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  1. 06-07-2022, 04:10 AM #1
    Patt
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    Default Is this Belt Noise from Left side of engine normal? Goes away when warmed up?

    Belt type noise coming from my engine left side, goes away when it heats up. Never noticed it before, is this normal? John.
    Last edited by Peter Aawen; 06-07-2022 at 04:20 AM. Reason: Revised title to briefly ask question... ;-)
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  2. 06-07-2022, 09:59 AM #2
    BLUEKNIGHT911
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    Quote Originally Posted by Patt View Post
    Belt type noise coming from my engine left side, goes away when it heats up. Never noticed it before, is this normal? John.
    There are some here who have exceptional hearing ( you might be one ) and have noticed some " whine " from the previous re-design of the front pulley .... The last re-design the " white ones " were supposed to cancel that whine .... Now it has been reported that another NEW design is coming to Correct the " pulley failure rate for pulley's made after 2014 ..... good luck .... Mike
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  3. 06-08-2022, 05:01 AM #3
    Piratezz
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    I have the whine at 70 Km/h, goes away at 71 km/h, under 70 no whining. Cannot wait for the new white pulley/sprocket
    the funniest thing about this particular signature is that by the time you realise it doesn't say anything it's to late to stop reading it........

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  4. 06-11-2022, 04:52 PM #4
    Patt
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    Thank you for the reply. I am talking about when the bike is first started, not on the move. It comes from the engine when cold.
    Last edited by Peter Aawen; 06-11-2022 at 08:30 PM. Reason: ' 's
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  5. 10-27-2022, 10:03 AM #5
    MakoShark2
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    Quote Originally Posted by Piratezz View Post
    I have the whine at 70 Km/h, goes away at 71 km/h, under 70 no whining. Cannot wait for the new white pulley/sprocket
    Have that also and on my second pulley (a white one).

    I would suspect it's rather related to somekind of harmonic vibration of the belt.
    Maybe lowering the tension might help I've got mine set to the recommended 180lbs/ft.
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  6. 10-27-2022, 10:06 AM #6
    MakoShark2
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    Quote Originally Posted by Patt View Post
    Thank you for the reply. I am talking about when the bike is first started, not on the move. It comes from the engine when cold.
    Totally normal. Mine does it and I think all are doing it, still more noticeable on some then others.

    It has been described as marbles jumping around inside and I believe it may have to do with the engine having a dry sump.
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  7. 10-27-2022, 03:30 PM #7
    BLUEKNIGHT911
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    Quote Originally Posted by MakoShark2 View Post
    Have that also and on my second pulley (a white one).

    I would suspect it's rather related to somekind of harmonic vibration of the belt.
    Maybe lowering the tension might help I've got mine set to the recommended 180lbs/ft.
    160 measured with wheel on ground worked for me ..... JMHO .... good luck .... Mike
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