The primer bulb does not pump gas into the engine. Stihl BR 340 - maybe 5-7 years old. ... 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. Thread starter vettman; Start date Nov 15, 2013; V. vettman Forum Newbie. I have a 2001 Model Stihl BG65 handheld blower. 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. No - happens from time - Answered by a verified Technician. Most people think that you choke it then pull it until it starts. 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. If your leaf blower hasnât been used for while, old fuel may have degraded in the carburetor. It will leave a sticky residue which prevents the engine from starting. For more in-depth instructions on how to start your STIHL Blower, see its Instruction Manual. It takes a while to get the hang of them. Most Stihls will flood if you leave the lever on full choke for more than 3 or 4 pulls. (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. 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. 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. I am trying to get it going again, and I have cleaned it up and out but it won't start. Stihl BG 55 blower won't start. 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. Nov 15, 2013 #1 It pumps gas into the carb only, purging it of air, and excess gas is returned to the fuel tank. Prior to storing, it ran perferctly. Leaf blower spark plug and carburetor. How do I clean out a flooded engine in my Stihl leaf blower? That's not always the case and if you do that with a Stihl chainsaw it's guaranteed to flood. In this video, STIHL experts demonstrate how to properly and safely start your STIHL Blower using the simplified starting procedure. 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. This will force any excess fuel vapors out of the cylinder and dry things out a bit in there. It sat up for about 7 years. Stale fuel is the most common reason why a leaf blower wonât start. The engine should now start. 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. Don't have a blower from Stihl but I do know they all have their ways to get them started. Joined Sep 16, 2011 Threads 3 Messages 9. Learn more about the FS 38. Screw the plug back in, pull the starter, and if the engine fires up but runs ⦠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. 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. You will learn basic safety procedures, the primary steps to starting your STIHL Blower â according to the starter type â and the importance of checking the choke. If the tank is full and there's a strong odor of gas, the engine may be flooded. Youâll need to drain all the fuel from the system. To drain all the fuel tank get them started get the hang them! Air, and excess gas is returned to the fuel from the system blower hasnât used... Ways to get it going again, and excess gas is returned to the fuel.... 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