runs well for about 20/30 seconds then dies....  Log in or Sign up. A carburetor kit will helps with this. Our repair information is a general guide to help you, but for more specific repair information related to your model, check your owner’s manual. You may need a hook to remove the fuel filter from the fuel tank. If the engine is starved of fuel, it still may be able to start, but will likely die immediately. A dirty air filter -- which filters air coming through the intake port -- or spark arrestor -- which filters the exhaust -- impedes air circulation and kills the engine. since the "new" (they've been out for awhile now) two-stroke Skidoos have a reverse feature where you hit the reverse button . I am working on a poulan chainsaw-it start runs for a short period and then dies.has new carb,new fuel,new air and fuel - Answered by a verified Technician . Got a low hour 192T that,from cold start,fires on choke after two pulls,then runs first pull no choke. You can also adjust your selections by clicking on the "Next" or "Previous" buttons. Original Poster. Then, I can use it for a few minutes before the whole stall process starts again. Ethanol gas is a real PITA for chainsaws. Many carburetors have adjustment screws, and you may be able to use them to get your engine working properly again. Take a look at the carburetor. :msp_rolleyes: … Fresh gas mix with Sea Foam added, that didn't work. If you fail to improve performance by replacing filters or adjusting the carburetor. If you open the fuel cap and choke it again it runs as long as you you keep it revved up, about half the time when you let up on it, it will quit, open cap, choke it runs again for awhile. Then will not start right away. Some of the suggested parts to check are the air filter, spark plug, fuel filter, and fuel lines. AP 100: AP 200: AP 300: AP 300 S: AR 1000: AR 2000: AR 3000: AR 2000 L: AR 3000 L: Working times per battery charge (up to … min) 1/2 STIHL MSA 160 C-BQ-42: 50: 62: 125 Cleaned gasline filter, cleaned carburetor and jets. Joined Sep 16, 2013 Messages 33 Location Western New York. As a landscape builder, he helped establish two gardening companies. ... Stihl chainsaw dies under load A. austin on Nov 27, 2004. satisfaction from your STIHL chainsaw, it is important that you read and understand the maintenance and safety precautions, starting on page 3, before using your chainsaw. Leaking fuel can also create a fire hazard, so it is important to replace them immediately if you notice a crack. Regular checks of the air filter for buildup should be part of your regular chainsaw maintenance routine. Normal starting routine - prime, choke, pull about 3 times til it fires a little, then push choke off, pull a few more times till it starts. The fuel filter is usually in the gas tank and easily removable and replaceable. Because a chainsaw is a high-speed Stihl MS260 Starts, Revs off Choke, then dies. If you think you have this problem, turn the saw off and solve the problem before running it again. Battery-powered chainsaws As the name suggests, these chainsaws are battery powered which means that you will need to charge up the batteries before you make use of the chainsaw. What else should I check? . Don’t adjust a carburetor on a cold engine, as the adjustment will be wrong. Your Account. Over time, the spark arrestor can become clogged with soot. En español Live Chat online. Interesting . Running a lean mixture for too long will cause irreversible damage to the internals of the engine. If the engine dies while idling, the idle adjustment needs to be tightened. Worn crankcase seals and malfunctions of moving parts inside the engine itself can cause stalling. Here are the most common reasons your chainsaw engine starts, then stops after a few seconds - plus, the parts & instructions to fix the problem yourself. Location heidelberg , Germany. When you try to re-start it, it just won't. You and BG seem to be in agreement about the coil, so … 1; 2; First Prev 2 of 2 Go to page. A bad fuel line will cause the chainsaw to run lean (too little fuel or too much air in the mixture), and this means it will only run at idle for 5 to 10 seconds before it shuts off completely. Pull the spark plug and hook the pug back up to the wire. The company produces a wide range of models designed for both casual use as well as those employed by professional loggers. Although No Full Inspection Has Been Done, … This is especially important if it is your first carburetor teardown. If your chainsaw has been in storage, the fuel may need to be replaced. I've checked gaslines and can see no breaks or kinks. These malfunctions may be the result of insufficient lubrication or deterioration due to age. I doubt the saw has 5 hours of run time under its belt. If you clean your air filter as part of your regular maintenance routine, you can usually prevent this from happening. For more info on why a carburetor would cause this problem, see our section on the carburetor. Replaced carb, fuel lines, fuel filer, checked spark arrestor, use true fuel only - I am baffled. Your Account. Saw Has Been Sitting For Sometime & Might Just Need Minimal Service Such As Fuel System Gone Through. Once the chain/bar is cool to the touch (don’t burn yourself! Slowly turn it out, while listening to the engine. Once it gets warmed up it dies and it wont start back up unless I let it sit and cool off. Vapor lock happens when excessive heat and vapors build up in the gas tank and aren't vented properly. The selector will ask several questions. A fouled spark plug can cause your chainsaw to start but immediately die. Joined May 8, 2017 Threads 4 Messages 9. © Copyright 2020 Hearst Communications, Inc. You may have to remove the carburetor, disassemble it, clean each part with carburetor cleaner and rebuild it. Because this can be a painstaking job, you may prefer to simply replace the carburetor. 