We may have found other answers which could help you.
Click here for Lawn Mower Repair Briggs & Strattonwhat causes my Briggs and Statton petrol mower to hunt ?
How to fix a problem with briggs&stratton hp407engine?
lawn mower engine hunting?
my briggs and stratton 3.5hp starts up then cuts out straight away?
Excessive Compression?
lawn mower briggs and stratton classic 35?