While you wait for answers, we may have found some information which could help you.
Click here for Stratton Mower Pull Start EngineMcCulloch lawnmower parts removal ?
my briggs and stratton 3.5hp starts up then cuts out straight away?
Petrol or diesel?
litres of oil needed in a countax c600h ride on lawnmower?
Briggs and Stratton SP470?
Adding oil to mower ?