Parts such as the Second Air (gsf1200sav/saw/sax E18): Cleaner Assy,2nd Air, Clip, Pipe Comp,second Air,inner, Hose(4x7x600) are included in the Gsf1200s 1997 (v) (e02 E04 E17 E18 E22 E24 E25 E34) Second Air (gsf1200sav/saw/sax E18) parts fiche.
The Second Air (gsf1200sav/saw/sax E18) assembly is constructed from several parts from which the Valve Assy,2nd Air Reed is the most expensive.