How much exercise do you need? Allow only persons who understand this Manual to operate your chain saw. It starts and runs at high revs but as soon as you try to decrease the speed it starts running erratically speeds up and then slows down and then speeds up again .If you try to ideal it quits . Chain spins freely. I have the 024 running about 3/4 of a key advanced and it shows no signs of excess advance, in fact I recon it wants more. Clogged Air Filter. Stihl MS 193T Dies under load. and or is their a lube point at the end of the bar? Does this sound likely? WHO has guidelines. I am working on a Stihl 026 chainsaw . I think the theory is it takes more voltage to ionize the air gap as the pressure builds. Chain saws require routine maintenance to keep them running at the optimal engine speed. Edited by Cjet69, November 17, 2016 - 08:46 PM. Cut up a couple Alder tree logs and the saw never missed a beat. When first stating, it runs fine, but after about 10-15 minutes of cutting wood, it bogs down when put under load. However in .325" sprockets (024 and 026 saws use .325" pitch chain and need .325" pitch sprockets and bars) there are 2 different sizes of internal splined hole: 17mm and 19mm (a 17mm … Open the chain and bar oil tank lid and fill it with oil. I can’t say there was one time in particular, but I guess mostly when I put the saw under a load. Please re-enable javascript to access full functionality. The new 18" bar really does take some of the guts away from the little beast, but this was really wet wood and it took cutting 2/3 from one side, then jumping … Andreas Stihl & Co. is a well-known manufacturer of chainsaws. Over the last couple of years I have been having a problem with my Stihl 026 cutting out while I'm making a cut. Like anything, the spark is going to look for the path of least resistance. I have cleaned the carb and set it to what the manual says . My STIHL Chainsaw Stalls Under Load. With fresh gas/oil in the tank, give the saw another try. Still have questions? Edited by Cjet69, November 18, 2016 - 03:49 PM. If you check the fuel line that is in the gas tank you will find it has a screen filter on it. I have cleaned the air filter, replaced the fuel filter to no effect. I disagree with the 30 day gas life, especially when using Stihl 2 cycle oil (it has stabilizer). My faithful stihl 024 chainsaw would start but not run today. I would not disregard the coil wire but don't think thats the culprit. Stihl FS90 bogs down I've just started up my Stihl FS90 trimmer for the first time this year. how sharp is the chain? Changed the fuel line and filter. It runs great without a load and will perform good under light cuts most of the time. I would get it going again and the same thing would happen. My neighbor's Stihl chainsaw was bogging down so I said I'd take a look at it. I have replaced the spark plug (properly gapped), rebuilt the carb, replaced the fuel line and the fuel filter, cleaned out the chain brake and the clutch and cleaned the fuel tank air pressure … Many people don't realize that 2 cycle engines are best run at wide open throttle (chainsaws under load)and they carbon up with excessive idle or mid throttle. Texas football player charged in attack on referee, Conway: It looks like Biden and Harris will prevail, SEC: Cheesecake Factory misled its investors, Cyrus says marriage was 'last attempt to save' herself, Pence tells Georgia voters election still undecided. On this stihl model the choke is built into the air filter and the spring will get weak and that will cause the choke to close. Lately its been bogging down and struggling for power. When first stating, it runs fine, but after about 10-15 minutes of cutting wood, it bogs down when put under load. Eric My stihl 026 runs fine until its under a load "cutting wood" and it wants to die,I changed the plug ? also may need to adjust the high speed jet to the carb. I don't agree with that statement. As some take grease at this fitting, using a special tool. As cylinder pressure builds it become harder for the spark to jump the gap. I have cleaned the plug, changed the fuel filter in the tank with no change. It has a new chain on, the oiler is working fine, turned up the jets and turned down still does the same thing. … Sounds to me like you have the common cracked fuel line. 6 year old chainsaw runs fine for 15 or 20 minutes then stalls under load. My bet would be on the boot or impulse hose. away. 