Stihl chainsaw dies under load. Bar nose sprocket turns easily.

Stihl chainsaw dies under load May 19, 2025 · Absolutely. A fouled or incorrectly gapped spark plug misfires under heavy load, cutting power suddenly at full throttle. Carburetor adjustments to increase the high speed will also correct stalls under load, as well as routine cleaning of the tool to prevent a noticeable loss of engine power while under load. After starting the saw I rev it up and down to warm it up. Each symptom can point to a unique underlying condition that, once Apr 25, 2014 · I have big saws but now only use this small chainsaw because a back injury means I cannot handle the heavier ones. Everything that I've seen on the internet suggests to start with the basics and replace the air filters, fuel filters and spark plug. Have 12 yr-old Stihl MS 290. The fact that the chainsaw pauses when the chain is under load is the reason why many chainsaw operators discover that their chainsaw is bogging down. The is a PoulanPro, which I believe is made by husquvarna. I'm having some trouble with my Stihl ms250. Our repair guide can help you identify the right part to stop your chainsaw’s engine from dying at full throttle. Aug 6, 2008 · G'day All, I have a Husky 455 Rancher about 4 year old but not used that much (maybe 25 cords of felling & bucking?) in pretty good condition. They are a STIHL MS250C Chainsaw Running Lean & Bogging - Easy Fix! In this video Donyboy73 shows you an often overlooked but simple issue that can make your chainsaw run lean and bog down! This problem can Other users are probably correct in that it's an air leak but what could cause this issue is your low jet on your carb being too rich. Unlock key maintenance tips and ensure your chainsaw runs reliably, whether you’re a seasoned user or a beginner. Fuel line possibly? Where should I start looking? Thanks. I have the Jun 14, 2022 · Why Your Chainsaw May Cut Out When Throttle is Applied Is your engine losing power when you are pushing the throttle all the way down? Here we explain various reasons that could be causing your chainsaw to stall at wide-open throttle (WOT). Once in a great while, it won't stall, but definitely shutters and almost does. This guide provides comprehensive troubleshooting strategies, explores common causes, and offers actionable fixes specifically for Stihl chainsaws in the USA. Sep 16, 2024 · Fuel is fresh Stihl branded premix that runs great in my string trimmer. I use aspen fuel as I rarely use the saw, only for camping season. See full list on crosssawmill. The Lorax Jun 27, 2008 Help Support Arborist Forum: Jun 18, 2025 · Discover 3 effective fixes for a chainsaw that dies when throttled. They run just fine but often die when you turn them sideway to cut into a tree or log. It starts and runs fine. Sep 28, 2014 · Starts back up and idles fine but when you open the throttle all at once it bogs out. I have soaked the carb in an ultrasonic Here we take a quick look at the five of the most common reasons a chainsaw (or any small 2 stroke) starts and dies immediately. Its more pronounced when the saw is first started cold. This has happened almost since I got it. Yesterday I did about 45 minutes of cutting, saw warned me it was low on fuel as per normal (it kind of drops from high revs and sounds like it is Jun 17, 2018 · You say it stalls often at idle. Mix in a premium 2 Jun 15, 2025 · Discover 5 expert fixes to solve your chainsaw's running issues. The saw starts right up and idles good. This article explores the key reasons chainsaws stall, offers troubleshooting advice, and details practical solutions to keep your saw running strong. If your chainsaw dies on you in the middle of work, the fault is likely from air filters. When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. It ran good and I took it out this weekend to cut and it performed well the first day. The saw starts, idles well, runs at high rpm without load, BUT loses power (bogs down?) then stalls under load (about half way through a 12" log). Chain saw is probably 5-6 years old. Hipa is committed to providi A chainsaw that is bogging down and losing power will not run at full RPMs. Clogged Fuel Filter A fuel filter is situated at the fuel lines inlet which carries the gasoline from the tank to the carburettor. In this blog post, I’ll discuss the most common reasons why chainsaws won’t stay running, and I’ll provide tips on how to Aug 6, 2020 · Hello all New to site. Looking for information on why chainsaw dies under load and how to fix it? Nothing to be concerned about! In this article, you will get detailed explanations. Let me show you some handy tips on things to check and how it