pickup tube in tank gets clogged at the top, where the 90 degree bend is. tube was updated to one with a screen at the bottom. tube pulls out of top of tank and is easy to get to. caution!!!!! drain tank down below fitting level before pulling
I will go slow so even star will understand, yes the switch is normally closed. on this system when you get off the seat it openssssssssssss the switch. Now 48 years in this field and 25 on exmark I know what Im talking about. I only answer what im sure of unlike some others. If you worked on...
once the parking brake is released the seat switch is the only one that matters. can bypass with a wire jumping the connection, for testing only. if your system has a tilt sensor bypass and leave it that way
on this model the governor parts are built onto the cam. there is a plastic ball Seperator that is held onto the cam by 2 little plastic pins, they broke. thats why you get the delay action. need to pull oil pan and replace that part
without the screen the fitting can plug up at the 90 degree turn, clean fuel no problem. there is an aftermarket plastic shutoff that stens sells that would work. also type in fuel tank shutoff on amazon, many options
the diode is about 2 inch up from connector on engine side. on scag there is no power to ign and carb solenoid with key in crank position so they feed power off starter through the diode, when it shorts it feeds power back to starter in on position. need to cut heat shrink coating back