primerbulb120 Lawn Addict Apr 16, 2018 #2 NGK BPR6ES, used in the Honda GCV series. Most of the others use Champion.
ILENGINE Lawn Royalty Apr 17, 2018 #3 B2LM for the flathead briggs and tecumseh engines. And the BKR5E for the OHV engines in Kohler and Briggs.
B2LM for the flathead briggs and tecumseh engines. And the BKR5E for the OHV engines in Kohler and Briggs.