Where is the solenoid switch located on riding lawnmower?

the solenoid switch on a riding lawnmower is located at the bottom of the carburetor bowl, its used to turn the fuel on and off. some older models don't have the solenoid.

Also,there is another solenoid switch for the starter i think that's the one you want, that's located under the gas tank on the right hand side on the frame. good luck