vibrations

Discussion in 'Dyna Models' started by txtec, Mar 9, 2008.

  1. txtec

    txtec Member

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    i have a 06 superglide and when acelerrating or holding steady 70 in 6th i have a vibration i can feel in pegs and grips .it slightly blurs mirros. it is at 2700 to 3000 rpm even in neutral.i have ridden 2 other 06s that didnt do this .the only diferrence is mine has forward controls. is this normal?? do the forwards have any thing to do eith this problem??
     
  2. DYNAGUY

    DYNAGUY Active Member

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    Sounds like a tuning problem. :D
     
  3. glider

    glider Veteran Member

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    It depends on the severity of the vibration's. It could be a crank out of specs (shaft runout) or a number of other things. Best left to diagnose by a competent mechanic.
     
  4. txtec

    txtec Member

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    i just wonderd if other dynas had this problem,vibration is enough you cant read a license plate in mirros, and with 30 years exp. and 16 ase certifications in auto and heavy trucks i felt competent to make it a 95inch 98h.p. 102 trq. but the vibration was in the bike when i bought it.:yes
     
  5. Fuzzman

    Fuzzman Account Removed

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    Uh-Oh, I can't read a plate either. My fat bob shakes the mirrors too.
     
  6. txtec

    txtec Member

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    thanks ,now i know others vibrate to,
     
  7. hall1836

    hall1836 Member

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    Had mine back(2006 lowrider) to the dealer twice, had a loose upper motor mount made it better but still vibrates excessively. When looking in my mirrors can tell color of what's behind me but don't know if it's a car, bus, or truck. Got the typical dealer response" It's a Harley", have had dressers since 1990 none as bad as this. Dealer took two bikes off the floor and rode them to compare, others also vibrated.
     
  8. txtec

    txtec Member

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    thanks for the info .i was worried my vibration was not normal with dynas.
     
  9. dynarider

    dynarider Member

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    Right on, I am paranoid about this runout issue, and whether it comes on slowly (noticeable) or slowly until one day you say hey this isn't right.
     
  10. glider

    glider Veteran Member

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    Difficult to say how it is going to show up. Usually there's a reason for the cranks to be out like a sudden unexpected down shift where the engine is revved too quickly by the deceleration, or power shifting on acceleration could do it too but the shaking in the bike will let you know you have a problem usually. They have also caused problems with the oil pump when the run out is bad enough.