The Fuel Tank assembly is constructed from several parts from which the Tank-fuel is the most expensive.
This schematic depicts all components used in the Jb650-a2 Jetmate 1990 Europe Fuel Tank partslist.
A sample from the products for the Fuel Tank include: Tube,fuel,5.8x12.2x55, Hose Clamp, Holder,tube, Gasket (nas).
