Technician: Vince O., Small Engine Technician replied 10 years ago. Discussion Starter • #1 • May 17, 2012. Dumped the gas a … read more But, it can take away money from your pocket and produce unwanted annoying if not maintained properly. If the ignition coil fails, the spark plug will not fire, and the chainsaw will not run. Location Lone Star State. My Chainsaw Runs Then Stalls. If found blocked, clean it using alcohol or kerosene. The chainsaw can be one of the handiest power tools available. Last update on 2020-12-03 / Affiliate links / Images from Amazon Product Advertising API. If you don’t have a new spark plug readily available, you can try cleaning your current one. After that, insert the air filter into its bay. Secondly use 2 ounces of fuel cleaner within fresh fuel and let it sit a half hour then attempt restart using choke to keep unit running until cleaner helps remove residue from the carb circuits. In this article, I’m going to discuss each one of these problems, as well as provide recommendations on how to fix them. The primary reason that is why your chainsaw won’t stay running is the faulty carb (carburetor). 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. Hi! BackyardGadget.com also participates in affiliate programs with Clickbank, Commission Junction, and other sites. appreciate any advice on this. Next Last. The most common reasons a Stihl chainsaw won’t start, is because of a bad spark plug, or a worn carburetor. Tags . If it won't start it's going to be a carb problem most of the time. Common Causes of Chainsaw Issues; The Common Problems and How to Fix Them Spark Switch/Plugs. You may consider buying a new air filter if the present one isn’t in working condition. so thanks for your advice. Got it to run briefly by shooting some carb cleaner into the intake. The final piece of the internal combustion puzzle after spark and fuel is, of course, air. Clean the carb using kerosene and lubricate the thread or moveable portion with grease. 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. Stihl MS-290 Farm Boss chain saw won't stay running I've had this Stihl MS-290 Farm Boss chain saw for at least 5 years with impeccable trouble free service. Mini Chainsaw Set, Handheld Cordless Electric Protable Chainsaw, 24V... MKING Mini Chainsaw, 4 Inch Cordless Electric Portable Battery Chain... Stanley Wet/Dry Vacuum, 6 Gallon, 4 Horsepower, DeWALT DXV06P 6 gallon Poly Wet/Dry Vac, Yellow, DeWALT DXV09P 9 gallon Poly Wet/Dry Vac, Yellow, AIRCAT 1150 "Killer Torque" 1/2-Inch Impact Wrench, Medium, Black, Ingersoll Rand Model 231C 1/2" Heavy-Duty Air Impact Wrench. Luckily though, chainsaws are simple machines, and when they don’t work, it is usually the result of a simple problem. Stihl kombi km90r wont stay running and hard starting. Stihl … After that insert the carb and O-rings back to their respective positions. Stihl FS90R Trimmer. To understand this point, it’s helpful to better understand what is actually happening inside a chainsaw when you tighten it. For more information, Sears offers a fairly comprehensive guide on carburetor rebuilds. I looked at buying a trimmer today. 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. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. I have a Poulan Pro PP5020AV that wouldn't stay running, similar to the problems described above. So, why won’t your chainsaw stay running? offers a fairly comprehensive guide on carburetor rebuilds. Inspect the condition of the O-rings. Tried various things like others and after taking the carburetor apart and using plenty of carb cleaner had the same problem. Over time, the spark arrestor can become clogged with soot. The Stihl 180 is a homeowner-grade chainsaw, offering light weight and strong cutting performance in a compact package. Contents. Start by reviewing the correct starting procedures in your owner's manual. BackyardGadget.com is compensated for referring traffic and business to these companies. Air Filter and Spark Plug Whether people use them regularly or not, chainsaws frequently misbehave. If the problem still exists, move on to the next step. If there is gas in the tank that has been sitting for more than a few months, it may have gone bad and is causing your chainsaw to not run properly. This is an important job, as it will prevent your engine from consuming any particulates or contaminants that are in the fuel and/or fuel tank. Apr 29, 2003 #1 One of my weed whackers is a Stihl Home owners unit. If the saw fires I will either replace or rebuild the customer's carb depending on cost. To fix these you will need to replace or rebuild these parts. Chainsaw chain won't stop turning. Share this conversation. The easiest way to know if your carburetor is the problem is to exhaust all other options. STihl weedwhacker wont stay running. Chainsaws are useful for a variety of chores from removing overgrown and dead tree limbs to gathering and processing wood for fall and winter. I can get it to start but it smokes very bad and will eventually bog down and die if I slow to an idle. Last few times it required the choke to be partially on but now wont stay running. The next spark-related part that may be causing problems is the ignition coil. Sometimes, the defective carb offers an intermittent supply of fuel. Category: Small Engine. By the way this is my first time doing any kind of work on a chainsaw, besides changing out an air filter. Find the most common problems that can cause a Stihl Chainsaw not to work - and the parts & instructions to fix them. Moreover, if the filter becomes damaged/deteriorated, it will supply contaminated fuel to the engine. Since I needed to get busy on the firewood, I went to the store and bought a new MS391. Fortunately, resolving any of them will only require using some simple tools and a bit of "elbow grease." BackyardGadget.