Parts such as the Water Muffler: Collar, Plate, Muffler,water Box,lwr, Collar,7.5x10.5x24 are included in the Jf650-b1 Jetski 1989 United Kingdom Fr Al / Ts Water Muffler parts fiche.
Of all the components used in this assembly the Muffler,water Box,lwr is the most expensive.
The lowest price component in this Water Muffler parts-list fiche is the O Ring,60mm.