While you wait for answers, we may have found some information which could help you.
Click here for Ignition Coil Stratton
How to fix a problem with briggs&stratton hp407engine?
lawn mower engine hunting?
lawn mower briggs and stratton classic 35?
Excessive Compression?
Briggs and Stratton SP470?
what causes my Briggs and Statton petrol mower to hunt ?