We may have found other answers which could help you.
Click here for Lawn Mower Engine Valveswhere can i get parts?
How can I get my spectra 40 Tecumseh to run?
My Tecumseh BVS 143 Engine is spluttering and cutting out?
what oil does a tecumseh 420 vantage35 petrol mower take please?
need parts for Vantage 3.5hp Tecumseh?
How can I get the engine to run smoothly?