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  • #21
    Tinkeritis. It's MUCH worse than the China Virus!!!!!
    "I'm Ricky Bobby. If you don't chew Big Red.....then Fuck You"

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    • #22
      It is a normal for a R* to have a knock that sounds like piston slap. It comes and goes under different riding conditions. I'm a retired mechanic and I thought the same thing as you when I bought it. My bike only had 1100 miles on it when I bought it and it made noises that sounded like it was coming apart. I since have installed a Big Bore kit so it has a different Cylinder bore and pistons in it and it still makes the same noises. That is why I believe that Docs video is likely the noises that you are hearing and it is absolutely normal and common on these engines. They will last for 100's of Thousands of miles with these noises and no issues from the noise.

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      • #23
        Look up the part number I posted; that's what wears out. You can try shims, I'd thought of it myself, but there are risks involved and I didn't want to take the chance. HDs have a similar issue. This video explains ot in detail. It's the rocker arm end play.



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        • #24
          Hey Doc, I'm just curious about the risks involved with shimming the side clearances on the rocker arms?
          I know that if the inner shaft, and or, the rocker arm hole wears out of tolerance, then they would have to be replaced.

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          • davej
            davej commented
            Editing a comment
            Just don't shim them tighter than minimum spec.

        • #25
          Duke, from what I understand there's the possibility of the shims wearing out and leaving metal fragments in the motor that could cause damage. It's not an uncommon procedure in older motors, but the end play doesn't effect performance or hurt the motor, so you have to weigh the risks.

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          • #26
            Thank you for the information Dave, and Doc. I understand what you guys are saying.
            My bikes are in good shape, no problems. I was just wanting to know for future reference.
            Good information!

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