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. Things like compression and load all factor into the voltage needed. Stihl 026 cutting out - posted in Power Equipment Forum: Over the last couple of years I have been having a problem with my Stihl 026 cutting out while Im making a cut. The engine bogs down under a load and when just revving the saw. Nov 9, 2005 #1 I replaced the piston and cylinder head in a 028 AV wood boss with a used 44 mm piston from 028 wood … Several functions may not work. Can a glass shop replace the top on a glass cooktop or does one have to go to the manufacturer of the stove? P. Polio66 New Member. The first problem is that when the saw is tilted forwards or the chain brake is disengaged it stalls. I agree, DougT. If it goes dead there is your air leak. It doesn't take near the voltage out of the cylinder as it does in against compression. Sent from my SM-G930P using Tapatalk. the saw will start fine and idle fine untill it gets into cutting wood then it wants to die. It was working good and just started in the middle of the job. .325", 3/8" or .404". Discussion in 'Chainsaws' started by ... Hard to narrow down by the given symptoms could be many things but usually if it idles well but won’t accelerate it isn’t the piston and rings. The 024 blows 200 psi, the 026 blows 220 They now run much better. When I started cutting with it, it would bog down and then I would stop and rev the engine. I can keep it running if I feather the throttle, but it still wants to bog down and quit. The spark will fall out of them at just the right load. Clean this filter or take it off the gas hose either or. I have lots of wood to cut up so I will give it a thorough test over the next few weeks. If the saw drops at full throttle, not enough gas or air is reaching that … Here is a video that addresses this problem and explains it well. I took the carb off and dismantled it; blew out the jets, eyeballed everything. If the engine begins operating erraticly before or when the temp peaks, the cause is trouble shooted dependant … The engine boggs down under a load and when just reving the saw. I'm having trouble with my Stihl MS180 chainsaw. I'm thinking that under load the spark jumps to ground causing the saw to cut out. My Stihl 024AV chain saw recently began to bog down when put under load after being used for a while. I'm having trouble with my Stihl MS180 C-BE chainsaw. A heat sink test is talk down for simply running the engine at full load/full throttle until it reaches a temperature that no longer increases under full load, it remains constant, its as hot as it will get. Should you turn off water when leaving house vacant for a month? You currently have javascript disabled. Find a local dealer to get it from, as it is usually cheaper that way than buying it off the internet. My Stihl MS 250 chainsaw engine would bog down at the strangest times. So far not a miss. A dealer can do a quick couple of test to find the problem. Hoad the same thing happen to a saw that came in here today, and the boot was the problem. Now the saw starts and runs, but wants to die under load. Put it in and made 6 cuts in a log. When the fuel lines on these crack they don't leak they suck air. Stihl 024 and 026 take the 17mm size Rim sprockets come in different sizes, for different sized chains, e.g. I have had the saw into a couple of shops, but it still has the problem when I get it back. Hello, I am new here and hope you can help out. 1,274 Posts #21 • Jun 20, 2006. One of 3 things, the fuel line is sucking air, the boot or impulse hose between the carb and cylinder is leaking, or the crankcase seals are going bad. I hoped that fixes the problem, but if for some reason it continues take a look at the air filter. Once it starts I can warm it up but then it is tempormental. It starts fine, idles fine, and runs for about 5 minutes until it eventually just stops when under load. The next thing to check is the air filter. Stihl website says that gas with up to 10% ethanol is okay. The unit is less than 2 years old, was stored over the winter empty, is using fresh fuel with Stihl Oil in it. If I open the throttle fully it quits instantly. My Stihl 024AV chain saw recently began to bog down when put under load after being used for a while. The saw starts right up … Joined Nov 7, 2005 Messages 1 Age 45 Location New England. First, start with a clean or new fuel filter, many times the fuel filter when it gets varnished over or starts to get plugged, will still allow enough fuel thru the filter to allow it to start but when you put it under load, and needs alot of fuel at wide open throttle (WOT), then the engine bogs down, so check or simply replace the filter … I didn't put this in the original post , but the last shop, an authorized stihl dealer, replaced all of the fuel lines. Check your owners manual. I can start it up and run full throttle until I try to cut, then it dies again. Is it possible for a cracked pipe to not be leaking? The coil builds voltage until it gets enough to jump the gap. I recommend using the Stihl 2-cycle oil as well. I have a two cycle husky leaf blower that bogs down when you give it full throttle what could be causing this ... Stilhl 