A sample from the products for the Oil Tank include: Collar,6.2x10x10, Clamp, Tube,5.8x10.8x1150, Tank-oil.
The most reasonably priced component used on the Jf650-b1 Jetski 1989 United Kingdom Fr Al / Ts Oil Tank is the Clamp.
Of all the components used in this assembly the Tank-oil is the most expensive.