How does a Stihl tank vent work?
How does a Stihl tank vent work? When the gas inside your Stihl chain saw fuel tank heats up it creates pressure inside the tank. The tank vent cap sits on top of the fuel tank and allows these heated gasses to escape. The tank vent cap needs to be cleaned occasionally for the carburetor to work properly. Where is the oil relief valve on a Stihl chainsaw? Look for the oil relief valve in the side of the engine housing, between the oil outlet port and the guide bar studs. Push against the valve with the 16-gauge wire. A...