The eleven Bt1100 2004 5jn3 Greece 1c5jn-300e1 Valve component parts are all listed in this schematic.
Some items from this specific schematic: Spring, Compression (1t1), Shaft, Rocker 2, Valve, Exhaust, Seal, Valve Stem Oil.
The most reasonably priced component used on the Bt1100 2004 5jn3 Greece 1c5jn-300e1 Valve is the Nut, Hexagon.
