With four applications this Screw, Pan Head(n15) is the most specified part.
Parts such as the Carburetor: Jet, Ma1n #90, Starter Set, Needle Set, Seal are included in the Ttr90 2003 5hnc Portugal 1b5hn-100e1 Carburetor parts fiche.
The twenty-six Ttr90 2003 5hnc Portugal 1b5hn-100e1 Carburetor component parts are all listed in this schematic.