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. If there is no visible obstruction, the fuel lines are probably not the problem. After spark-related issues, the next most common source of problems with chainsaws is the fuel system. Below are some of the most common fuel-related problems that will prevent a chainsaw from running. 10 Replies 8129 Views March 12, 2010, 04:28:36 PM by ErikC : Saw won't stay running Started by JohnnyF on Chainsaws. As an Amazon Associate, we earn from qualifying purchases without any additional costs to you, Poulan Chainsaw only Runs with Choke on [SOLVED], How to Put a Chain Back on a Chainsaw-Easiest Way, How to Adjust a Carburetor on a Weed Eater. Moreover, several reasons may cause stalling/shutting down the engine. Depending on your throttle position, the carb increases/decreases the flow of gas/fuel into the combustion chamber. Adjust the screw halfway between these two positions. The Stihl 180 is a homeowner-grade chainsaw, offering light weight and strong cutting performance in a compact package. The saw, be it professional or homeowner chainsaw is a handy tool to cut through. A faulty chainsaw is not only an inconvenience to diagnose and fix, but it is also a hindrance to productivity. Feb 13, 2017 #1 Anyone with experience on Stihl 4-Mix feel free to chime in. If the fuel line from the tank to the carburettor is kinked or split, replace it. We hope that you will be able to fix your chainsaw on your own. Air is needed in a combustion chamber to make an engine run, and if it is absent, the engine will not work. Stihl Chainsaw starts then stalls. Look through the porthole using torchlight and look for damage or blockage. The troubleshooting of these problems is not that much difficult. Started by Pullinchips on Chainsaws. If anyhow the idle port of your chainsaw becomes unserviceable, it won’t be able to keep your saw at idle. Thread starter merkurjared; Start date May 12, 2015; M. merkurjared ... i have always ran 93 pump gas mixed with stihl oil. You should … How to Troubleshoot the Stihl MS-250. If the air filter is obstructed as a result of old age and particulate build-up, it can prevent the passage of air into the engine, not allowing it to run. Click to remove this tagging. Do not hesitate to replace this bad fuel with any premium fuel. Unfortunately, a saw that won't keep running often has a carburettor problem that requires a visit to a repair shop. If it looks okay, then it probably is, but it may be wise to replace it anyway, as fuel filters are cheap, and a visual inspection may not reveal the problem even if there is one. To get going with the displaced/deteriorated port, turn the ideal port screw clockwise to tighten it to the fullest. I've created this site to share my experience, and to help people choose the right tools for the job. In this article, we will be discussing all the possible reasons for the aforementioned problems. That was what the problem was with mine and I took it out and it was indeed all carboned up. One of the easiest fixes for a non-running chainsaw is to look in the fuel tank, and give it some fuel if the tank is empty. Moreover, several reasons may cause stalling/shutting down the engine. Discussion Starter • #1 • Nov 26, 2018. Over time, the fuel filter can become clogged, and prevent the passage of fuel into the engine. 10 Replies 2805 Views October 21, 2006, 08:36:24 PM by PineNut : Husky 350 won't stay running Started by DR_Buck on Chainsaws If the engine is not being delivered fuel in sufficient quantity, or perhaps not at all, it will not run properly. If the air filter is obstructed as a result of old age and particulate build-up, it can … Try to use recommended spraying carb cleaner into the carb while the saw engine is running. Model #'s pp3516avx & pp4218avhd please advise. Save my name, email, and website in this browser for the next time I comment. But, we will discuss the carb kit building at the final step of our fixation as that is the most complex task. I really like these forms. The fuel filter is responsible for filtering the fuel before it enters the engine. There could be more complicated problems like fuel intake, and low engine compression. Any malfunction of the carb stops or oversupplies the fuel into the chamber. By replacing your spark plugs and keeping your gas lines clear you can reduce the chances of this problem recurring. Just wanted to say thank you for that advice on the 192 Stihl muffler screen. stihl 031 hard to start and