Briggs and Stratton 12S437-0050-F8 205cc 9.00 Gross Torque Engine with a 3/4-Inch Diameter by 2-27/64-Inch Length Crankshaft Dura-Bore cast iron cylinder sleeve for extended life Float carburetor for consistent, easy starting 12 Volt electric start Overhead valve design (OHV) for cooler operation and longer valve life Buyer protection package provides two-year consumer warranty