After tearing up a rod in the original TZ project with a clapped out WR400 motor (big end came apart and sheered the rod in half, remarkably didn't affect the case or the head!) I have found a shift light that works with the A/C current of the YZ (current heart of the Hybrid). But I am having problems figuring out how many times the coil is firing per revolution. The light seems to come on fairly early when I set it how I think it should be. Any help would be greatly appreciated. Thanks.