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Problem with brake fluid identification – Harley Davidson Forums …

DOT-5, when old, turns a yellowish color and then a brown, like Coka Cola.

Drain and fill with new DOT-5. That’s what came in it from new.

Old DOT-5 feels gritty like new DOT-4. the only way you’ll tell the difference, is to pour a large quantity on your hands.

DOT-4 will make your hand feel “warm”, DOT-5 will not. Don’t ask how I know….

DOT-5 will also break up into tiny bubbles when aggitated, and linger, unlike DOT-4.

Problem with brake fluid identification – Harley Davidson Forums …