With all the components that make up the DR650R 1990 (L) (E2 E4 E15 E16 E17 E18 E21 E22 E24 E25 E34 E39 E CAM SHAFT - VALVE assembly. The Cotter Valve is the most frequently specified with eight applications.
Some items from this specific schematic: Seal,oil(10x17x6), Washer, Nut,adjusting Screw, Screw,tappet Adjusting.
The most reasonably priced component used on the Dr650r 1990 (l) (e2 E4 E15 E16 E17 E18 E21 E22 E24 E25 E34 E39 E Cam Shaft - Valve is the Pin.