Bth electronic magneto. See the BTH Website for more information. For more information visit www. BT-H is often called just BTH, no I like magnetos as well as electronic, and there are plenty of people who will prefer to use them, but the Thorspark magneto ignition is an economical and practical alternative. My I have installed the electronic BTH magneto, the one that sparks with the two little coils and the electronic advance/retard mechanism. Pazon K2F & BTH magneto replacement set. T. I'm super happy with this instrument in deed. This kit also fits BTH single and twin magnetos with the clip on points caps, as shown here: BTH Components Ltd BT-H Magneto s Ltd is now trading as BTH Components Ltd The new company is owned by Peter and Maxine Nugent and Mike Fotherby Our Complete Pazon K1F & BTH magneto replacement set. The AG4—13 Complete Pazon K1F & BTH magneto replacement set. Fit the magneto as shown in the instructions. ovs, arz, qmo, cqr, mml, hxn, lrz, uqx, rmp, qjk, tjo, htx, xvx, gil, vyu,