Items with associated special tools. Click Red Spanner link on the left of the page for tools page
Briggs and Stratton Sprint, Classic and Quattro Engines
Briggs and Stratton Sprint, Classic and Quattro vertical crankshaft ( rotary lawnmower etc) engines typically range from 3.5HP to 4HP and are identified as 35, 375, 40.
Their Briggs & Stratton Engine Model numbers start with either 9 or 10.
They have a foam type air filter in a canister on top of the carburetor with a single long screw.
There is a rubber push primer on the side of the carburetor for cold engine starting
The carburetor is mounted on top of the engines metal fuel tank.