15.5 briggs and Stratton in a craftsman lt1000 mower. Answered! So, you have to find out why your chainsaw is operating lean and take necessary actions to solve those problems. It will not start after that unless I put the choke back on and repeat just to get the same 2-4 seconds of run time. If you’ve worked to adjust to the carburetor and it’s still causing this problem, it is probably plugged. Stihl MS170 Chainsaw starts then dies. . Whether working deep in a forest, in a park, landscaping, contracting or in your own garden, a STIHL chainsaw won’t let you down. My faithful stihl 024 chainsaw would start but not run today. Regardless, this saw refuses to start using the typical procedure discussed in the Operator's Manual. We run ours on aspen , I can honestly say that the thing kicks some serious butt. Copyright © 2021 eReplacementParts.com Inc. My unit runs perfectly for 10-15 minutes and then slowly dies. Stihl MS290 (Farm Boss) Starts then Immediately dies. I choke it, pull once it fires, turn choke off starts first pull. If you leave fuel in the carb over the winter, it can become sticky and this can cause a clog that will cause your engine to die. Discussion in 'Chainsaws' started by skip sail, Feb 27, 2017. The spark arrestor is a small screen that prevents the engine from emitting sparks. SawTroll. Outdoor Gasoline and Electric Powered Equipment and Small Engines - Stihl 011 chainsaw starts but won't run full throttle - Hi, I'm a weekend mechanic when it comes to small engines. Outdoor Power Equipment Forum. One full turn out on the low and high speed screws, put the choke on and it burps first or second pull, choke off it starts next pull and runs full throttle for 2-4 seconds and then dies. I never let it sit in mine more than 2 weeks. The air filter is designed to prevent dirt and debris from getting into the engine. Reply Prev of 2. Don’t adjust a carburetor on a cold engine, as the adjustment will be wrong. Here is how to fix it, whether it is a clogged spark arrestor, bad fuel filter. Over time, the spark arrestor can become clogged with soot. Once it’s does start it runs strong for 2-3 minutes. When using a carb kit to rebuild a carburetor, we recommend taking pictures with every disassembly step as you go, to ensure you know the correct placement and order of parts when reassembling. Unscrew the gas cap, vent the gasses and try to restart your saw. We use cookies to give you the best possible experience on our website. I have a Stihl FS55-r that starts right up everytime when cold but all the while I have to feather the throttle to keep it running. You'll probably also find excess deposits on the spark arrestor. Air Filter and Spark Plug To access it, look to the top of the carburetor. How to Fix Chain/Bar That’s Too Hot. i love the saw, but it is hard to start. Run'er up to full throttle and adjust the Hi needle. Over time, the spark arrestor can become clogged with soot. When you remove the old fuel, you should disassemble the fuel lines and spray them with carburetor cleaner to dissolve deposits. When I first start using it, it starts right up. Position the chainsaw bar so the chain won’t hit anything during adjustment. If the spark arrestor is clogged, the chainsaw may run stall or run rough. SRM 225 - runs for 20-30 minutes - once hot stalls out HELP. 4,626 posts. If the spark arrestor is clogged, the chainsaw may run stall or run rough. On many chainsaw models, you can control the amount of fuel that the carburetor sprays into the combustion chamber by turning one of its adjustment screws. HankG New Member. If your chainsaw stalls instead of producing the reassuringly high-pitched sound of a healthy engine when you press the throttle trigger, something is interfering with efficient fuel combustion. Position the chainsaw bar so the chain won’t hit anything during adjustment. Is this a good question? The air filter is under a cover on the engine housing, and the spark arrestor is between the exhaust port and the muffler. If there are tears in the air filter or it is too badly damaged, however, it will need to be replaced. The engine will then slowly die as if it is running out of gas. The carburetor is a part that, when plugged or improperly adjusted, can cause your chainsaw to start up, but immediately die. If your chainsaw engine starts then instantly stalls, follow our repair and symptom guide to help you identify your problem and the best way to fix it. It has the new pull cord start assist mechanism that drives me a bit crazy. My other Stihl saws are running fine with the same ethanol free 89 octane 50/1 mixture. If the problem persists and you have eliminated all other possibilities, it might be time to run through the whole fuel system and look for issues. If I turn off the motor after using it awhile and then try to restart, it will not attempt to start. At any time you may start over by selecting the "start over" button. C. cjac Forum Newbie. Thread starter CanisiusHist; Start date Jan 17, 2015; 1; 2; 3; Next. My guess is that hose is hung up or old enough to where it is stiff or that the filter has fallen off. Interesting . Let it cool down and then start it, screw in the air/fuel mixture screw about 1/4 turn at a time and give her a few wide open runs between each turn until it sounds raspy or shows little to no smoke. I have a 2008 Stihl FS80 weed eater that will start easy and run well for a limited time. STIHL chainsaws should run on gasoline that contains no more than 10% ethanol, which is the maximum ethanol content allowed by law for outdoor power equipment. Are the air filter and the muffler I choke it, and fuel and... Prefer to simply replace the carburetor, disassemble it, whether it is a high-speed chainsaw when! Feb 27, 2004 idles great, jumps right up to the.. Occurs, the problem could have several causes run for about 20/30 seconds it... New, a damaged air filter can starve the engine is pulling his out! Fuel if you pick up a carb kit and cleaning the inside of the carburetor thoroughly, might. Of the carburetor and it ’ s not a great chance of getting it restarted for awhile fuel... 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Stratton 4.5hp at a yard sale pretty straight-forward I let it sit and cool off fouled... Them to get your engine working properly again fuel supply issues and some faults the. Of 0.058 in dealer is pulling his hair out, while listening to the (! For both casual use as well as those employed by professional loggers unless let. Of 2 Go to page Next '' or `` Previous '' buttons when I first using! Grub screws twice now while listening to the carburetor, and can sometimes be cleaned solve!