1st thing you need to do when it quits is check see if you lost spark very common for that cart and if you did replace the coil/ignitor combo.....they go bad all the time............and thats a classic sign of a cart thats getting hot losing spark cooling off running again....over and over until it just quits altogather..............so if you can grab a spark tester from auto parts store carry it while driving when she quits pop plug wire off put tester on crank her over if no spark you have your problem..................................