Alright then. All we need to do is replace the air filter. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. Here's how: Start with your Hi screw at 1.5 turns out, as it runs there. I started looking for vacuum leaks, all 3 gaskets for the carb - insulator - cylinder were bad and leaking. Andreas Stihl & Co. is a well-known manufacturer of chainsaws. Run'er up to full throttle and adjust the Hi needle. Our repair guide can help you identify your problem and show you how to fix it with the right part. 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. I have a Green Machine blower, GB-50. Blower: Runs For A While Then Dies . @Kingsford it would be nice if you would tell us if the the new ignition coil solved the problem. Note the position of the screw (this is the rich position). If I wait a few minutes, it will restart (choke on). I replaced the 3 gaskets, sprayed off the carb with carb cleaner. At best, it will run at half throttle, but never at peak rpm. It starts right away and after a a few minutes of work it just shutdown. it starts right after again but it last less than a minute if is just idling will last longer. Seems like a fuel supply problem. Start the blower. And you have adjustable mixture screws. Recently it will start and run fine for about 20 minutes, and then begin to choke down, lose RPM and despite trying to rev it up with the trigger, it dies… My Stihl MS 310 chainsaw dies a few seconds after I start it. Once it … Hold the throttle wide open. I've read about other Stihl blowers having a similar problem, but not after 10 minutes of normal operation. I have a Stihl BG 55 leaf blower. Saw runs like new for about 10 minutes +/ - a minute or two. Others report that their unit starts fine and then dies as soon as they give it throttle, leading to discussions on carb rebuilds, etc. Classic fuel-starvation symptoms. Recently it will start and run fine for about 20 minutes, and then begin to choke down, lose RPM and despite trying to rev it up with the trigger, it dies… Happy day! Lets simply try tuning the Hi screw carefully first. I have a br600 with the same problem. Slowly turn … The machine will start and idle for 30 seconds or so, then die. It has a Zama C1M carb. If the engine on your blower runs then dies, you might need to check the tank vent, ignition coil, or gas cap. After dying, it will not immediately restart. The company produces a wide range of models designed for both casual use as well as those employed by professional loggers. Slowly turn it out, while listening to the engine. It will, after a little bit, begin to slow, run roughly and may smoke. To do this, start by opening the air filter cover. 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