This part suffers from the vagaries of Northern European and Northern American weather, especially when used in road salt conditions. So if yours is corroded, or not functioning as it should, it might be easier to replace with a brand new part.
Add as many items as you like to your shopping cart, new fasteners for example, and pay just one low fixed price shipping cost. CMS is the supplier of choice for most enthusiasts around the world when purchasing high quality motorcycle spares and accessories.