will not stay running. still,gave it a clean,put it back in and the saw started 3rd pull and ran like a champ,no dying or bogging down,cut down a couple of smaller trees and limbed them,no problems. Hi Guys, I have a Stihl 031 AV chain saw that suddenly won't stay running. The most common problems why a chainsaw does not stay running are: Spark Switch/Plugs; Bad Fuel; Blocked Carburetor; Your Engine is Flooded; The Recoil Starter; A Blocked Idle Port; If your chainsaw runs for a few minutes and stops working, it shows there is an underlying problem that must be fixed. Report This by Manage My Life. 35 Posts . If there is an obstruction, remove it if possible, or get all new fuel lines. Trimmer is a Stihl RX100 that … it then went to running hit or miss. It is responsible to seal the fuel pump so that it doesn’t leak fuel. 12:24 . Chains that stop during a cut can often be freed with only a little troubleshooting and maintenance. Does your chainsaw run and then stop? If the spark plug is black, clean it up with a metal brush or some sandpaper. As a result, the chainsaw won’t stay running. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. Stalls out on Throttle. So, why won’t your chainsaw stay running? Thread starter PicturePerfectLawns; Start date Feb 13, 2017; 1; 2; Next. If the problem still exists, you have to buy the carb kit and replace the unserviceable one. These can be checked easily by removing and looking through them to see if there is any obstruction. View solutions. Using bad fuel can have a severe impact on your saw engine. Satisfied Customers: 3,198. If there is an obstruction, remove it if possible, or get all new fuel lines. If you don’t have a good spark in a combustion engine, the engine will not run. Instead, consider buying any premium or marina gas. Thank you for stopping by! Solution: Take out the carb using wrench and screwdriver. Removed the spark screen,a little dirty,but not too bad. The O-rings or washer seal may cause the problem if it becomes torn out or deteriorated. Hi Guys, I have a Stihl 031 AV chain saw that suddenly won't stay running. As you may have guessed, the most important part related to getting proper spark is the spark plug. Gas or fuel filter ensures that your chainsaw gets the filtered gas/fuel. Location Newport RI . 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. It looked perfect. This can be checked by removing the filter and visually inspecting it for any significant blockages. I'm Peter, the owner of BackyardGadget. After that, place the filter back to its position and give a functional test run. If there is an issue with any one of the above components, it may cause your chainsaw to not stay running for long after it has started, if it will start at all. The tension of a chainsaw is determined by the distance between the sprocket and the chainsaw bar. The third reason your chainsaw chain might get loose (repeatedly), is an actual mechanical problem with your chainsaw. Let the sealant dry at least overnight, preferably several days. Stihl 018C won't stay running bad carburetor spark arrestor Paps saw what to look for ... Chainsaw Won't Start 3 Reasons Why - Duration: 12:24. 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. Check to see whether the carb has been damaged with the time. Joined: Apr 9, 2012 Messages: 6 Likes Received: 0 Location: houston. Required fields are marked *. There seems to be a real fine line between starting and flooding the engine. My stihl start fine but will not stay running. Share it! All the Best. We hope that our coverage on “chainsaw won’t stay running” was helpful for you. Probable Reasons & Solutions: A Chainsaw Won’t Stay Running. So, you need to be very clear about the spark plug/switch conditions. thanks for the advice fellas. Solution: Remove the air filter from its bay. Check to ensure that all the switches and spark plug of your chainsaw is in working conditions. If any one of these is missing, the chainsaw will not stay running. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program Note: To get going with the faulty carb kit, you may use carb cleaner during engine operation. If you don’t see a spark, replacing your ignition coil may solve the problem. 1 possible causes and potential solutions . It’s not terribly difficult if you know what you’re doing, but it does take some time and is an involved process. This can be checked by removing the filter and visually inspecting it for any significant blockages. Well, there are a couple of factors that are responsible for preventing your chainsaw from staying running. Another issue that may stop your chainsaw from running is bad/contaminated fuel. In your chainsaw, there is an idle port which is responsible to keep your chainsaw in idle position. Discussion in 'Hand Held Equipment and Tools' started by joe13, Feb 21, 2013. joe13 ArboristSite Lurker. Read the article carefully and apply one troubleshooting at a time to avoid damaging your chainsaw. Ask Your Own Small Engine Question . Having a carburetor problem is one of the most frustrating and difficult issues to have out of the ones that are listed here. The ignition coil is responsible for delivering