Learn how to service a diaphragm type carburetor, which are commonly found on many Briggs and Stratton Lawn mowers like the 3.5Hp Classsic and Sprint.
- Phillips Head Screwdriver
- Socket Wrench - 13mm & 11mm
- Flat Head Screwdriver
Begin by removing the air filter, then the petrol tank as shown in the video.
Once free check your fuel tank for dirt and clean if necessary.
Once removed clean thoroughly. Be careful when removing the gasket and diapharm not to lose the small spring and filter.
Once the top is clean grab the tank and make sure any chunks of dirt or metal are gone. Carefully place your new diaphragm and gasket on the top piece and then reassemble.