How in HECK to you figure HP on a B&S engine?
Took me too long to find this..
first 2 digits = DISPLACEMENT
3rd digit = ENGINE SERIES
rest is just BS like bearing and starter type (prob the same for all lawnmowers)
Briggs official website breaks it down here:
https://www.briggsandstratton.com/c.../en_us/Files/Numerical_Designation_System.pdf
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