Leaf blower spark plug and carburetor. (It had been sitting in a shed for 3 years without fuel drained etc...) I've replaced fuel line and am rebuilding Walbro WT 45A Carb. For more in-depth instructions on how to start your STIHL Blower, see its Instruction Manual. Screw the plug back in, pull the starter, and if the engine fires up but runs … I have a 2001 Model Stihl BG65 handheld blower. Stihl BG 55 blower won't start. ... 42 cc leaf blower starts well when cold, but after it runs out of gas, I refill it and try to start it...it won't start. This will force any excess fuel vapors out of the cylinder and dry things out a bit in there. Joined Sep 16, 2011 Threads 3 Messages 9. Learn more about the FS 38. If you have done everything above, but the engine still will not start, try removing the spark plug, and placing a teaspoon of gas directly into the cylinder. Prior to storing, it ran perferctly. Don't have a blower from Stihl but I do know they all have their ways to get them started. If the tank is full and there's a strong odor of gas, the engine may be flooded. If gas is flowing to the engine and it still won't start, you may need to clean the fuel filter or replace the spark plug. Most Stihls will flood if you leave the lever on full choke for more than 3 or 4 pulls. You’ll need to drain all the fuel from the system. Set the "Master" control switch to the "Warm Start" position, push in the decompression valve button (which will open the decompression valve) on the side of the chainsaw, and pull-start the engine. Most people think that you choke it then pull it until it starts. The only thing I can see that priming would do is to force more gas into the cylinder to burn and it would burn for a short period. Thread starter vettman; Start date Nov 15, 2013; V. vettman Forum Newbie. Good Day: Symptom: Engine won't start & carb is flooding gas through engine and out exhaust manifold I have a Stihl FS 56 String Trimmer that I'm restoring. The trick is when it is cold to pull a few times until it almost fires or fires a few times, and then move the lever to the fast idle setting and then pull again. It pumps gas into the carb only, purging it of air, and excess gas is returned to the fuel tank. That's not always the case and if you do that with a Stihl chainsaw it's guaranteed to flood. You will learn basic safety procedures, the primary steps to starting your STIHL Blower – according to the starter type – and the importance of checking the choke. Stihl BR 340 - maybe 5-7 years old. The primer bulb does not pump gas into the engine. If your leaf blower hasn’t been used for while, old fuel may have degraded in the carburetor. The engine should now start. It takes a while to get the hang of them. It will leave a sticky residue which prevents the engine from starting. If you feel that in the process of trying to start the motor you flooded the engine with fuel, now is not a bad time to pull that starter cord several times with the spark plug out. How To Unflood Your STIHL FS 38 Trimmer In the rare occurrence that your machine is flooded, follow these quick tips on how to unflood your FS 38. Stale fuel is the most common reason why a leaf blower won’t start. Nov 15, 2013 #1 How do I clean out a flooded engine in my Stihl leaf blower? A gas-powered leaf blower won't start if it doesn't have fuel, so check the gas tank to ensure that it's full. In this video, STIHL experts demonstrate how to properly and safely start your STIHL Blower using the simplified starting procedure. No - happens from time - Answered by a verified Technician. I am trying to get it going again, and I have cleaned it up and out but it won't start. It sat up for about 7 years. You do that with a Stihl chainsaw it 's guaranteed to flood start your Stihl,. 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