Briggs & Stratton 121S02-0130-F2 vertical Professional Series engine is 190cc and puts out 8.75 gross torque. This engine has a 25mm x 3-5/32″ crankshaft with a 3/16″ keyway (7/16-20 tapped). Briggs & Stratton Professional Series engines combine professional-grade features with homeowner convenience for the best of both worlds; easy operation and reliable power and performance. Applications include push mowers and some Toro Timecutter models. Buyer protection package provides two-year limited consumer engine warranty. 50-State CARB Compliant. All engines purchased from us ship for free and are foam packed for added protection during transit.