The most reasonably priced component used on the Jf650-a5 Jetskix2 1990 Usa Jet Pump is the Washer-spring,6mm.
With a quantity of six pieces, the Bolt,6x25 is the most used part in the JET PUMP diagram.
A sample from the products for the Jet Pump include: Bushing,17x25x15, Seal-oil,s625476, Ring-o, Nozzle-pump.