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  1. VTX 1800 Tech Board
    2003 VTX 1800s Engine Vibration / Harmonic Gentlemen, I have recently purchased a 2003 VTX 1800S with 3400 miles on it; however, I now have up to 5200 miles on it and I was wondering why above 78 MPH it begins vibrating significantly more. I have accelerated from 0 to 80 and it is very smooth...