The component with the lowest price in the LOWER CASING. DRIVE 2 schematic is the Washer(6m7).
In this schematic the "Bolt(64d)" is used most often.
Some items from this specific schematic: Circlip(6g8), Propeller (pa 3x11-3/4"x11"-r), Prop Assy (3x11-3/4"x9-1/4"-r), Cover, Water Inlet 2.