a charge to the spark plug, giving it the power that it needs to create a spark and lite the air-fuel mixture in the combustion chamber. If the chainsaw runs well after you’ve replaced the spark plug, then you know what the issue was. At first, clean the filter using air blow and then clean it using alcohol or kerosene. I could not get the primer ball to fill with fuel until today. If not, you’ll need to keep looking. To make the troubleshooting process convenient for you, we are going to place the problems along with their solutions sequentially. ACDelco ANI405A Heavy Duty Twin Hammer ½” 500 ft-lbs. Then, if some basic troubleshooting checks don't solve the problem, you … 1 of 2 Go to page. This guide helps you to fix it without experiencing difficulties. Changing the spark plug is an excellent place to start as it is easy to do, and spark plugs are relatively inexpensive to buy. If you don’t see a spark, replacing your ignition coil may solve the problem. If the spark arrestor is clogged, the chainsaw may run stall or run rough. Like the proverb says “a stitch in time saves nine”, you have to be careful about the scheduled maintenance of your chainsaw. These can be checked easily by removing and looking through them to see if there is any obstruction. My stihl start fine but will not stay running. ... Chainsaw running rough. Thread starter LawnMower; Start date Apr 29, 2003; 1; 2; Next. This can be a frustrating problem to have, though it is one that is typically an easy fix. So, you have to maintain your tools and equipment in a way that, your tools do not get the scope to produce extra hazards. decided to work through the options,starting with easiest first. Overheating and smoking are obvious signs of an underlying problem and are an indication that you should shut off the chain saw immediately and investigate the situation before further use. If you try everything else on this list and still can’t get your chainsaw running, you may want to start looking into giving a carburetor rebuild a try. I m having a problem keeping it running. My Poulan Pro chainsaws start but won't stay running. I have to run it on half choke all the time or it will act like it s running out … If exists, move on to the next step. Now, give a functional run to see whether the problem exists or not. Working around the house has always been a big part of my life. Starts but wont stay running. If it looks okay, then it probably is, but it may be wise to replace it anyway, as fuel filters are cheap, and a visual inspection may not reveal the problem even if there is one. By replacing your spark plugs and keeping your gas lines clear you can reduce the chances of this problem recurring. Usually, fuel remains in good condition for 8 weeks after purchasing from the pump. 01 - Spark Arrestor. Also, make sure that the spark plug’s gap matches the specification in your chainsaw’s manual. Solution: Inspect the idle port to see the condition. If anyhow the idle port of your chainsaw becomes unserviceable, it won’t be able to keep your saw at idle. Answered in 50 minutes by: 6/19/2010. Sometimes, a defective switch or blocked spark plug may produce the problem. Solution: Inspect the idle port to see the condition. I have amassed a collection of carbs for pretty much every modern Stihl saws, so I grab one of these known good carbs and try them out. can become clogged, and prevent the passage of fuel into the engine. If your Stihl chainsaw won’t start, we are going to show you how to troubleshoot it, and how to fix it. can also be clogged. A clogged air filter can prevent a chainsaw from running properly, just as a clogged fuel filter can. American Piddler 515,073 views. No Video Available. So, let’s go over some of the more common reasons causing chainsaws to stop running, as well as how to fix them. Saves time and money! Solution: To get the optimum service from the engine of your chainsaw, you should always use premium fuel/gas. The spark arrestor is a small screen that prevents the engine from emitting sparks. 232 Posts . LawnMower LawnSite Senior Member. My Chainsaw Will Not Stay Running: How to Fix This? Then try it out! If you see a blue spark between the two nodes on the end of the spark plug, then your ignition coil is working fine. If it appears clean and is close to white in color (or whatever color it was originally, most commonly white or yellow), then it is probably not the source of your problems. 1 of 2 Go to page. To check your air filter, remove it and perform a visual inspection. Get more answers from the people in your networks. This is another great place to look for issues if the chainsaw will start but not run for long, as the fuel system may leak just a bit of fuel into the combustion chamber, but not be strong enough to deliver enough fuel to keep the engine running. For the Low Speed screw, repeat the procedure in idle. Thus, the port will apply force to make your chainsaw stay running. The carburetor of chainsaw controls and supplies fuel/gas into the combustion chamber. If found damaged, buy a new idle port and replace the old one. The saw is less than two years old. I tried resetting the adjustment screws by turning them all the way in and then backed them out 1 turn, but that made no difference. 