Some items from this specific schematic: Washer, Plate (34l), Hose Clamp Assy(4es), Joint, Air Cleaner 1, Hose Clamp Assy.
The Intake assembly is constructed from several parts from which the Reed Valve Assy is the most expensive.
The lowest price component in this Intake parts-list fiche is the Bolt, Flange Deep Recess.