Motorcycle Questions? Ask a Mechanic.
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, the primary suspect would still be the igniter (most likely).
Still, since the; igniter, fuel pump relay and front ignition coil all have been replaced, then the only potential part left to check would be for the crankshaft sensor. Between its yellow & green/white wires, check for pulsating 3.6V when attempting to start the Mule.