The lowest price component in this Fuel Tank parts-list fiche is the O Ring,36mm.
twenty-four components are shown in this Jh750-c1 Jetski750zx 1995 Usa Canada Fuel Tank exploded diagram.
Some items from this specific schematic: Hose Clamp, Tube,5.8x10.8x860, Holder,tube, Bolt,6x16.