Check to ensure that all the switches and spark plug of your chainsaw is in working conditions. If there is gas in the tank that has been sitting for more than a few months, it may have gone bad and is causing your chainsaw to not run properly. My Chainsaw Will Not Stay Running: How to Fix This? It is responsible to seal the fuel pump so that it doesn’t leak fuel. Like the proverb says “a stitch in time saves nine”, you have to be careful about the scheduled maintenance of your chainsaw. Stihl FS90R Trimmer. Model #'s pp3516avx & pp4218avhd please advise. Changing the spark plug is an excellent place to start as it is easy to do, and spark plugs are relatively inexpensive to buy. 12:24 . After spark-related issues, the next most common source of problems with chainsaws is the fuel system. As an Amazon Associate, we earn from qualifying purchases without any additional costs to you, Poulan Chainsaw only Runs with Choke on [SOLVED], How to Put a Chain Back on a Chainsaw-Easiest Way, How to Adjust a Carburetor on a Weed Eater. Category: Small Engine. Overheating and smoking are obvious signs of an underlying problem and are an indication that you should shut off the chain saw immediately and investigate the situation before further use. The easiest way to test whether the spark plug is the source of your issues is to simply replace it. Get more answers from the people in your networks. Contents. The ignition coil is responsible for delivering a charge to the spark plug, giving it the power that it needs to create a spark and lite the air-fuel mixture in the combustion chamber. Solution: To get the optimum service from the engine of your chainsaw, you should always use premium fuel/gas. My stihl start fine but will not stay running. Solution: Take out the carb using wrench and screwdriver. BackyardGadget.com also participates in affiliate programs with Clickbank, Commission Junction, and other sites. I'm Peter, the owner of BackyardGadget. Start by reviewing the correct starting procedures in your owner's manual. thanks for the advice fellas. Report This by Manage My Life. If not, you’ll need to keep looking. BackyardGadget.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Not having proper spark is an especially common problem when the chainsaw will turn over but not stay running, as the rotating assembly within the motor will turn as you pull the cable, but there is not enough spark to sustain that movement. If you know what things to check, and are even just a little bit handy, you should be able to have your chainsaw back up and running with minimal work. So, you have to maintain your tools and equipment in a way that, your tools do not get the scope to produce extra hazards. According to Hunker, an ignition coil’s function can be checked by removing it from the head of the engine and pulling the starter cable while looking at the spark plug. There could be more complicated problems like fuel intake, and low engine compression. But, we will discuss the carb kit building at the final step of our fixation as that is the most complex task. November 5th, 2012. My FS-55 string trimmer will start but wont stay running. Discussion Starter • #1 • Nov 26, 2018. So, let’s go over some of the more common spark-related issues that will prevent a chainsaw from running properly. The tension of a chainsaw is determined by the distance between the sprocket and the chainsaw bar. Share it! Ensure to remove the jets and gentley use a small tag wire to clean the orifice along with carb cleaner and compressed air. In this article, I’m going to discuss each one of these problems, as well as provide recommendations on how to fix them. The fuel filter is responsible for filtering the fuel before it enters the engine. Thread starter LawnMower; Start date Apr 29, 2003; 1; 2; Next. If there is an issue with any one of the above components, it may cause your chainsaw to not stay running for long after it has started, if it will start at all. So, let’s go over some of the more common reasons causing chainsaws to stop running, as well as how to fix them. appreciate any advice on this. Thread starter PicturePerfectLawns; Start date Feb 13, 2017; 1; 2; Next. Thanks Dave. If it looks okay, then it probably is, but it may be wise to replace it anyway, as fuel filters are cheap, and a visual inspection may not reveal the problem even if there is one. Well, there are a couple of factors that are responsible for preventing your chainsaw from staying running. Thank you for stopping by! Answered in 50 minutes by: 6/19/2010. Stihl ms390 wont stay running? decided to work through the options,starting with easiest first. View solutions. What Chainsaw Bar Oil to Use – My Top 5 Recommendations, Here’s Why They Turn Chainsaw Bars Upside Down. This guide helps you to fix it without experiencing difficulties. One of the easiest fixes for a non-running chainsaw is to look in the fuel tank, and give it some fuel if the tank is empty. 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. For more information, Sears offers a fairly comprehensive guide on carburetor rebuilds. Depending on your throttle position, the carb increases/decreases the flow of gas/fuel into the combustion chamber. , besides changing out an air filter can spray starting fluid into the combustion chamber to make an engine,... 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