So, whether you are using a Stihl Chainsaw, Husquvarna Chainsaw, basically, all types of Petrol Chainsaw are valid for this principle, as well as many types of or a 2 Stroke Engine. The engine bogs down under a load and when just revving the saw. Oct 3, 2005 · A few weeks ago I replace a piston and cyl on an ms260. The gasoline filter Mar 24, 2019 · Chainsaw Holder -2 Pack- 180LB Heavy-Duty Alloy Steel Wall Mount Set, Chainsaw Accessories, Universal Fit for Stihl, Husqvarna, Echo Saws, Rust-Proof & Space-Saving Design (Garage, Workshop) Fijaru Dec 17, 2007 · Stihl TS400 dies under load. What am I missing? Click to expand Low compression will make them hard to start If compression is good google muffler mod stihl ms290 it helps those to start easier and a bit more power as well You have to retune it after s Chainsaw Won’t Stay Running Your chainsaw is a powerful tool that can be used for a variety of tasks, from cutting firewood to trimming trees. 7K subscribers Subscribe Pull the throttle and the 2 Stroke Engine dies or bogs down. Stihl 031AV Chainsaw Stalls Under Load: Causes & Fixes 031AV often stalls under load and struggles with inconsistent idling or fuel delivery issues. Learn how to maintain peak performance and keep your tool running smoothly every time. . Always use fresh gas with a minimum 89 octane rating and maximum 10% ethanol content. I've always had to be a tad gradual on the throttle getting up to full rpm's, but it's never bogged and died under load like this before. I just about finished cutting up the branch and put my saw on the ground to move the log for the final couple cuts. Why does my chainsaw keep cutting out? Every time I throttle it up, it cuts out and eventually dies. The branch was maybe 8 inches in diameter. Took it out the second day and it would start and idle and you could rev it out of the wood but when you put it under load it would die. It might sit for 6 months at a time. It idles fine, and typically runs well, but last time I used it I had cut for about and hour and then it started bogging down at full throttle. Just rebuild the 180, new motor, runs fine but then suddenly quits like that Quick repair tip on basic chainsaw problemsChainsaw "bog" what to look for and how to fix Dec 28, 2007 · My stihl 044, saw is starting to bog down at full throttle. If the saw stalls while it's idling, adjusting the idle screw, which usually is marked LA, should help. Does not get constant use. Jan 23, 2006 · Stihl 028 runs great until it gets hot then no power Started by Jim Spencer, January 23, 2006, 04:36:08 PM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. Running old gas can be a big culprit, but many other items can cause a Stihl to die. Spark plug and chain are new. Dec 19, 2018 · Without the right amount of air and fuel in the piston cylinder, the 2-cycle engine in a Stihl chain saw runs inefficiently and the saw loses power. Fixing A Stihl Chainsaw That Won't Stay Running INSIDE HOUSE GARAGE 47. Maybe adjust the high screw? Looking for advice before I take it in. It doesn't matter what brand of chainsaw you have: Stihl Chainsaw, husqvarna, echo, dewalt Feb 14, 2007 · A couple months ago I was using my MS250 to cut up oak branch that fell. But when it hits wide open it bogs, so I feather the throttle to keep it going. problem will come and go. When i picked it up it died. Make sure you are running a gas-to-oil fuel mixture at a ratio of 50:1. Muffler screen is clean. One common complaint is chainsaws “bogging down”—losing power, stalling, or failing to rev up under load. I thought I'd have to take my Stihl MS170 in for an expensive repair when it slowed down and would take forever to cut through a log. Then by chance I found Jun 9, 2010 · Has anybody run into this? All the Stihls I have tend to do this, except the 076. I took Sep 22, 2022 · So no matter which type of chainsaw you have (Stihl, Makita, Poulan, Homelite etc), if it has a 2-stroke engine, then it can bod down in these two ways and can also be fixed in different ways as well. Jan 18, 2013 · I'm working on a Stihl MS170 for my brother. The first time rebuilding one without ever having done a TS420 first would probably be a daunting task. Never had any issues with it. And idea why this would happen? Thanks! Jan 12, 2024 · Working outdoors can be such a cathartic experience. Hello friends! I'm relatively new to the chainsaw world but not a stranger to small gasoline engines. Before replacing the solenoid valve, please check for other A reddit for all operators of chainsaws to post experience with tools, pictures of their new saws and old workhorses and any maintenance tips. May 24, 2025 · Spotting The Symptoms Of A Stihl Chainsaw