Yeah I cant remember model # but they made a cast iron version that looked almost like the model 12 or 13 5hp. Cast iron kick start models weighed a ton.
I recently bought two early 1940's carcasses to bring back to life. I'm buying hard to find parts from guys throughout the Country. Also, Wayne down in Alabama has the good reproduction items. I'll post up on this thread as I move forward.
thecabe.com
Here is a nice thread on the service Cycle. The author "Mike"has several including a 50mph honda motor build.