Including type approval; only valid for LC4 640 with Mikuni carburetor. Can only be fitted in combination with original header. Removable noise reduction insert. 60 % weight reduction compared with original stainless steel version. We recommend use of the appropriate air box cover and the following main jet: Mikuni carburetor: 157.5 (584.31.023.157); Kehin carburetor: 188 (545.31.623.188).
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