steps do not solve the problem, you should take the chainsaw to a professional for servicing or further diagnosis. If your chainsaw is bogging down when you press the throttle, it can be a sure sign of an incorrect gas-to-oil ratio. If your Stihl chain saw purrs like a cheetah when it's idling but stalls when you actually try to do some work with it, it could indicate the carburetor isn't adjusted properly. If user's chainsaw is bogging down than this is often a sign of improper gas-to-oil ratio. Please Help! Chainsaw bogs and dies when revs | Tacoma World If your chainsaw doesn't start, adjust the carburetor screws till it doesn't bog down. I ask if they checked the carb and they said no. ). We also recommend that if a unit will be left unused for more than 30 days that it be stored "dry". If your Stihl saw keeps stopping, there could be several potential causes. Read more about this in, "This is the Type of Gas to Use in a String Trimmer". When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. The effect of air leakage is that it upsets the composition of the air-fuel mixture. }
Align the screws on the carburetor. The first step is to make sure that your chainsaw has enough fuel. If the chain is loose or dull it may result in the saw not having enough power to keep running. Correct mixing of fuel ingredients. Be sure to check your models owners manual for the exact location of the fuel filter as it can vary from model to model. The majority of these steps are listed above in the daily maintenance list, but one is of top priority: Chainsaws require maintenance to stay at the top of their game. If the plug checks out, try removing it and spraying it with aerosol-based cleaner.
The engine should start by now. Take great care in removing the smaller parts and remove any debris or build up in the carburetor. 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. This dirt and debris can build up and create a clog. These screws are in charge of regulating the fuel flow to the carburetor under varied load circumstances. stihl chainsaw bogs down when i give it gas The last thing anyone wants is a saw that purrs when idling and bogs down when applying gas. Set the idle screw to the point just before the chain starts spinning and adjust the low-speed midway between the the two points at which the engine starts to die. . All internal or external factors that reduce the supply of combustible air causes bogging down. The chainsaw bogs down will occur when your engine is starved of enough fuel or when there is termination in the connection between the carburetor and the engine. #1. It should be the first thing to check and clean. Chain Saw: Engine Will Idle But Dies At Full Throttle Trying that is by using Stihl Ultra bottles and pouring a little less but I always have some left over gas in the can. Since the engine turns off shortly after starting your weed eater, the idle speed may just be too slow. Similarly, adjust the other screws, namely the L and H screws, until the RPMs are at an optimal level that prevents the saw from burning out. There are several factors may make your saw not work properly. . When a chainsaw bogs down when accelerating, it typically means the engine is not receiving enough fuel or air. Chainsaw Dies When I Give It Gas - Solutions Explained in 2023 Next, check the spark plug to make sure it is clean and properly connected. When dropping a tree, what are you guys watching?.
It has a new spark plug, clean air filter, n Welcome, Guest. Why does the Husqvarna chainsaw bog down at full throttle? Check, clean, and replace (if necessary) the air filter. Rotate the saw and file the remaining teeth using the same angle and motions as before. Stihl Chainsaw Bogs Down When I Give It Gas - WHYIENJOY On the first day the crew used it, it was bogging down. A daily, weekly, and monthly check-up and cleaning must be performed for optimal performance. However, now it is acting odd. What it needs is proper maintenance on a daily, weekly, and monthly basis. http://www.ebay.com/itm/STIHL-017-MS170-018-MS180-Replacement-CARBURETOR-CARB-/130584786959?pt=US_Chainsaws&hash=item1e6775b80f, Quote from: rstarkie on June 06, 2013, 09:50:21 PM, Quote from: Submariner on December 14, 2018, 01:42:06 PM, Running problems Husqvarna 246 and Shindaiwa 457S probably bad fuel issues, Figured Out My Efco 251 Fuel Starvation Problem (shuting off after 4 or 5 min. Cleaning a carburetor on a chainsaw without removing it can be done with a few simple steps. Follow the re-assembly instructions which are usually supplied with the carburetor kit (Assuming all the jet screws and small parts are accounted for).Alternatively, you can use professional help.Usually, after thorough cleaning of the carburetor and filters, your stalling issues should disappear.However, if the problem persists you may need to enlist the help of a professional. var ry=Math.floor(Math.random()*myimages2.length)
no never loaned it out. Dirt in the air filters This is one of the biggest culprits when dealing with chainsaw bogging down. This means emptying the fuel tank and then restarting and letting the unit run until all the fuel is consumed and the engine stops. The consent submitted will only be used for data processing originating from this website. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. The first step is to make sure that your chainsaw has enough fuel. I would suggest that in the first instance the carburetor settings are checked. I'm having trouble with my Stihl MS180 C-BE chainsaw. Currently I live in Austin, United States. Over time, the spark arrestor can become clogged with soot. Additionally, if the air filter is dirty or blocked, that can also lead to a bogging issue. All small holes free of residue. The reason for. myimages[5]="../../../images/top-banner/cookie-mizer.jpg"
No matter how tight the seal on the tank is, replace the gas every three months and use stabilizer. The inability to reach full power during a full-throttle trigger is also a sign of bogging down.Remedy this by adjusting the high-speed screw. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. imagelinks[4]="http://www.ezboardwalk.com/"
It requires an 8mm or 5/16" nut driver or wrench. He pledges to come up with new knowledge about chainsaws every once in a while. Chainsaw bogs on full throttle #63708 18/04/15 11:39 PM. If you don't know about the perfect amount . Re: Chainsaw bogs on full throttle . Make sure it is moveable and not stuck in the open or closed position. 2. Make sure to take out the spark plug before removing the filter.