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2013 zr409

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  • 2013 zr409

    Slight tapping noise...take a listen and let me know if this normal

    Sent from my Pixel 2 using Tapatalk

    2013 SAN 230
    2006 SSN 210 (SOLD)

  • #2
    https://photos.app.goo.gl/18MyvaDfRYirniHR9

    Sent from my Pixel 2 using Tapatalk

    2013 SAN 230
    2006 SSN 210 (SOLD)

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    • #3
      Is boat in gear or just sitting and idling? May be worth buying a mechanic stethoscope to isolate where the noise is coming from. I actually bought one last week from Amazon since I am going with a friend this weekend to look at a 2012 boat that has a ZR409 in it, figured its a good thing to have regardless.
      Is it possible the noise is coming from the butterfly in the carb? If you use the neutral lockout and rev engine up a bit to like 1000rpm....is noise still there?

      Its a short video, but the noise does not sound consistent (like associated with engine revolution). Sounded like a double tap the 1st time and then a triple tap the 2nd time.

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      • #4
        Correct, the taps repeat that same pattern over and over. No carb though. It is just idleing and seems to go away at higher rpms. Want to say it there from 700 rpm up to about 1100. Goes away or can no longer hear it. Can feel and hear a slight hesitation that conicides with each tap. No issues performance wise.

        Best I can tell the sound is coming from the port side towards the stern.

        Sent from my Pixel 2 using Tapatalk

        2013 SAN 230
        2006 SSN 210 (SOLD)

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