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Vacuum leak

Discussion in 'Motorcycle Tech Talk' started by JACKN, Jul 20, 2009.

  1. JACKN

    JACKN New Member

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    I have a 2003 Roadking carbed. Where would be the most likley palce for a vacuum leak ? Best way to check for leak ?
    Thanks, Jack
    JACKN, Jul 20, 2009
    #1
  3. hotroadking

    hotroadking Super Moderator Staff Member

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    Hose running from fuel petcock to top of intake.

    Or, if you have small rubber caps on outlets from the manifold they can crack and leak over time.
    hotroadking, Jul 20, 2009
    #2
  4. chucktx

    chucktx Moderator Staff Member

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    to add to what hrk stated.....with the bike running, use some wd40 with the red hose on it and spray around the intake area....dont spray into the aircleaner. the idle will change when ya find it......
    chucktx, Jul 20, 2009
    #3

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