The coil that PM-T2 has mentioned is a different
size than all other Super Eltos however I made a
replacement out of PVC. There is inexpensive
new coil that will fit in there. Here are a couple
links that will show you how to make a coil
however you will have to run wires to
the kill button in the tiller on your motor.
Also a including video on the timer.
Tubs
https://youtu.be/xwbTlC1xIlA
https://youtu.be/e2vxDqF_OEU
https://youtu.be/zLS6IglCy9k
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.