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what is this line? purpose?

Discussion in 'The Garage' started by stephen2us, May 30, 2015.

  1. stephen2us

    stephen2us XS400 Member

    Looking over my xs400, i found this line with two clips on it... it's slightly leaking what I believe is fuel at the top portion, i assume the crimp isn't a big deal either? What is this line, purpose, and is a slight leak from the top a big deal? hopefully, the pic shows up, I'm new..the pic isn't right side up...
    Last edited: May 30, 2015
  2. Norman1950

    Norman1950 XS400 Addict

    It is a crankcase vent.
  3. xschris

    xschris XS400 Guru Top Contributor

    Make sure it don't leak and it is not crimped. Otherwise dirty air can get into the motor and the motor will not vent like it should.

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