Parts such as the Cooling: Tube,head-exhaustpipe, Tube,sensor-deck, Tube,cover-chamber, Tube are included in the Jt1100-b1 Jetski1100stx 1998 Usa Canada Cooling parts fiche.
The component with the lowest price in the COOLING schematic is the Clamp,spark Plug Cap.
With eight applications this Clamp is the most specified part.