diagram of magneto on a sachs 100,125. Home › Forums › German Motorcycles › Sachs Motorcycles › diagram of magneto on a sachs 100,125. Viewing 4 posts - 1 through 4 (of 4 total) Author Posts 2007-10-17 at 6:31 pm #11806 bob smithMember im thinking the colors of the 3 wires coming from the mag. are not coded correctly, as i have a 1 amp drain with the bike ign. sw turned off. i would love to see a diagram of how the magneto is wired. any help out there? thanks, bob 2007-10-17 at 9:11 pm #13532 0987DAVEParticipant What year model is the bike? 2007-10-23 at 3:37 pm #13533 bob smithMember hi, thanks for the reply. the bike is a hercules, jbe, k100, 1959. i have taken the flywheel off, and the plate with the points, ign. coil, charge coil, and the two lighting coils. the wiring to these seem to be intact, with no pinched or shorted wires. each of the wires goes to its own coil(charge, lighting, ignition). the problem is with the red wire to the charge coil. there is batt. pwr to that wire all the time. also the rectifier is in that circuit,too. i wonder if the rectifier is supposed to pass current one way but not the other? i have a factory wiring diagram, and have triple ckd the way the ign. sw. is wired. i dont know how to test the rectifier. thanks for any help. bob 2007-10-24 at 10:03 am #13534 0987DAVEParticipant Numerous Sachs manuals here: http://www.cybermotorcycle.com/books_manuals.htm I don’t think the page has the one you need as yet, however. Author Posts Viewing 4 posts - 1 through 4 (of 4 total) You must be logged in to reply to this topic.