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Thread: Ask Dave About Brake Fluid

  1. #17
    VIGILUM Click here to find out how to Subscribe
    Join Date
    Jun 2007
    Newark Notts
    DOT brake fluid is hygroscopic by nature which means it absorbs water from the environment
    This could be via seams worn or cracked seals leaky banjo bolts/washers pin holed diaphragms etc and microscopic pores in your hydraulic lines especially rubber ones
    I agree about the 90 day comment but Dave Moss is a professional race track bike tuner
    I'll change my fluid every year after all it costs very little when 128 horses need stopping
    Yesterday I dared to struggle Today I dared to win

  2. #18
    Subscriber Click here to find out how to Subscribe
    Join Date
    Oct 2011
    Brake fluid becomes darker because of particles of the seals carried in the fluid and moisture. Normally when changing brake fluid, the dirtiest is in the reservoir from the master cylinder seals and in the calliper from the calliper seals. When changing brake fluid it is best to change the fluid in the reservoir first so that clean fluid is pumped into the system rather than dirty old fluid.

    Don't be tempted to use DOT5.1 in a system that normally has DOT3 or 4. DOT3 and 4 fluid has more lubricity than DOT5.1.
    Anyone riding slower than you is an idiot, and anyone riding faster than you is a maniac

  3. #19
    Subscriber Click here to find out how to Subscribe
    Join Date
    Jul 2012
    Lancs UK
    Brake fluid must be amazing stuff if it can suck water out of the air through a high pressure hose.

    128bhp.... Do you brake while keeping full power?

    Sent from my SM-A320FL using Tapatalk

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