Thank you for the responses to my 3/17/26 post. I now understand that the dimensions for the mounting bolts and output shaft can vary according to the size of the engine and according to the manufacturer.
A few more basic questions:
1) How far can a small, air-cooled, 4 stroke, vertical shaft...
I am working to design a contraption that can use different size and horsepower rated vertical shaft air cooled engines, from 3 to 27hp. Are holes at the bottom of the engine for the mounting bolts all the same, or do they vary according to the size of the engine? Also, are the dimensions of the...