add a fuel treatment to remove water if it is a small amount or drain the fuel and replace with fresh
Take a clean rag and stuff it into the tank - it will soak up the water.
bubbles on top of gas in tank
it will probably explode or it will burst into flames either or its bad
That will vary for each make and model of mower.
Check the gas tank for water at the bottom of the tank. That is a common problem.
on the fuel line running from the tank to the carb.
You will need to remove and clean the gas tank and the carburetor. Then replace the gas lines and filter.
Possible buildup in the line from the gas tank to the carb.
There will be an inline filter on the fuel supply line from the tank to the carburetor
Lawn mower-under 1 gallonSemi-over 100 gallonsLawn mower-under 1 gallonSemi-over 100 gallons
A simple way to extend the life of a lawn mower is to keep it clean and maintained. After mowing, remove debris and grass from the outside of the mower, which can cause rust from moisture, and be sure to wipe up any oil or gas spills off of the mower, which can cause damage to the finish on the mower. Check the wheels and clear these of grass as well. Be sure to keep debris from getting into the gas tank so that the motor always runs properly.
Because there is water in the fuel line. Drain the gas tank, fuel line and the carcuretor bowl. Then put new gas in it.