MARINER : 2A : 646-31100 AND BELOW Model HP/Displacement2A Serial Range646-31100 AND BELOW Assemblies: CARBURETOR CHOKE-MAGNETO CONTROL AND FUEL COCK CLAMP AND SWIVEL BRACKET COWLING CRANKSHAFT AND PISTON CYLINDER AND CYLINDER HEAD DRIVESHAFT HOUSING AND STEERING HANDLE FLYWHEEL MAGNETO AND STARTER FUEL TANK GEARHOUSING ASSEMBLY CARBURETOR CHOKE-MAGNETO CONTROL AND FUEL COCK CLAMP AND SWIVEL BRACKET COWLING CRANKSHAFT AND PISTON CYLINDER AND CYLINDER HEAD DRIVESHAFT HOUSING AND STEERING HANDLE FLYWHEEL MAGNETO AND STARTER FUEL TANK GEARHOUSING ASSEMBLY