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I run a small tree service in Florida, and Stihl polesaws are a huge part of our operation. We currently have 8 of them (101s and 131s), and have probably had 20 of them over the last 20 years. In my experience, they have many potential issues (apart from the engines, which generally seem to go...

I suddenly have about 10 chainsaws in our fleet that are stalling or won’t run right. I’m suspecting water in our fuel supply. After replacing the fuel, what do I need to do for the saws?

I have a Stihl HT131 pole saw that had a broken choke switch that could not be repaired apart from replacing the carburetor. So, I replaced the carburetor today. (I also did a valve adjustment.) I have very limited experience with tuning carburetors. I played with it a bit, and was getting it...

So, say a chainsaw was set aside because of a non-engine issue and then it went untouched for a long time. Now it's time to try to get it going again. What do you do first? Do you drain the fuel and start with fresh if it's been sitting about 6 months? a year? 2 years? Does it make a difference...

So, I have an Echo CS2511T that won’t start. I’d love some help diagnosing it. The saw has spark. (Checked with the little in-line circuit tester tool.) But it won’t burp at all, unless I dribble some fuel right into the intake. It seems like the carburetor is getting fuel. It pulls fuel into...

I just put a new OEM carb on a Stihl HT131 polesaw. Can someone tell me how to adjust it or direct me to a thorough reference? The saw manual info is extremely brief. I have extensive experience with these saws, but very limited experience with carb tuning. Probably unnecessary ramblings, but...

I have an MTronic 441 that is about 9 years old, and very, very lightly used, but randomly won't run/start when it is hot. Is this definitely a coil issue? That coil is wicked expensive. How can I diagnose this? I'm afraid that if I take it to the dealer, they won't be able to reproduce the...

I have a 620 that mostly runs fine but throttles up slightly when I pick it up or move it around quickly at idle. Why might it do that? It's the first I've ever experienced this, but it's also the first one I've ever "rebuilt". (We've had about 20 of them). It was smashed about 2 months ago...

I'm new here and haven't posted much. When I don't know where to post a question, where do I post my question? Examples of subjects I'm thinking about at the moment: I have a CS620 that mostly runs fine but falters when I pick it up or move it around quickly. I have an MTronic 441 that is...

Hey guys, I am an arborist and crew manager for a small tree service in Central Florida. I’m new to OpeForum. I came for the chainsaws, but now I have a mower question. I pay about $800-$1000 a year for someone to mow my .61 acre lawn. This is a good price for what I’ve got, but I don’t think...