While you wait for answers, we may have found some information which could help you.
Success
Message
lawn mower won't start?
my briggs and stratton 3.5hp starts up then cuts out straight away?
McCulloch lawnmower parts removal ?
westwood t1200?
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?
lawn mower engine hunting?
Adding oil to mower ?
How can I fix Mountfield Laser Omega 46 Lawnmower?
Briggs and Stratton SP470?
lawn mower briggs and stratton classic 35?
Petrol or diesel?