We may have found other answers which could help you.
Click here for Briggs Stratton 35 Classic
Petrol or diesel?
my briggs and stratton 3.5hp starts up then cuts out straight away?
Just overhauled 16 hp Briggs ans Stratton engine ?
Briggs and Stratton SP470?
Excessive Compression?
How to fix a problem with briggs&stratton hp407engine?