Stihl chainsaw starts but won't... Stihl chainsaw starts but won't run full throttle. Well I have a 044 that won’t start up . 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 6 possible causes and potential ... View solutions. For a fast and easy start of the chainsaw… Report This by Manage My Life. If you’ve checked all the possible problems and corrected them and your chainsaw still won’t stay running – it might be time to bring it to the service center for a carburetor check-up. Solution: Inspect the idle port to see the condition. I also have an Ebay purchased $12 carb. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. Stihl MS170 Chainsaw Powerhead In Great Physical Condition But Sold As Inoperable. Mechanic thought it might be an air leak in … Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Ensure to remove the jets and gentley use a small tag wire to clean the orifice along with carb cleaner and compressed air. Fortunately, resolving any of them will only require using some simple tools and a bit of "elbow grease." Trimmer is a Stihl RX100 that looks to be in great condition. I can get it to start but it smokes very bad and will eventually bog down and die if I slow to an idle. Chainsaw Won’t Idle. Finally, replace the fuel filter, which is in the gas tank. What Is Wrong If My Push Mower Won't Continue to Run After I've Started it? so thanks for your advice. If the saw is stalling when you pull the throttle trigger or it doesn't reach its full power, adjust the high-speed (H) screw. You will end up waiting and paying more. It also combines with water from the air, which inhibits combustion, and settles at the bottom of the gas tank and in the carburetor. Saves time and money! If the spark arrestor is clogged, the chainsaw may run stall or run rough. You should maintain servicing the chainsaw every time after using it for 25 hours. If the air filter is clogged, replace it. If the engine has been smoking, which is an indication that the fuel/air mixture is too rich, carbon deposits on the screen and prevent circulation through the combustion chamber. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. View solutions. Chainsaw running rough. Over time, the spark arrestor can become clogged with soot. I am trying to get my inlaws chainsaw running after it sat for a year or so. An engine stalls when it's getting too much or not enough fuel from the carburetor. My new Stihl 180c doesn't want to stay running. Symptoms are a very smoking run...almost like there's too much oil in the fuel mix, but I was careful to only out one small bottle in 1 gallon of fresh fuel. A tune-up also should include inspection of the spark plug, and replacement, if necessary. used it for an hour today and then it stopped working and won't restart. Re: Saw won't stay running.....Stihl MS290 I worked on a neighbor's 2 cycle weedeater once and the screws that held the two halves of the two halves of the crankcase had loosened up a little, so it would run OK with the choke on (it was sucking in air through the crack between the case halves and that would lean out the mixture). This is a common occurrence on older-model chainsaws. Whats wrong with it? You can also replace the spark arrestor. 01 - Spark Arrestor. Here’s What To Do If Your Chainsaw Won’t Stay Running. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. to fix the problem take the exhost outlet off of the muffler and use a pair of plyers to pull the screen off then replace the outlet. Someone told me there is a small rubber hose that runs from the crankcase to the carb that acts as a vacumn to suck fuel into the carb and it can crack. Cleaning the filters and adjusting the carburetor are part of a tune-up procedure that you should conduct regularly to keep your saw running well. Stihl ms390 wont stay running? I put a new Zama carb on it, that didn't fix it. I … New fuel line, filter, air filter, and plug, that didn't work. Fresh gas mix with Sea Foam added, that didn't work. Mechanic thought it might be an air leak in … My other Stihl saw, and brush cutter both use fuel from the same container and don't smoke like the 180 does. Or it may be something fairly simple that a user can diagnose and correct on his own. Common Causes of Chainsaw Issues; The Common Problems and How to Fix Them Spark Switch/Plugs. You can buy replacement rewind springs for your chainsaw or get a new recoil starter assembly, which may be easier. 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. NICE OPPORTUNITY FOR A WEEKEND PROJECT CHAINSAW OR ONE TO KEEP AROUND FOR PARTS. Then try it out! The spark arrestor is a small screen that prevents the engine from emitting sparks. Chainsaw chain not turning. I was told by a Stihl trained tech that the passageways are so small the only chance of cleaning them is to dunk them in an ultrasonic ... That makes me wonder if there is a chamber in the carb that fills up when I try to start it with the choke but won't refill fast enough to keep it 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. When Your Chainsaw Won’t Stay Running. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. Be sure to use the correct gasoline:oil mixture ratio recommended for your chainsaw. To unclog the spark arrestor, remove it and clean it with a wire brush. Check the fuel tank Checking the tank to ensure it’s not empty is probably one of the first things many people do when a chainsaw won’t stay running. A McCulloch chain saw that won't keep running may have a major problem. Probable Reasons & Solutions: A Chainsaw Won’t Stay Running. The spark arrestor is a small screen that prevents the engine from emitting sparks. It could be an issue with the return springs in the clutch. Started by Pullinchips on Chainsaws. My new Stihl 180c doesn't want to stay running. The more you use a chainsaw, the quality of the fuel gets worse with time. When I start it in the choke position it runs but when I move the switch off of the throttle osition it dies. Adjusting the low-speed (L) screw also may help with smoother idling or if the saw cuts out at the moment you pull the throttle. Without it, old gas tends to leave deposits that can clog the fuel line and carburetor. Inspecting and tightening screws, nuts and bolts at each use and periodic inspection of chain components will help you avoid trouble. If the carburetor is clogged, try cleaning it with carburetor cleaner. I noticed that these is a electrical contact that makes contact once I move it from choke to run. Over time, the spark arrestor can become clogged with soot. I know that it's totally frustrating to have a chainsaw start and not stay running. Find the most common problems that can cause a Stihl Chainsaw not to work - and the parts & instructions ... Chainsaw won't start. Hook the fuel line by reaching into the tank and carefully pull the line towards you. Re-chocking (once until it kicks) gets it running again for another 20-30 seconds. Stihl Chainsaw starts then stalls. Stihl FS90R Trimmer. 