[0R131842 & Up] - Cat.# 90-898101374 24554334478832 Camshaft and Valves Serial # 0R318095 and Below 24554334478838 Camshaft and Valves Serial # 0R318096 and Up 24554334478742 Carburetor All Models-Serial # 0R318095 and Below 24554334478748 Carburetor All Models-Serial # 0R318096 Thru 0R448032 24554334478754 Carburetor EPA Models-Serial # 0R448033 and Up 24554334478760 Carburetor Non-EPA Models-Serial # 0R448033 and Up 24554334478856 Clamp Bracket 24554334478718 Cowling 24554334478826 Crankshaft, Piston and Connecting Rod 24554334478766 Cylinder Block All Models-Serial # 0R318095 and Below 24554334478772 Cylinder Block All Models-Serial # 0R318096 Thru 0R448032 24554334478778 Cylinder Block EPA Models-Serial # 0R448033 and Up 24554334478784 Cylinder Block Non-EPA Models-Serial # 0R448033 and Up 24554334478862 Driveshaft Housing 24554334478730 Flywheel Cup Serial # 0R318095 and Below 24554334478736 Flywheel Cup Serial # 0R318096 and Up 24554334478790 Fuel Tank All Models-Serial # 0R318095 and Below 24554334478796 Fuel Tank All Models-Serial # 0R318096 Thru 0R448032 24554334478802 Fuel Tank EPA Models-Serial # 0R448033 and Up 24554334478808 Fuel Tank Non-EPA Models-Serial # 0R448033 and Up 24554334478868 Gear Housing Assembly Driveshaft 24554334478874 Gear Housing Assembly Propeller Shaft 24554334478814 Oil Pan Serial # 0R318095 and Below 24554334478820 Oil Pan Serial # 0R318096 and Up 24554334478880 Powerhead Gasket Set Components 24554334478724 Recoil Starter SERVICE BULLETINS 24554334478712 Service/Support Material 24554334478844 Shift Linkage 24554334478850 Tiller Handle 24554334478886 Tools