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Rick, Small Engine Technician
Category: Small Engine
Satisfied Customers: 3844
Experience:  Outdoor Power Equipment technical trainer since 1990, covering eight states.
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I have a mountfield SP470 with a briggs and Stratton engine

Customer Question

I have a mountfield SP470 with a briggs and Stratton engine it runs very unevenly and cuts out what could be the problem
Submitted: 2 years ago.
Category: Small Engine
Expert:  Curtis B. replied 2 years ago.
What is the engine model number? From what I see , it has the carburetor mounted on the fuel tank, and the carburetor has a primer. Primer can be leaking air, through the check ball behind the primer, or the carburetor suction tube in the fuel tank can be restricted.