Discover common causes, quick fixes, and maintenance tips to keep your tool safe and efficient. Replace the fuel tank cap if its seal is damaged and leaking The role of fuel pressure another factor that can contribute to gas leakage is fuel pressure
Everything has been tightened and it's still leaking. Ideas of what is
When a stihl chainsaw is running, the fuel pump creates pressure in the fuel system to ensure proper atomization and combustion
However, when the saw is on its side, this pressure can cause the fuel to seep out of the tank and carburetor.
Have a ms171 bought in 2012 and has never been serviced It just started leaking gas when put on its side (see pic) I noticed it starts to leak when the fuel rises to a small black nipple (see pic with red circle) If you tilt the chainsaw to submerge the nipple it leaks
Could be leaky fuel line/tank grommet/tank vent, leaking from the carb through a leaky inlet needle or gasket, or possibly a leaky gas cap seal Us mechanics would pressure/vacuum test the carburetor with a cute little hand air pump called a mighty vac to narrow down the issue after verifying the engines condition with a quick compression test. Discover expert solutions to common stihl fuel tank vent problems Learn 5 effective fixes to keep your equipment running smoothly and efficiently.
Stihl fuel tank vent fuel tank leaks causes if you're looking for a quick and easy way to solve fuel tank vent problems, look no further than stihl
Do any of you notice your stihl gas caps having a very slight leak?i noticed 2 of my saws with the new style caps that seemed to leak alittle gas out,its a very small amount and seems to happen when its colder temps The first version of 'flippy caps' on stihl equipment had some problems. Got a stihl 032 av from a friend, leaks gas when set on the side, and leaks oil consistently Otherwise the saw starts and runs well, it just needs new bushings for the handle.
If fuel leaks from the carburetor, rebuild or replace the carburetor to prevent gas from leaking
