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Thread: 76 R75/7 brand new heads and loud ticking?

  1. #31
    Registered User melville's Avatar
    Join Date
    May 2010
    North Jefferson
    Quote Originally Posted by Na Cl K9 View Post
    When you’ve got everything back together and running, if it still makes noise try advancing the timing a degree or two. When your bike was new, gas was not a problem for its high compression pistons. You have restored compression but now gas is a problem for high compression engines. Under light throttle ignition knock is a soft tapping sound. Hard throttle can produce a noise like a loud rattle. Scary sound. For several reasons, the knock can be on one side only.
    Actually, try retarding the timing a degree or two. Also check the timing on both sides individually with a timing light. My /6, when it had points, would have quite divergent timing on each side because the nose of the cam where the advance mechanism mounted had a .005" wobble. To the point that one side would show F in the timing window at full advance and the for the other side the F would be out of the window.

  2. #32
    Registered User Guenther's Avatar
    Join Date
    Jan 2007
    Colorado Springs, CO
    Since it seems that nothing is wrong with the motor mechanically, maybe the noise comes from somewhere else, like the exhaust system.

    I remember one day after having everything reassembled, I did a test ride and got a shocking noise and metal banging. Forgot to tighten the screws of the crossover pipe between the headers.
    2017 F700GS

  3. #33
    Nick Kennedy
    Join Date
    Nov 2011
    Telluride Colorado
    Last night we watched James Bond in Goldfinger and this thread came to mind.
    Maybe someone has placed a bomb in there ?
    Could happen

  4. #34
    Quote Originally Posted by nickrides View Post
    Last night we watched James Bond in Goldfinger and this thread came to mind.
    Maybe someone has placed a bomb in there ?
    Could happen
    Hell at this point, I wish the dang thing would go off

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