https://www.briggsandstratton.com/~/media/Files/BriggsandStratton/NumericalDesignationSystem.pdf
M mechanic mark Lawn Pro Joined Jul 15, 2013 Threads 175 Messages 7,482 Sep 13, 2016 / B&S Identification Information #1 https://www.briggsandstratton.com/~/media/Files/BriggsandStratton/NumericalDesignationSystem.pdf
