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Thread: 2009 F650GS twin rattling noise

  1. #1
    2009 F650GS SirRonny's Avatar
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    2009 F650GS twin rattling noise

    Hi everyone,

    I was curious if this noise I am hearing is normal or something that should make me nervous. I moved from a R1200RT to this bike, so am really unfamiliar with the noises these bikes make. What happens is, when I am go slow say in first or second gear and there is no load, neutral throttle, there is a rattle that comes from what sounds like the clutch or tranny. Accelerating or decelerating, there is no noise. When it is making this metallic rattle, if I pull the clutch in, the noise goes away. The bike only has 14K miles on so I am hoping that this noise is just one of those normal noises that BMWs make and nothing worse, but wanted to see if some of you that own these bikes experience the same thing. Thanks in advance!

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  2. #2
    Lifetime Member Ridealot's Avatar
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    The clutch on the F-twins is fairly noisy. In neutral with the bike idling listen to the bike. It will sound like something is wrong. Pull the clutch lever in and the rattling noise will go away. Perfectly normal.

    If you go and listen to a dry clutch Ducati at idle you will be thankful that your bike doesn't make that kind of noise. The clutch noise that is, I wish my bike had that wonderful exhaust note of a Duc
    Tom
    Salem Or.
    '93 K1100LT w/Bushtec
    '03 F650CS '09 F650GS

  3. #3
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by Ridealot View Post
    The clutch on the F-twins is fairly noisy. In neutral with the bike idling listen to the bike. It will sound like something is wrong. Pull the clutch lever in and the rattling noise will go away. Perfectly normal.

    If you go and listen to a dry clutch Ducati at idle you will be thankful that your bike doesn't make that kind of noise. The clutch noise that is, I wish my bike had that wonderful exhaust note of a Duc
    Thanks for the reply Tom and I was hoping that was all it was. We were riding around Barber Motorsports last month during the RA rally and it was almost embarrassing when I would come through slowly in 2nd gear and all this rattling was going on. So I spent a lot of time coasting with the clutch in. I have heard, although never experienced myself, the Ducati clutch rattle. I am riding up to St. Paul this month for the MOA rally and wanted to make sure that I wasn't about to be stranded in NoWhere Iowa. One of the guys I am meeting up there has a Ducati, so I guess I will hear first hand the clutch rattle and the distinctive exhaust note of his bike. Thanks again for the reply and for allaying my fears.

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  4. #4
    Registered User toooldtocare's Avatar
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    Not all Ducati's have a dry clutch. My 900 Monster, with a dry clutch, sounded much louder than my 2007 F800S. If yours is so noisy that you are embarrassed, I would think that something else is wrong. I would have someone else listen to it that owns an older F800.

    Wayne

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    Quote Originally Posted by SirRonny View Post
    Hi everyone,

    I was curious if this noise I am hearing is normal or something that should make me nervous. I moved from a R1200RT to this bike, so am really unfamiliar with the noises these bikes make. What happens is, when I am go slow say in first or second gear and there is no load, neutral throttle, there is a rattle that comes from what sounds like the clutch or tranny. Accelerating or decelerating, there is no noise. When it is making this metallic rattle, if I pull the clutch in, the noise goes away. The bike only has 14K miles on so I am hoping that this noise is just one of those normal noises that BMWs make and nothing worse, but wanted to see if some of you that own these bikes experience the same thing. Thanks in advance!

    Ron
    Hello,

    I have the same bike with low suspension. I discovered a similiar sound several hours after I had bought it used and was riding home. Soon after, I found it to be "chain slap" which is a known issue on the low-suspension models. Then I had a better ride home ;-). Around 2000-2500 RPM in 1st or 2nd, light throttle, the chain slaps against the nylon guide on top of the swing arm.

  6. #6
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by toooldtocare View Post
    Not all Ducati's have a dry clutch. My 900 Monster, with a dry clutch, sounded much louder than my 2007 F800S. If yours is so noisy that you are embarrassed, I would think that something else is wrong. I would have someone else listen to it that owns an older F800.

    Wayne
    I don't know if it is to the point of being embarrassing or not. It may be just coming from my R1200RT that was so quiet that I am not used to this bike and I think everyone else can hear it too. Sounds like others have similar stories. Thanks for the reply.

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  7. #7
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by bryanc33 View Post
    Hello,

    I have the same bike with low suspension. I discovered a similiar sound several hours after I had bought it used and was riding home. Soon after, I found it to be "chain slap" which is a known issue on the low-suspension models. Then I had a better ride home ;-). Around 2000-2500 RPM in 1st or 2nd, light throttle, the chain slaps against the nylon guide on top of the swing arm.
    I never gave chain slap a thought. Thanks for the idea and I will check it out. This isn't a lowered bike, although I doubt that makes a difference with chain slap. Thanks again.

