I've been doing a little research on stuff we could use for these motors, so I figured I'd post what I've found so far. Sorry about the organization, I'm just pasting excerpts from some posts I've made. Some may be new info, some old, who knows.
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Originally Posted by jasonh  I've been looking for a replacement CDI, but ours is not the traditional CDI. Most CDI's have a constant power source and constant ground, and it receives a "fire signal" coming from a secondary magnet/coil (or hall-effect sensor, or optical sensor, or even mechanical points) on the flywheel...in other words they use a minimum of 3 wires, unlike our 2. |
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Originally Posted by jasonh Tj, the only problem with that CDI you posted, is our motors don't have a separate trigger coil. Most CDI systems have a charging coil and a trigger coil on the motor. We just have a single coil. So ours works a bit differently. I'm still trying to figure out exactly how...we may have something similar to the Briggs Magnetron system, but I haven't verified that yet. Once I get my new magneto and CDI in and I verify the bike works, I might rip into my old CDI and see what's up. |
I know I have posted an animation and other info on the Briggs-type system, I just can't find it right now
