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stihl chainsaw starts then dies

Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. The poulan 2125 was running perfectly about 2 months ago. the poulan pro it will start same way with chain going fast but when I hit throttle it dies automatically even if I just tap the throttle. So the 2125 it starts no problem but high reving with chain going and I can hit throttle and it revs fast but as soon as I let go of throttle it dies. But, if you have already messed with it, then turn both screws fully in and then 1-1/2 turns out and leave them like that until the engine has started. How to start a Stihl chainsaw. Make sure your new coil has these shims UNDER THE COIL 4282 404 9300 is the PN see the diagram If the spark arrestor is clogged, the chainsaw may run stall or run rough. Stihl 261. Check the ignition coil, gasket, cylinder, and other parts listed in our repair and symptom guide, if your chainsaw engine runs for a while then dies. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Start doing it yourself with the confidence that comes with 100+ years of experience. 2 stroke petrol engine starts & dies. I … Here's how: Start with your Hi screw at 1.5 turns out, as it runs there. Starts when cold. Hexa Fox The Fox Rocks! any diagnosis welcomed! Stihl chainsaw carburetors usually have three adjustment screws: one each for idle, low speed and high speed. You have to leave it alone for a few minutes and then it cranks right back for another 15 seconds. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. What Would Cause a STIHL Trimmer to Not Start? I don't drain the tank before storage as I am using ethanol free gas. Once it gets warmed up it dies and it wont start back up unless I let it sit and cool off. Often we observe a short operation of the saw after start-up. Joined Aug 3, 2013 Threads 18 Messages 23. Tampon. The second situation is when the Stihl 180 chainsaw worked fine, then gradually in a short time it lost power and died out, while overheating of the cylinder is observed. The chainsaw starts and stalls immediately, the reason for this behavior may be hidden in the carburetor. Chain Saw: Starts, Runs For A While, Then Dies . Wood Doctor Edwin. Any ideas what could be causing it? Fails to restart when hot. Fortunately, resolving any of them will only require using … Stihl ST251C Chainsaw Stalls when I depress the throttle. I've watched fixit tips on Youtube , but everyone … Joined Jul 15, 2013 Messages 142 Location Charles Town, WV. The Stihl MS 271 starts quite easily every time if you follow the correct starting procedure: 2-3 strong pulls with the single starting lever in the full choke position produced the starting “burp” every time when cold. Before you adjust the carburetor or change the fuel, though, it's important to make sure the engine is getting all the air it needs for proper fuel combustion. Note: this is a general repair guide. Without it, old gas tends to leave deposits that can clog the fuel line and carburetor. Homelite Super 2 Top-Handle Vintage Chainsaw W/ 14" Bar & Chain Equipped & Included. The chainsaw is pretty new, a Poulan 16". Here is what I did so far. Do not mess with the adjustment screws, as they are pre-set. If the air filter is clogged, replace it. Joined: Feb 9, 2016 Messages: 1,679 Likes Received: 5,486 Trophy Points: 345 Location: Omaha, Nebraska Local Time: 5:42 AM. Jul 15, 2013 #1 Hey guys I know this has probably been asked several time before, but I searched through google and saw this was the … Lets simply try tuning the Hi screw carefully first. Hi, I have a Stihl MS180 that starts no problem but when I throttle up it dies. Page 1 of 2 1 2 Next > skip sail Super OPE Member. Happy day! I can keep it running giving it - Answered by a verified Technician. Problem with my stihl ms250 it starts but when I give it gas it boggs out and dies. It starts and idles OK but revs just die off when cutting. Do not mess with the adjustment screws, as they are pre-set. Only Other Note Is That The On/Off Toggle Switch Is Broke Off. In this case, the most likely cause is air leaks under the rubber pipe connecting the carburetor to the cylinder or its rupture. The spark arrestor is a small screen that prevents the engine from emitting sparks. That's a sign of too much ethanol in the gasoline. Then we go rich and the engine starts to blubber, the RPM's drop, and the engine almost dies. It has suddenly started going dead after about 15 seconds. Ran the saw for quite awhile yesterday... 3/4 tank, some down time here and ther to move branches around. Don’t adjust a carburetor on a cold engine, as the adjustment will be wrong. It starts and idles OK but revs just die off when cutting. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. Page 2 of 2 < Prev 1 2. ... run the chainsaw until it quits and then squirt a little starter fluid into the open choke valve, underneath the air filter. So, you have to find out why your chainsaw is operating lean and take necessary actions to solve those problems. Hold the throttle wide open. The fuel filter might be clogged. This morning, cut for maybe five minutes with the usual intermittancy, same ole same ole. 78 months. Email. Why chainsaw starts and immediately stalls. 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. Stihl MS180 will start but dies when you throttle? The last time I used it, about six months ago, it worked fine. Thanks Classic fuel-starvation symptoms. All Stihl chainsaws are equipped with two-stroke engines, the cold start of which has a similar algorithm. The mixture was leaner, resulting in overheating. i love the saw, but it is hard to start. As a landscape builder, he helped establish two gardening companies. Next Reply Author. When I pull the trigger, it revs up and the blades move, then it bogs out in 10 seconds or less. Thread starter Hexa Fox; Start date Jul 15, 2013; 1; 2; Next. