Parts such as the Cooling/bilge: Tube, Tube, Hose,bilge (2), Tube,15.5x21.5x260 are included in the Js440-a14 Jetski440 1990 United Kingdom Fr Al Cooling/bilge parts fiche.
In this schematic the "Rivet" is used most often.
seventeen components are listed in the schematic for this Js440-a14 Jetski440 1990 United Kingdom Fr Al Cooling/bilge .