The Washer-plain,6mm is the cheapest item from this partsfiche.
This schematic depicts all components used in the Ex400gjfa Ninja 400 2018 Europe,middle East,africa Cylinder Head partslist.
Parts such as the Cylinder Head: Guide-valve, Ring-o,25.5x2, Pin,10.1x12x14, Gasket-head (nas) are included in the Ex400gjfa Ninja 400 2018 Europe,middle East,africa Cylinder Head parts fiche.
