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