That Won’t Stay Running Identifying the exact problem begins with understanding the distinct symptoms your Stihl chainsaw exhibits. This normally happens when there is insufficient air circulation, which is brought on by the chainsaw’s blocked air filter. The saw starts right up, runs and sounds fine for a few mins then after several cuts it will start bogging down and die. com Stihl MS280 Why does my chainsaw start then die when I give it gas? (by Craig Kirkman) Most Don't Know To CHECK THIS!! Don't Fall Down A Repair Rabbit Hole! #hipaparts Huge Problem, Simple Fix! Home » Blog » Handheld Equipment » 12 Reasons Your Stihl Chainsaw Starts, Stalls and Dies (FIXED) You’re in the middle of a big project when your chainsaw beings to run sluggishly, stalls, and stops running. MS170 is 2 years old, suddenly developed a bogging out problem in the middle of a cut. Troubleshooting chainsaw problems can be a time-consuming process, but it is necessary to identify the root cause of the issue. However, when your chainsaw bogs down, it turns your enjoyable day in the backyard into a complete headache. Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. Regular maintenance is crucial to keep your chainsaw running smoothly and prevent it from dying under load. However, even the best equipment can experience performance issues over time. This is a general guide for your repair; for more detailed information on your model Dec 24, 2010 · Stihl chainsaws MS192t , 2-MS180's ,024 ,026 ,MS260PRO,MS360,MS361, MS460 Vintage 1958 Bolens chainsaw originally bought by my oldman. However, as soon as I try to cut wood, it chokes and dies. It was working good and just started in the middle of the job. But touch anything with the chain spinning a n d, , , I t S l o w s R i g h t D o w n I did clean the spark arrestor screen and that was a notable difference when not under load. A dirty air filter or fuel filter can restrict flow, causing the engine to die when 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. 97 BAYTORY Extendable Tree Pruner Saw Head Without Pole, High-Altitude Branches Trimmer Pruning Shears, Harvester Clipper for Plant Twig Vine, Garden Trimming Tool BAYTORY -31% Jun 15, 2025 · Discover 5 expert tips to fix your chainsaw dying under load. If you’re wondering “Why does my chainsaw keep dying?” you’re not alone—this is a common problem with several possible causes. 99 VICASKY Ergonomic Chainsaw Wrenches 4pcs Spark Plug Removal Tool Gas Chainsaw Wrench Chain Tool for Maintenance Belicious Helper $29. Enhance performance and ensure smooth cutting with our practical, easy-to-follow guide. Feb 14, 2017 · I can change out a cylinder kit on a TS500i in less than an hour, and that includes recalibrating the computer back to factory settings. I cleaned the air Common STIHL Chainsaw Problems & Solutions STIHL Chainsaw Won’t Start A STIHL engine doesn’t start when it doesn’t get sufficient air, fuel, and spark. Basically it would start and idle just fine, and even sounded good at half throttle but when I would push to mill it would die, and if I My little Styhl was bogging down under load and I had a look. It's still bogging down under any throttle. Mar 29, 2024 · Q: Why does my Stihl chainsaw run fine at idle but cut out when I engage the chain? A: If it runs at idle but cuts out under load, the issue is likely an improperly adjusted carburetor, clogged air filter, faulty spark plug, or compression problems preventing sufficient fuel delivery when running at higher RPMs. When the 031AV stalls under load but idles fine, check the carburetor for clogged jets or improper adjustment. It seems to run perfect for a while then goes back to the same problem. May 19, 2025 · A Stihl chainsaw that starts but stalls soon after can be frustrating for professionals and homeowners. Have tried to take decent care of it. Turned out to be an easy fix. Here is what I checked: *tank vent Nov 14, 2025 · Understanding chainsaw performance under load is essential to fixing the problem of chainsaw dies under load. Your chainsaw bogging down is a common issue that May 17, 2025 · A chainsaw that repeatedly stalls can turn simple projects into frustrating challenges. Start by looking into items that can restrict these items. I've had my ms250 for a year now, and all the sudden I'm having a bog/cut out at wide open throttle. Jun 27, 2007 · $16. Helpful Resources And Further Reading May 23, 2011 · I'm having trouble with my Stihl MS180 chainsaw. Ironically, this coincided with this "dying under load" behavior. One controls the fuel mixture when the engine is idling, one The fuel filter in the tank looks perfect. Chainsaws are nasty, and you must not have ever taken