Parts such as the F-18: Gasket,exh Pipe (nas), Rubber,stopper, Muffler Comp,exh, Nut,(hex) Cap 6mm are included in the Scr100wh 2003 (3) Japan Jf13-100 F-18 parts fiche.
The most reasonably priced component used on the Scr100wh 2003 (3) Japan Jf13-100 F-18 is the Rubber,packing Pr (nas).
The most expensive part in this assembly is the Muffler Comp,exh.