light and brake fluid

Messages
3,996
Location
United States of America
Is light good or bad for brake fluid? You see many clear reservoirs but they usually fade opaque. On a sportbike they are clear but that could be to help keep it in check. But some motorcycles use the metal fluid container.
 
Messages
36,513
Location
ME
Even if you expose the master cylinder to light with the hood open, how often is that? The light's always on in your refrigerator, too. LOL My Virago has a 1 cm round glass window in the master cylinder, FWIW.
 
Messages
19,528
Location
Lake Forest, CA
The heat in the engine bay made clear brake reservoir to opaque overtime. The other plastic containers became opaque overtime are coolant and power steering.
 
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