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. DIYnot Forums. Stihl MS250 Starts then dies then wont start again. Stihl MS180 will start but dies when you throttle? 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. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Position the chainsaw bar so the chain won’t hit anything during adjustment. Starting using the Stihl MS 180 chainsaw, most tool owners do not know how to properly roll-in purchased dust. I am using ethanol free gas and the Stihl mix oil. 184 months. 1st I replaced the fuel filter in the tank, then … The first and easiest part of the saw to check when it's stalling is the air filter. Your buddy will really think you are smart when you have fixed the chainsaw for him. Reply Prev 1. of 2. Table of Contents. Next Last. Chainsaw starts and then dies. Here is what I did so far. I have a ST251C chainsaw typically starts on the first try, that is, pull it once with the choke on then take choke off, pull once and it star … read more I set the throttle to the cold setting and give it a pull, then switch it to warm and 1-2 pulls usually starts it, but it stops after a second or two. Over time, the spark arrestor can become clogged with soot. If I leave the choke closed it will run at full throttle, but very lean, so I am pretty sure it is a fuel problem. Hold times are long. Instructions: prime 6x. Thanks. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. If the saw stalls while it's idling, adjusting the idle screw, which usually is marked LA, should help. I have a craftsman chainsaw that will start right away if cold but when I shut down to sharpen the blade or refuel it won't start up unless I let it cool for 20 minutes or so. From what I read, this is a common problem. I'm stumped. Then, the idle slowly turned south, and started to stutter, so I went for the throttle, and it died, stalling immediately when I pulled the trigger. I can get it to run for a few seconds, then i give it gas, it dies. My usually trusty Stihl chainsaw has now started to die when run at high revs. Thanks A chainsaw that dies after it gets hot is a frequent problem in older model chainsaws. The air filter may be clogged or dirty. My Stihl MS 310 chainsaw dies a few seconds after I start it. 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. Scheme of the interaction of fuel and air flow in the carburetor of a chainsaw. One more pull in the half choke position consistently brings this beast to life. If the saw has been in use for many hours, it isn't unusual for it to clog and prevent air getting into the carburetor. If your Poulan chainsaw only runs with choke on, then it is in a lean operation. The spark arrestor is a small screen that prevents the engine from emitting sparks. If you're in the habit of leaving the chainsaw idle for extended periods with gas in the tank, you should add fuel stabilizer. The same issue I had before. Reply Prev of 2. If the spark arrestor is clogged, the chainsaw may run stall or run rough. Some of the suggested parts to check are the air filter, spark plug, fuel filter, and fuel lines. set choke at full. Next, place the chainsaw on the ground, slip your foot into the rear handle to hold it down, and grip the front handle with your free hand. Starts,then dies straightaway,then wont start. This is a common occurrence on older-model chainsaws. Already ordered? We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. It also combines with water from the air, which inhibits combustion, and settles at the bottom of the gas tank and in the carburetor. Stihl MS170 Chainsaw starts then dies. It also has a red switch that you push in to shut off. To unclog the spark arrestor, remove it and clean it with a wire brush. Jul 15, 2013. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. Got the saw unstuck and couldn't get it to start. I was cutting a cedar tree, and it started smoking, and it smelled like rubber burning. After the engine has been running awhile, it dies. Ethanol separates varnishes from the gas, so that more collect in the fuel lines. And you have adjustable mixture screws. 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. If the electrodes are burnt, on the other hand, the fuel is burning too hot. I need a little brain storming. 4,132 posts. The optimum setting is between these two extremes. My usually trusty Stihl chainsaw has now started to die when run at high revs. Set it aside, went back, started right up. This problem happens due to fuel supply issues and some faults with the carburetor. Joined: 7 Jun 2009 Messages: 1 Thanks Received: 0 Location: Buckinghamshire Country: I have a strimmer & hedge trimmer, both driven by a 2 stroke petrol engine. Thread starter Bagster; Start date Mar 1, 2018; B. Bagster Member. It has a green choke tap that can be pulled all the way out for for full choke and pushed half way in for half choke. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. If the spark arrestor is clogged, the chainsaw may run stall or run rough. hello all, i have a 2 year old ms361 i bought new. If the saw drops at full throttle, not enough gas or air is reaching that chamber. talked to another tech and did some research and it may be the high idle adjustment, too lean at high rpm. Over time, the spark arrestor can become clogged with soot. If the saw stalls while it's idling, it's almost surely a misadjusted carburetor.

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