The most expensive part in this assembly is the Battery Assy(ytx9-bs,12v8ah).
Some items from this specific schematic: Protector(170x95x3.0), Cushion 20x45x6, Battery Assy(ytx9-bs,12v8ah), Wire,battery Plus.
The lowest price component in this Battery parts-list fiche is the Protector(170x95x3.0).