026 chain saw: 1. I cleaned carb and put a kit in … 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. ... Remington Chainsaw runs fine then bogs down under load. It runs great without a load and will perform good under light cuts most of the time. I did clean the spark arrestor screen and that was a notable difference when not under load. Progressively gets more difficult to start and run after that. Inflatable hot tubs and electricity bill. Start the saw and spray some carburetor cleaner behind the carburetor around the crankshaft and around the base of the cylinder. Are you using super unleaded or reg unleaded? When you depress the trigger, a vent on the carburetor opens, allowing more gas to reach the mixing chamber. The 026 is the same at about 1/2 key advanced and it feels like I'm starting a clamshell saw. Replace the bad gasket or seal. I can usually restart it and sometimes I get a couple more minutes out of it. I've cleaned everything but … Nov 9, 2005. It starts easily enough, but when I give it full throttle, it tends to bog down, even to the point of stopping. Update : Sometimes as I cut it bogs down and I have to back off to get it to rev back up again. This is not recommended for shared computers, MH81, boyscout862 and Cjet69 have said thanks. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. Something like that anyway. Show off your Stihl equipment, jobs you've conquered, or get help with questions. Discoloration of the bar is a good indicator of overheating. Debadged, custom emblem, Husky liners, custom bedrail Yak Trak setup with load bars, , BakFlip Fibermax, OME 3" lift with LightRacing UCAs I used my Stihl ms260 last weekend and worked great. Fill the chain and bar oil tank if the chain doesn't cut properly. MrClark, … Found a new plug wire at a saw shop about 15mi. Lots of great advice here. The second you give it some line it boggs down … It took me about 1 minute to pull the top cover and find the plug wire insulation has chafe thru which I would think would be my problem. I got it to cut out the first time I ran it when I got it back. Although the chafed wire can cause problems, the spark doesn't change whether it's under a load or not. The company produces a wide range of models designed for both casual use as well as those employed by professional loggers. Same deal with the plug wires in your vehicle. the saw will start fine and idle fine untill it gets into cutting wood then it wants to die. It may be overheating. I have had the saw into a couple of shops, but it still has the … Re: Modern equal to mythical Stihl 026 chainsaw? also is the oilier working? At my workplace we have no problems … STIHL MS881 The Worlds Most Powerful Chainsaw! The filler cap is on the same side of the Stihl 026 as the puller cord, but farther back. The saw is 5 years old and been trouble free, still on original spark plug and been using Stihl synthetic 2 cycle oil. Noticed the fuel line was seriously degraded. I have an Stihl 026 pro that is about 8 years old that has been more and more of a pain to start. Thread starter Polio66; Start date Nov 9, 2005; Polio66. I have a Stihl leaf blower that bogs and or dies when I pull the trigger to accelerate. To receive maximum performance and satisfaction from your STIHL chain saw, it is important that you read and under-stand the … Now, the ignition timing. Edited by Cjet69, November 17, 2016 - 05:52 PM. Well today I decided to pull some covers and take a look myself. Me and my father went out today and cut up a nice oak that was knocked over in a storm over the winter. Our conservation group has two Stihl 026 saws, both of which have problems. stihl 028 bogs down under load. and is the plug wire replaceable or do you need the whole coil? Join Yahoo Answers and get 100 points today. I have a three year old Stihl FS45 curved shaft trimmer that I use for edging beds (works great inverting it with the curved shaft). safety instructions for all STIHL 026 series power saws. It's not very old. Put in new gas mix. My guess would be an air leak in the system. White House signals no rush on coronavirus stimulus, Report: Ex-NBA star sued by weed consultant, NBA star chases off intruder in scary encounter, Jessica Simpson opens up about struggles with dyslexia, Nashville ICU nurse shot dead in car while driving to work. Under no load (line really short or not trimming grass) it gets up to high rpm's and sounds ok. I have a Stihl FS55R string trimmer. Get your answers by asking now. That's why checking spark with just the plug out of the cylinder isn't a true test if you have enough spark to run an engine. Pay special attention to the safety precautions outlined on pages 4 to 22. 1.8k members in the stihl community. It runs fine at all other times, cuts well and has good power. Checked the spark arrester, it's like new.