Kubota Fuel Shut Off Solenoid Wiring Diagram. When you turn the tractor off with the key, you should hear the fuel solenoid kick in, to shut down the fuel flow and the engine , and then a few seconds later, kick back out to allow fuel flow for the next start up. Kubota kubota rtv500 a h orange model atv hdws.

Oct 19, · kubota usually uses a 3 wire stop solenoid when it needs to have the solenoid energized inorder for the engine to run and it uses the timer relay to apply 12v to the other lead to help pull the solenoid closed to kill the engine. Anyway, the stop solenoid requires a +12v pulse from this box to operate, it should only operate when the rider leaves the seat with the pto engaged or you want to turn it off, box then sends an 8 second +12v pulse to the solenoid to turn off the fuel, and then resets ready for the next start. Two kubota dealers i checked with had no listing on the fuel relay.