i believe the data link on that is on the front axle right by the spring LOL as far as magneto output on those things I will go along with you on the magnet being weak if it can't hold a screwdriver as all the ones i have seen in the past if you pass a screwdriver near it it will pick up the screwdriver

David Blatzheim
Technician
David Blatzheim
La Porte, Indiana, USA