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  1. #1
    BLASTER 1's Avatar
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    2015 FZS rattle noise from front of engine

    Hello all you Yammi Heads, I've just joined so be easy on me. I have a 15 FZS with 4 hrs on her and yesterday I heard like a rattling noise from the front of the engine. When I got home I recorded it so you all could hear it. I did a thread search for this and most of the replies were that its normal, but it never made this noise before so I just want to be sure. Thank You


  2. #2
    Don't here a rattle. If your talking about the noise after shutting off, that's normal.

  3. #3
    BLASTER 1's Avatar
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    Thanks Jmfmk3, I didn't clarify but yah the marble like spinning noise you hear after shutting off. It never made that noise before thats why I had the concern

  4. #4
    Guidoo's Avatar
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    Supercharger spinning down. Remember the SC drive uses a sprag bearing to allow the SC to spin down from 40000+rpm. This is designed to save on wear and tear on the drive gears.

  5. #5
    BLASTER 1's Avatar
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    Thanks for the reply SVHOKIDD. I see you bought a rxpx, I guess you'll have to change your name to RXPXKIDD lol. I almost went with one too but bought the fzs instead. Hope I made the right choice.

  6. #6
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    Sounds like the supercharger. I've mine did it since new and never had an issue.

  7. #7
    Guidoo's Avatar
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    I had a 14 FZR. Yes,traded in for a 15 RXP X. I'll ride until Yamaha get the timing chain issues straighten out. I miss the brute power of the SVHO coming out of the hole but this RXP is much more comfortable to ride and turns like a MF!

  8. #8
    Ale's Avatar
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    mine when was stock


  9. #9

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    Sounds exactly like my 2014 FZS.

  10. #10
    BLASTER 1's Avatar
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    Thank You for the replies, I feel much better now��. Ale that sounds just like mine! Sure is a lot of noise, this is my first 4stroke been a die hard 2stroker my whole life.

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