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