Author Topic: Odd Engine Noise at Idle  (Read 1904 times)

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  • Offline David S   us

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    Offline David S

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    Odd Engine Noise at Idle
    on: March 19, 2019, 02:04:37 pm
    March 19, 2019, 02:04:37 pm
     I just had the 600 mile service done ($295 USD) and at the same time had Ducati heated grips installed. The issue is, with the grips on there is a chirping, kinda growling sound (real loud) coming from the engine area at idle speed. It was NOT there before. If I ever so slightly give it throttle, to the tune of about 100 rpm, it goes away. But at normal idle it is there. If I shut off the heated grips, no noise at all at normal idle speed. If it was a car, I would say the bearings on the alternator were going out and are making noise under load, but I have never incurred this with any bike before. Any ideas??

  • Offline Conman   gb

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    Offline Conman

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    Re: Odd Engine Noise at Idle
    Reply #1 on: March 19, 2019, 03:45:59 pm
    March 19, 2019, 03:45:59 pm
    Sounds like the alternator is being put under a big load if it's making that much noise. I'd take it back and get them to give it a look over.

    Also, pull in the clutch to make sure it's not that making the noise.
    Anything more than two wheels is unnecessary.

  • Offline ChrisS   ch

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    Offline ChrisS

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    Re: Odd Engine Noise at Idle
    Reply #2 on: March 19, 2019, 09:31:15 pm
    March 19, 2019, 09:31:15 pm
    I have the Ducati heated grips on my bike. Used them a fair bit this winter and my last few rides had them on maximum. I've never noticed any noise like you describe. I have to idle the bike a fair bit when leaving the garage and manoeuvring down the drive so I think I would have noticed if it was as loud as you describe. Could be something off on the alternator or dealer installation of the grips.

    I won't be able to check until my next ride which might be some time off but will try to remember to check and report back.