Trigger Wheels - New and Old



Old Wheel

Old style trigger wheel,
set sensor gap at .018-.020
New Wheel

New style trigger wheel,
set sensor gap at .030-.035
The difference between an "old" and "new" trigger wheel can be determined by examining the space left by the two removed teeth. On "old" wheels, the depth of the space is equal to the depth between each tooth. On "new" wheels, the depth of the space is very shallow.