saminmn 17 #1 Posted September 2, 2016 I BOUGHT A USED B&S MOTOR LAST WEEK AND CAN'T FIGURE OUT THE SERIAL. # . IT READS LIKE THIS .23 203010 76597 008 018 WHAT IS THE HP ? Share this post Link to post Share on other sites
Mike'sHorseBarn 2,625 #2 Posted September 2, 2016 Briggs and Stratton Model 23 Spec #203010 Serial #76597 It is a 9hp. The other numbers are valve clearances i believe. 2 Share this post Link to post Share on other sites
gwest_ca-(File Mod) 10,488 #3 Posted September 3, 2016 This file should date your engine Garry Share this post Link to post Share on other sites