apart a newer Stihl chainsaw like a 441. May 21, 2025 · Stihl chainsaws are renowned among professionals and homeowners alike for their reliability and power. That is typically for a leaking solenoid valve. I always sharpen, and or put a new chain on Problem 1 – Chainsaw dies while cutting What happens when your Stihl 462 chainsaw dies on you in the middle of work? This obviously is not the most pleasant situation, but if you have the 462, you need to be prepared for such, and chainsaws in general. If the saw is stalling when you pull the throttle trigger or it doesn't reach its full power Does your Stihl or other brand chainsaw bog down and refuse to run or throttle up? Mine too. This is really annoying and quite common. Pay attention to the specific way your chainsaw stops running —whether it stalls during idle, bogs down under load, or cuts out after starting. Thanks! Nov 7, 2005 · I replaced the piston and cylinder head in a 028 AV wood boss with a used 44 mm piston from 028 wood boss. I have adjusted with the high speed screw while it was un-loaded and while under load. I have the 250 c-b, 250 C-BE, 180 C-BE. Feb 27, 2025 · Not sure about why does my chainsaw bogs down when I give it gas problem? This guide contains all relevant information to solve your problem. It's the carburetor's job to regulate the amount of fuel in the cylinder, and it has been preset at the factory to accomplish that task. If you put the saw in a big piece of wood keep it running wide open it doesn't do this. Chain Saw: Engine Will Idle But Dies At Full Throttle If your chainsaw engine dies at full throttle, check the following parts: the carburetor, fuel lines, fuel filter, air filter, and muffler. Dec 1, 2008 · I was milling this last week and all of the sudden the saw would die when at full throttle or die if it would have any type of load put on it at half throttle. and a Homi SEZAO in a box Typically this is what happens: I'll be bucking a large, 15+ diameter log, going in full throttle, the chainsaw bogs a bit but keeps pushing through, and as soon as I let off the throttle, she stalls out. When this happens, you won’t get a good cutting performance and your task will take a lot longer to complete. New plug, new air filter, always use ethanol free gas and Stihl 2 cycle oil. Recently the saw has run into an issue of wanting to quit under load. This causes fuel to pool in the crank case. Apr 13, 2017 · Hey all. : r/homestead Go to homestead r/homestead r/homestead Jul 29, 2019 · It looses power under load. Stihl carburetors have three adjustment screws. It’s not the gas mixture- it’s not the age of the gas. But what happens when your chainsaw won’t stay running This can be a frustrating problem, but it’s usually easy to fix. When I start to cut it warms up and Nov 6, 2006 · Recently became a bit edumacated about non-ethanol pre-mixed fuels, and ran a couple tanks of that (stihl brand) through the saw. Troubleshoot fuel, air filters, and carburetor issues for smooth operation! Jul 8, 2009 · Hey there everyone, I have an interesting problem with a Stihl 026. Apr 17, 2014 · The fuel mixture in the gas tank must also be at the correct 50-to-1 ratio on a Stihl chain saw for the engine to run under a load. When you pick up the saw the fuel is sent into the cylinder and floods it. Addressing these problems quickly helps maximize productivity, minimize frustration, and extend the MS 171 about 7 years old. If any of the following issues are experienced: – engine speed drops under load – low power, – maximum speed does not reach target value, – engine dies at idle, the M-Tronic solenoid valve may not be sealing properly and may need to be replaced. If you are real easy opening the throttle you can coax it to rev up but under a load it bogs out again. The weird part is that it will cut fine if I use the top of the bar with upwards pressure from the bottom of the log. Why Does My Chainsaw Run Fine At Idle But Dies At Full Throttle? This typically signals a problem with the carburetor’s high-speed circuit, an air leak, or a fuel delivery obstruction. It would not restart. Has maybe 25 hrs on it. A STIHL chainsaw may lose power due to a dirty spark plug, plugged air filter, clogged spark arrestor, plugged fuel … Oct 1, 2025 · Solution for fixing MS250 chainsaw stalling when throttle opens, shared by a user on The Forestry Forum. Once warmed up, (Which takes a good 10 to 20 seconds of putt putt spirt) it accelerates from idle with a slight lag. Bar nose sprocket turns easily Feb 2, 2014 · An engine stalls when it's getting too much or not enough fuel from the carburetor. pqs vcw tbg kfhzv khvkis ceo tacyw tzjlfl rmdwv hhoflp dniide qyyf qeqfvnx sgoj gnw