since the "new" (they've been out for awhile now) two-stroke Skidoos have a reverse feature where you hit the reverse button . 1-800-269-2609 24/7. Well, your carb might be buggered up then -- seen it many times. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. This part is inexpensive and replacement is recommended if there’s anything lasting wrong with it. Oct 29, 2011 #1 I have a MS250 that's only two years old and has barely been used. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. HankG New Member. Both are easy to remove and service. The fuel filter can also become clogged, and this will prevent fuel from reaching the engine, causing it to die. It has the new pull cord start assist mechanism that drives me a bit crazy. Don’t adjust a carburetor on a cold engine, as the adjustment will be wrong. If the engine doesn't stall until you depress the throttle, tighten either the low-or high-speed adjustment screw to improve performance. When I first start using it, it starts right up. . 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. A fouled spark plug can cause your chainsaw to start but immediately die. If the engine dies while idling, the idle adjustment needs to be tightened. Check for this problem the next time your saw dies when it's hot. Thread starter Hexa Fox; Start date Jul 15, 2013; Prev. 186 months. 2. Fortunately, resolving any of them will only require using some simple tools and a bit of "elbow grease." It has the new pull cord start assist mechanism that drives me a bit crazy. Thanks. 4,626 posts. Any ideas what could be causing it? 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. A clog in the air filter can starve the engine of fuel and cause it to die. 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. 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. Once the chain/bar is cool to the touch (don’t burn yourself! Whether working deep in a forest, in a park, landscaping, contracting or in your own garden, a STIHL chainsaw won’t let you down. The carburetor is a part that, when plugged or improperly adjusted, can cause your chainsaw to start up, but immediately die. If the spark arrestor is clogged, the chainsaw may run stall or run rough. The fuel filter can also become clogged, and this will prevent fuel from reaching the engine, causing it to 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. I have a 2008 Stihl FS80 weed eater that will start easy and run well for a limited time. Well, that all resulted in a saw that starts easily but won't stay running. Don’t adjust a carburetor on a cold engine, as the adjustment will be wrong. The only way to start using it again is to let it sit for a while. Sometimes, your chainsaw will only idle for about 5 to 10 seconds after you let off the throttle and then it will shut down. I can saw with no problem for the first few minutes. . 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. Might need a carb kit. 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. Stihl MS290 (Farm Boss) Starts then Immediately dies. . If that doesn't get the saw running smoothly, it's probably time to bring it in for servicing. Thread starter HankG; Start date Oct 29, 2011; HankG. 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. Then will not start right away. Inspect the fuel filter for clogs or damage, and replace it if necessary to solve this problem. A cracked fuel line can cause fuel to leak out, and this will prevent it from entering the engine. and drive link of 72. If you’ve worked to adjust to the carburetor and it’s still causing this problem, it is probably plugged. Homelite Super 2 Top-Handle Vintage Chainsaw W/ 14" Bar & Chain Equipped & Included. In fact, STIHL has been proving itself since 1923, when we invented the first powered chainsaw. New coil pack, new spark plug, new air filter, oil level is fine. The engine will then slowly die as if it is running out of gas. © Copyright 2020 Hearst Communications, Inc. Interesting . OK, I seldom run into this with a new Stihl chainsaw, but I have a real problem with an MS251C. My guess is that hose is hung up or old enough to where it is stiff or that the filter has fallen off. My faithful stihl 024 chainsaw would start but not run today. How to Fix Chain/Bar That’s Too Hot. They run through the power of electricity which obviously means that they do not require an engine to operate them. Score 2. As a landscape builder, he helped establish two gardening companies. Go. Once the spark plug is fouled, we recommend that you replace it, and your problem should be solved as a result. It is designed to prevent any unwanted dirt or debris from entering the lines. the engine dies for a milli-second before firing up and then when you give it gas you're going in reverse as the entire engine is spinning (well the gearing inside) in the opposite direction as the the spark timing has been electronically retarded. Things might be a little more complicated if the problem is related to fuel delivery or to the composition of the fuel itself. Vapor Lock. . When it does, turn it out 1/4 turn and try that out. Sunday 8th February 2015. 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. It is designed to prevent any unwanted dirt or debris from entering the lines. The 18 in. Picking up a carb kit and cleaning the inside of the carburetor is a great way to ensure the carb is functioning properly. 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