You can install this oil level control (also called oil level glass) if your original oil level control is broken or yellowed. Exchange it when you do your next oil change. Sometimes it is easier to break the glass of the old oil level control in order to remove it.
Outer diameter: 40mm
K28 R1200ST (0328,0338)
Protection cap for throttle housing (2 pieces)
...
Stahlflex brake line
Teflon-coated, exact brake point,...
Valve cover gasket outside
R1200 models (not DOHC)...