my 97 500 sportsman quit and i found a destroyed flywheel and stator and got a used flywheel and stator from a 2003? scrambler 500. the scrambler flywheel is the type with the enclosed magnets and the stator tested good when i ohmed it with a tester. it still wont make a spark at the spark plug. could the cdi be bad? how do i check it? what steps do i need to take? i rebuild volkswagen motors, chevy, ford and all, but i cannot figure out this ignition system on this four wheeler. help please!