The fifty-one Jf650-a5 Jetskix2 1990 Usa Hull component parts are all listed in this schematic.
The most reasonably priced component used on the Jf650-a5 Jetskix2 1990 Usa Hull is the Screw 0.22 X 0.563.
A sample from the products for the Hull include: Nut,10mm, Hook, Nut-hex-small, Seal,osr70x82x7.5.