While you wait for answers, we may have found some information which could help you.
Click here for Mower Starts RunsBriggs and Stratton SP470?
My Briggs & Stratton 10.5 engine will start but dies after about 15 mins?
Petrol or diesel?
westwood t1200?
my briggs and stratton 3.5hp starts up then cuts out straight away?
litres of oil needed in a countax c600h ride on lawnmower?