Buccaneer,
You could split the mount on the top and add a screw to tighten the gap, or just add a nylon tipped set screw. I do have the blueprint drawings for the Lockwood timers if you need them. The Lockwood timer has stop pins that stick out the bottom and hit the upper timer mount. Below is a picture of a homemade timer for a two cylinder Lockwood. Also a bottom view of the Ferro timer.
FYI, I checked my Ferro RBM, it has a Bosch Magneto but doesn’t fire in both directions. I think it could probably be set up to fire in the opposite direction with changing the internal timing. These motors don’t really need reverse.
Jim
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