Hi madmulcher

Here is a general Briggs Manual for older engines.

https://www.outdoorking-forum.com.au/forum/ubbthreads.php/ubb/download/Number/1966/filename/Briggs%20/%20Stratton%20repairman's%20handbook%20for%20older%20engines%201919-1981%20ce8069-1.pdf


Cheers
Max.