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. The fuel filter might be clogged. From the tank the gas is suctioned into the carburetor where it mixes with air, then is pumped further into the cylinder where the spark plug ignites the mixture; any excess gas is purged back into the tank. From the tank the gas is suctioned into the carburetor where it mixes with air, then is pumped further into the cylinder where the spark plug ignites the mixture; any excess gas is purged back into the tank. This guide helps you to fix it without experiencing difficulties. Symptoms are a very smoking run...almost like there's too much oil in the fuel mix, but I was careful to only out one small bottle in 1 gallon of fresh fuel. Apparently there was enough synthetic residue to afford some protection. Other causes for a lean running condition include lack of oil in the fuel mix, and when the fuel tank runs empty. Then i unlocked it, put a new spark plug in it, and it wont stay running. we took one of ours in and it took them like 2 min to fix it. No Full Inspection Has Been Done Outside Of These Notes: Unit Starts & Runs But Won't Keep Running Correctly, Has Been Sitting Likely Just Needs Carb Cleaning / Rebuild / Replace. So whats the solution for a STIHL MM55 WONT START WONT 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. Well, it depends on what type of idling issue we are talking about. Here are some additional things to check and try if you experience these problems: Stihl chainsaw model 025 idles and starts fine but won’t stay running unless choke is held down. A clogged fuel filter is often caused by leaving old fuel in the chainsaw. 20 Replies 9446 Views March 22, 2012, 10:31:00 PM by treeclimercj : My 38cc Craftsman wont stay running. By replacing your spark plugs and keeping your gas lines clear you can reduce the chances of this problem recurring. I have to run it on half choke all the time or it will act like it s running out of gas and then stall. 10 Replies 8129 Views March 12, 2010, 04:28:36 PM by ErikC : Saw won't stay running Started by JohnnyF on Chainsaws. 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. After removing the carburetor and cleaning, it did finally start. One of my weed whackers is a Stihl Home owners unit. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. If the air filter is clogged, the engine will get too much fuel and not enough air. Already ordered? I choke it, pull once it fires, turn choke off starts first pull. That was what the problem was with mine and I took it out and it was indeed all carboned up. Look through the porthole using torchlight and look for damage or blockage. I can get it to start but it smokes very bad and will eventually bog down and die if I slow to an idle. Dont bother buying online. 30 Replies 13980 Views November 20, 2013, 09:14:08 AM by AdkStihl : 026 stihl won't stay running November 5th, 2012. Email. My stihl start fine but will not stay running. It finally died. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. That's a sign of too much ethanol in the gasoline. ... i have a 031a that wont stay running when you lean it on its. View solutions. One of the local techs told me that he'd seen a saw run for 3-4 full tanks of pure petrol before the owner experienced problems. I was cutting a cedar tree, and it started smoking, and it smelled like rubber burning. When your Stihl 029 chainsaw has just the right combination of air and fuel in its combustion chamber, and the … Apparently there was enough synthetic residue to afford some protection. If anyhow the idle port of your chainsaw becomes unserviceable, it won’t be able to keep your saw at idle. Start the engine, and turn the idle adjustment screw clockwise until the chain begins to turn. Starts but wont stay running. Air Filter and Spark Plug New fuel line, filter, air filter, and plug, that didn't work. Reading this post made me think about my own chain saw. Completely remove the fuel cap from the gas tank. Chainsaw chain won't stop turning. I just loosen the chain. Shipping all 7 days! To unclog the spark arrestor, remove it and clean it … The spark arrestor is a small screen that prevents the engine from emitting sparks. Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. No matter how much I adjust the "L" screw it doesn't change. If the spark arrestor is clogged, the chainsaw may run stall or run rough. It will run for 5-10 seconds and then stall out so I know it has spark. I have a Stihl MS250 with a Walbro WT 215 carb. My Poulan Pro chainsaws start but won't stay running. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. Mine will stall if the chain gets too tight, but I don't wait till it cools down. Put in new carb kit same problem. Any ideas? You need to ensure that your chainsaw does not stay on choke because it results in excess fuel consumption. Chainsaw not cutting. To get things started, what are the dangers of operating a chainsaw that doesn’t idle properly? No Video Available. McCulloch is a Poulan brand. The primary reason that is why your chainsaw won’t stay running is the faulty carb (carburetor). No Video Available. I started it yesterday, but it won't idle. Hold times are long. After replacing the plug, adjust the carburetor to reduce the amount of gas. Troubleshooting starts with checking fundamentals -- such as switches, fuel and spark plug -- and then … Other troubleshooting issues many chainsaw owners can experience is when the chainsaw starts but something goes wrong; it may stall, stop running, chain won’t cut, or the chain won’t stop running. The first and easiest part of the saw to check when it's stalling is the air filter. As a landscape builder, he helped establish two gardening companies. Of operating a chainsaw begins with the tank runs empty require using some simple and. 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