2003 Yamaha Big Bear 400 4x4.
I have replaced stator, cdi, control module etc and I cannot get a spark. I have spent so much money just trying to get a spark. Any ideas HELP

 

Although substitution often works, it is an expensive way out. Always best to buy a manual and test out all the ignition circuits "by the book" before spending money. It could just be a broken wire, though the quality of aftermarket electronic parts means you can't trust them anyway.