[0R131842 & Up] - Cat.# 90-898101374 24554334478829 Camshaft and Valves Serial # 0R318095 and Below 24554334478835 Camshaft and Valves Serial # 0R318096 and Up 24554334478739 Carburetor All Models-Serial # 0R318095 and Below 24554334478745 Carburetor All Models-Serial # 0R318096 Thru 0R448032 24554334478751 Carburetor EPA Models-Serial # 0R448033 and Up 24554334478757 Carburetor Non-EPA Models-Serial # 0R448033 and Up 24554334478853 Clamp Bracket 24554334478715 Cowling 24554334478823 Crankshaft, Piston and Connecting Rod 24554334478763 Cylinder Block All Models-Serial # 0R318095 and Below 24554334478769 Cylinder Block All Models-Serial # 0R318096 Thru 0R448032 24554334478775 Cylinder Block EPA Models-Serial # 0R448033 and Up 24554334478781 Cylinder Block Non-EPA Models-Serial # 0R448033 and Up 24554334478859 Driveshaft Housing 24554334478727 Flywheel Cup Serial # 0R318095 and Below 24554334478733 Flywheel Cup Serial # 0R318096 and Up 24554334478787 Fuel Tank All Models-Serial # 0R318095 and Below 24554334478793 Fuel Tank All Models-Serial # 0R318096 Thru 0R448032 24554334478799 Fuel Tank EPA Models-Serial # 0R448033 and Up 24554334478805 Fuel Tank Non-EPA Models-Serial # 0R448033 and Up 24554334478865 Gear Housing Assembly Driveshaft 24554334478871 Gear Housing Assembly Propeller Shaft 24554334478811 Oil Pan Serial # 0R318095 and Below 24554334478817 Oil Pan Serial # 0R318096 and Up 24554334478877 Powerhead Gasket Set Components 24554334478721 Recoil Starter SERVICE BULLETINS 24554334478709 Service/Support Material 24554334478841 Shift Linkage 24554334478847 Tiller Handle 24554334478883 Tools