[0R131842 & Up] - Cat.# 90-898101374 24554334478828 Camshaft and Valves Serial # 0R318095 and Below 24554334478834 Camshaft and Valves Serial # 0R318096 and Up 24554334478738 Carburetor All Models-Serial # 0R318095 and Below 24554334478744 Carburetor All Models-Serial # 0R318096 Thru 0R448032 24554334478750 Carburetor EPA Models-Serial # 0R448033 and Up 24554334478756 Carburetor Non-EPA Models-Serial # 0R448033 and Up 24554334478852 Clamp Bracket 24554334478714 Cowling 24554334478822 Crankshaft, Piston and Connecting Rod 24554334478762 Cylinder Block All Models-Serial # 0R318095 and Below 24554334478768 Cylinder Block All Models-Serial # 0R318096 Thru 0R448032 24554334478774 Cylinder Block EPA Models-Serial # 0R448033 and Up 24554334478780 Cylinder Block Non-EPA Models-Serial # 0R448033 and Up 24554334478858 Driveshaft Housing 24554334478726 Flywheel Cup Serial # 0R318095 and Below 24554334478732 Flywheel Cup Serial # 0R318096 and Up 24554334478786 Fuel Tank All Models-Serial # 0R318095 and Below 24554334478792 Fuel Tank All Models-Serial # 0R318096 Thru 0R448032 24554334478798 Fuel Tank EPA Models-Serial # 0R448033 and Up 24554334478804 Fuel Tank Non-EPA Models-Serial # 0R448033 and Up 24554334478864 Gear Housing Assembly Driveshaft 24554334478870 Gear Housing Assembly Propeller Shaft 24554334478810 Oil Pan Serial # 0R318095 and Below 24554334478816 Oil Pan Serial # 0R318096 and Up 24554334478876 Powerhead Gasket Set Components 24554334478720 Recoil Starter SERVICE BULLETINS 24554334478708 Service/Support Material 24554334478840 Shift Linkage 24554334478846 Tiller Handle 24554334478882 Tools