51, there is a lot. I wrote up all the issues I had with mine 2 years ago here on this Forum. In the CJ3A page there is an entire section written up...
Venturi, that is a weird one. That looks like a 6 volt foot actuated over running clutch starter. The "solenoid" looks to have been adapted to it to...
I have a 1953 Jeep Cj3b took the starter off and the solenoid just broke apart. I can not find one that has the plunger style solenoid to replace it....