6 possible causes and potential solutions ... View solutions. As a result, the chainsaw won’t stay running. Go. Not having proper spark is an especially common problem when the chainsaw will turn over but not stay running, as the rotating assembly within the motor will turn as you pull the cable, but there is not enough spark to sustain that movement. Probably not. 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. Your email address will not be published. This is a common occurrence on older-model chainsaws. I put a new tank of freshly mixed gas (40:1), a new plug and cleaned the air filter, which really didn't need it. Don’t run … Thus, bad fuel may cut your pocket and man-hour. But, we will discuss the carb kit building at the final step of our fixation as that is the most complex task. If the filter is dark and seems to have collected a fair amount of debris and/or particles, it is probably wise to clean or replace it. If required, you are welcome to skip one or more steps. Go. If this fails, the chainsaw will not stay on. If you have any queries, please feel free to drop a line via our comment box. Check the fuel line and fuel filter to ensure the chain saw is getting enough fuel. It will run for 5-10 seconds and then stall out so I know it has spark. This is a common occurrence on older-model chainsaws. The parts in these areas that are most likely to fail are: These are some of the most common problem areas on chainsaws. Give the final function test run of your chainsaw. If the filter becomes blocked, the engine won’t get any fuel to run. Similarly to the fuel filter, the fuel lines can also be clogged. I thought it was the carb so I pulled it off and cleaned it and blew it out with compressed air. My FS-55 string trimmer will start but wont stay running. After reassembling, the chainsaw will no longer start. , an ignition coil’s function can be checked by removing it from the head of the engine and pulling the starter cable while looking at the spark plug. If you see a blue spark between the two nodes on the end of the spark plug, then your ignition coil is working fine. 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. Clogged Air Filter. After this period, a few volatile agents may be evaporated from the fuel and caused the problems. An Echo chain saw that starts but won't keep running may have a simple problem you can easily correct yourself. While a chain saw does produce some heat while in use, it should never overheat or begin smoking. Common solutions for: Stihl Chainsaw starts then stalls. Re-assemble the saw and put in fresh, properly mixed, gas. designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. As a result, the engine will stop running. As a result, the engine stalls or shuts down immediately. That is why professionals advise that you do not leave your chainsaw running, especially for more than five minutes. This is because carburetors are a pain to rebuild and are expensive to replace entirely. If your chainsaw stalls instead of producing the reassuringly high-pitched sound of a healthy engine when you … Chain Saws. Next Last. There are three components to keeping a gas engine running: spark, fuel, and air. Hunter Tips: To get out of operational hazards, try to avoid ethanol gas. When the air filter becomes clogged, the engine doesn’t get the required air to its combustion chamber. Stihl ms390 wont stay running? Does your chainsaw die just after staying a couple of seconds at idle? Your email address will not be published. A clogged air filter can prevent a chainsaw from running properly, just as a clogged fuel filter can. What Chainsaw Bar Oil to Use – My Top 5 Recommendations, Here’s Why They Turn Chainsaw Bars Upside Down. Stihl 4-Mix: Won't Run Without Choke. The easiest way to test whether the spark plug is the source of your issues is to simply replace it. Ensure to remove the jets and gentley use a small tag wire to clean the orifice along with carb cleaner and compressed air. According to Hunker, an ignition coil’s function can be checked by removing it from the head of the engine and pulling the starter cable while looking at the spark plug. I believe its starving for gas but see no filter. To keep things simpler, we have discussed the most common factors that frequently produce the engine stalls. Look through the porthole using torchlight and look for damage or blockage. But, this port becomes blocked or damaged due to extensive use, poorly designed metal, or deteriorated with the time. The primary reason that is why your chainsaw won’t stay running is the faulty carb (carburetor). Thanks Dave. You need to ensure that your chainsaw does not stay on choke because it results in excess fuel consumption. Solution: Take out the gas/fuel filter from its bay and clean it following the same way as an air filter. November 5th, 2012. P. PicturePerfectLawns Banned. I have a 15 yr. old Stihl 036 Pro that I have used all these years, and last Fall it blew a crankshaft bearing. Vince O., Small Engine Technician. These are the three common problems that can cause such problems: Air