Stihl string trimmer troubleshooting

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This trimmer has less than 1 hour on it. Just recently it's gotten a little tougher to start and does not run smoothly. It sounds as if it's breaking up, or is miss-firing. It just doesn't have that clean crisp sound. I've gone through the basics and made up a new batch of fuel with premium gas and Stihl mix.

Stihl string trimmer troubleshooting

Weed eater, weed whacker, string trimmer — no matter what you call it, here's how to get it running again. Fortunately, gas weed-eater engines are pretty simple, so most DIYers with a few tools and some basic know-how can troubleshoot a stubborn trimmer and get it running. If your trimmer falls into this category, empty the old gas from the fuel tank and replace it with fresh fuel. Once gas breaks down, varnish, gums and other debris can form inside the carburetor and clog the tiny fuel passages. Remove the air filter and spray carburetor cleaner into the intake. Let it sit for several minutes to help loosen and dissolve varnish. Replace the filter and try starting the trimmer. Beware, however — taking apart a carburetor marks a point-of-no-return, of sorts. Understanding how the delicate gaskets, tiny screws and needle valves go back together can be a challenge, even on a relatively simple string-trimmer carburetor. Take pictures with your phone throughout the process to help reassembly.

I can't see that it should need a carb tune with 30 minutes or so of total run-time. Remove orange shroud from top of engine. You may have to tweak the Lo needle after finding your idle speed.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Let it set for a while and cool down, then restarts fine but will only run for another 20 to 30 minutes. Had taken to dealer for repair, and their diagnosis was carbon build up in the muffler which they cleaned along with carb. Picked it up to use yesterday and the same problem is occurring.

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. We use it a lot to trim around posts and on blackberries and the string is forever jaming, not feeding etc. On the other hand we also have the el-cheapo electric trimmers from the big box store and although they don't last too long maybe years at least they work the way they are supposed to. Unfortunately our property is too big for an electric to cover it all. Regards Fred. Sort by Oldest first Oldest first Newest first Most reactions. Posted via Mobile Device.

Stihl string trimmer troubleshooting

The use of trimmers is an important part of lawn care, and when they malfunction, it can be frustrating. STIHL trimmer heads are a great choice for those looking to get the most out of their lawn care equipment. They offer a wide range of features and benefits, including easy-to-use controls, durable construction, and reliable performance. With proper maintenance and use, STIHL trimmer heads can last for many years without needing to be replaced.

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Explore Our Forums. If the trimmer is clutched, then the head shouldn't turn at idle. Show Likes. Follow the gas trimmer troubleshooting guidelines on this list to get your string trimmer back up and running…and to give your shoulder a break. Now go to idle. AMSOIL Technical Writer and avid avid DIYer with 12 years in the synthetic lubricants industry, who enjoys making technical topics in the automotive, powersports and industrial markets easy to understand. This trimmer has less than 1 hour on it. Search forums. Or, is it possible something else is wrong? As is the case with most issues, this was caused by user or operator error. Accept Learn more…. I can't see that it should need a carb tune with 30 minutes or so of total run-time.

When it comes to lawn care and landscaping, STIHL trimmers have earned a reputation for their reliability and performance. In this blog post, we will explore the world of STIHL trimmers, their essential role in maintaining a beautiful lawn, and the common problems you may encounter with their trimmer heads. STIHL trimmers are renowned in the world of lawn care and landscaping for their exceptional performance and durability.

Now get a spark OK but still will not start. I have been assuming that the engine would just not rev higher. Cape Spencer, New Brunswick, C United States. Check out the tests. Stihl FS45 weed trimmer problem. By continuing to use this site, you are consenting to our use of cookies. Using a good two-stroke oil that burns cleanly and helps prevent carbon deposits is one of the easiest maintenance practices you can perform to ensure your gas trimmer starts easily, runs well and last for years. That's the nature of the business. New posts. Then the owner called me in desperation to see what I had to say. Possibly another mechanic removed the flywheel and failed to tighten it enough, so it slipped; but that's just a guess. I may have semi-flooded it that time or waited one to many pulls to turn the choke off, etc. Stihl Troubleshooting. Start the trimmer and you are back in business.