Hello I got a 14 HP Kohler Command..runs great... but when u shut it off and wait it bit it wont refire.. no spark.. but if u wait half hour it starts right back up.. all saftey switches disconnected.. its not the wiring... Could it be the coil???? how much are they and whered be the best place to get one for the best price???? like online??? Thanks..Scott Mower is a 36 inch Gravely by the way THANKS!!!!!!