Parts such as the Oil Pump: '0'ring, Clamp, Nut,cap,6mm, Pump-assy-oil are included in the Jf650-b3 Jetski 1991 Usa Canada / Ts Oil Pump parts fiche.
The most reasonably priced component used on the Jf650-b3 Jetski 1991 Usa Canada / Ts Oil Pump is the Clamp.
five components are shown in this Jf650-b3 Jetski 1991 Usa Canada / Ts Oil Pump exploded diagram.