leakage in your chainsaw: If there is excess air getting into the carburetor or the fuel … Does this process help you? So, let’s go over some of the more common spark-related issues that will prevent a chainsaw from running properly. I can spray starting fluid into the carb and it will crank a few times, but won't stay running. If there is no visible obstruction, the fuel lines are probably not the problem. Are you struggling to fix a chainsaw that won’t stay running? If your Stihl chainsaw starts up with a reassuring puttering sound, but dies when you pull the throttle trigger, there likely is an issue with the fuel, but the carburetor could need adjustment. Looking at the components above is a great place to start diagnosing your issue, and will more than likely lead you to a solution. Runs like a champ now. The air filter of your chainsaw ensures that the saw engine gets enough air to burn the fuel. Moreover, several reasons may cause stalling/shutting down the engine an inconvenience to diagnose fix... Cut your pocket and produce unwanted annoying if not maintained properly their solutions sequentially complicated problems fuel... Step of our fixation as that is why your chainsaw a time to avoid damaging your chainsaw there... S helpful to better understand what is actually happening inside a chainsaw, besides changing out an air filter I. Out of the handiest power tools available tools available part that may be evaporated the!, this port becomes blocked or damaged due to extensive use, will. My experience, and prevent the passage of fuel choke because it results in excess fuel consumption skip. Been a big part of my weed whackers is a Stihl RX100 that … the chainsaw will stihl chainsaw won't stay running refuses... The troubleshooting process convenient for you people in your owner 's manual, buy a idle... That was what the issue was the ones that are responsible for filtering the fuel lines are probably the. Feel free to drop a line via our comment box, it can Take away money from pocket! Of my life their solutions sequentially, I went to the fullest chainsaw starts then stalls by pulling off..., we are going to place the problems described above carb has been damaged with time... Regular maintenance to keep your chainsaw running, the engine then stall out so I know it has.. Their respective positions out with compressed air while a chain saw that wo n't stay running these be! Ensure that your chainsaw die just after staying a couple of seconds at idle carburetor. To productivity probably not the problem was with mine and I took it out and it the. In your chainsaw stay running needed in a combustion chamber small screen that prevents the won. Well after you ’ ll need to replace entirely you for that advice the!, Turn the ideal port screw clockwise to tighten it time I comment annoying if maintained..., email, and website in this browser for the Low Speed screw, repeat the procedure in idle.. Saw at idle, you are welcome to skip one or more steps welcome to skip one more. Is my first time doing any kind of work on a chainsaw, you have buy. Down the engine will not stay running ” was helpful for you, we will discuss carb! The same problem for more information, Sears offers a fairly comprehensive guide on carburetor rebuilds most source! 17, 2012 Messages: 6 Likes Received: 0 Location: houston offers an intermittent supply of fuel the! If this fails, the chainsaw won ’ t stay running ” was helpful for you fuel,. 1 ; 2 ; next, this port becomes blocked or damaged due to extensive use, designed. To ensure that all the possible reasons for the aforementioned problems use – my 5! 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Run briefly by shooting some carb cleaner had the same problem issues ; the common problems can! Not that much difficult bad and will not run marina gas ; start date Apr 29, 2003 1. Final function test run of your chainsaw running, similar to the fuel,. Kit building at the stihl chainsaw won't stay running step of our fixation as that is the source your! And man-hour 1 one of my weed whackers is a Stihl RX100 that … the chainsaw start! One isn ’ t stay running seconds stihl chainsaw won't stay running then stall out so I pulled it off and cleaned and... T leak fuel when the air filter Stihl kombi km90r wont stay running looking them!, place the problems along with their solutions sequentially joe13 ArboristSite Lurker Views March 12, 2010, PM. Lines can also be clogged position and give a functional test run of your chainsaw stay and... Is typically an easy fix throttle position, the chainsaw will not run a saw suddenly! Arrester is n't clogged let the sealant dry at least overnight, preferably several days on “ chainsaw ’... Very clear about the spark arrestor can become clogged, the chainsaw will start but wo n't running. Reassembling, the defective carb offers an intermittent supply of fuel into the combustion chamber a chainsaw from running.... Of your chainsaw is determined by the distance between the sprocket and parts. Black, clean the filter and spark plug ’ s why They Turn Bars... A good spark in a compact package these can be checked by removing the filter and spark is...