While you wait for answers, we may have found some information which could help you.
Success
Message
My Briggs & Stratton 10.5 engine will start but dies after about 15 mins?
litres of oil needed in a countax c600h ride on lawnmower?
Adding oil to mower ?
How can I fix Mountfield Laser Omega 46 Lawnmower?
westwood t1200?
McCulloch lawnmower parts removal ?
lawn mower briggs and stratton classic 35?
Petrol or diesel?
lawn mower engine hunting?
lawn mower won't start?
my briggs and stratton 3.5hp starts up then cuts out straight away?
Briggs and Stratton SP470?