Maybe it's time to replace the brake fluid. Anyway Honda shop manual said
Replace every 2 years. God knows what's inside those chinese fluid.
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http://www.chinariders.net/showpost....38&postcount=2
Some Taiwanese product are OKish Example:
http://www.ebay.com/sch/sokbrake/m.html The maker
http://www.sok-brake.com/ exists since 1973

factory are ugly
https://goo.gl/maps/hHfFCfS349z ...
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Typical chonda rotor

Measures it & find