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  8. #8
    Registered User toooldtocare's Avatar
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    I know what you mean coming from a R bike, I sold my R1200R (2012) to buy this bike (2014-F700GS). The R bikes do vibrate less and are quieter, but if you can hear yours making that much noise, something else is wrong.

  9. #9
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by toooldtocare View Post
    I know what you mean coming from a R bike, I sold my R1200R (2012) to buy this bike (2014-F700GS). The R bikes do vibrate less and are quieter, but if you can hear yours making that much noise, something else is wrong.
    I know what you mean, this bike isn't the RT, but it is so much lighter and that is the reason I went to it. I'll probably take this into the dealer and let them listen to it and see what they think. I'm going to be riding it to St. Paul and I really don't want any problems on the road. Yesterday I was riding it and the I really think the noise is from the tranny or the clutch. Thanks for the reply and I will see what they say.

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  10. #10
    Registered User RT290's Avatar
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    Sounds like chain lash. My wife is currently getting adjusted to her '10 F650GS and has been riding around in a parking lot. When she's riding slow , with neutral throttle, the chain is slapping away. Have someone watch you ride in a parking lot and see if the chain is slapping the nylon guide on top.

    Joel

  11. #11
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by RT290 View Post
    Sounds like chain lash. My wife is currently getting adjusted to her '10 F650GS and has been riding around in a parking lot. When she's riding slow , with neutral throttle, the chain is slapping away. Have someone watch you ride in a parking lot and see if the chain is slapping the nylon guide on top.

    Joel
    I think you are correct Joel. We are leaving for St. Paul and in anticipation of that ride, I changed tires, adjusted the chain and aligned the wheels. When that was completed, there is no more noise, so I do believe that it was chain lash. I adjusted the chain to 30mm at the tightest part of the chain. Thanks everyone that replied, this forum is great!

    Ron
    Ron Morris
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    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  12. #12
    Registered User toooldtocare's Avatar
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    Glad you figured it out, have a safe trip.

    Wayne

  13. #13
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by toooldtocare View Post
    Glad you figured it out, have a safe trip.

    Wayne
    Thanks Wayne and thanks to everyone for the help, it is greatly appreciated. I hope to see some of you at St. Paul. Ride safe!

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

  14. #14
    Kawa Afterthought weschmann's Avatar
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    Quote Originally Posted by SirRonny View Post
    Thanks Wayne and thanks to everyone for the help, it is greatly appreciated. I hope to see some of you at St. Paul. Ride safe!

    Ron
    Hi Ron, I just noticed you are from just south of my location in DeSoto MO. I'm leaving Friday morning for a leisurely ride to the rally, with a scheduled volunteer stint on Tuesday setting up..... I just wanted to mention that some chain slap is to be expected, especially if in lower gear (not first) and lugging the engine a bit. Just make sure that you don't over tighten the chain, as that can be worse for longevity than having it a little loose.
    Have a great ride to Minnesota, and if you wish to tag up with another Missouri boy at the rally, keep a lookout for a camping area signed Jackass Hollow.
    Walt E.

  15. #15
    2009 F650GS SirRonny's Avatar
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    Quote Originally Posted by weschmann View Post
    Hi Ron, I just noticed you are from just south of my location in DeSoto MO. I'm leaving Friday morning for a leisurely ride to the rally, with a scheduled volunteer stint on Tuesday setting up..... I just wanted to mention that some chain slap is to be expected, especially if in lower gear (not first) and lugging the engine a bit. Just make sure that you don't over tighten the chain, as that can be worse for longevity than having it a little loose.
    Have a great ride to Minnesota, and if you wish to tag up with another Missouri boy at the rally, keep a lookout for a camping area signed Jackass Hollow.
    Walt E.
    Hi Walt,

    I hope you have a great ride to St. Paul, sounds like you have a good plan on getting there. We are leaving next Tuesday and will get there Wednesday morning or afternoon. The guy I am riding up with works, so that is the reason for leaving so late. I am retired, so time for me isn't as important. After we get there, we are staying at a friends house that lives in St. Paul, but we will be looking for Jackass Hollow when we are there.

    That is exactly the conditions I was getting the noise, not so much lugging it as just a coasting condition. I am a big believer in having the chain a little on the loose side compared to the tight side. Too hard on bearings, chains and sprockets. So I adjusted the tightest spot to 30mm and left it at that. I went for an extended ride the other day and it was still at that adjustment and I didn't hear the noise. I will see what how it does on the way to St. Paul.

    Take care and hope to see you there!!

    Ron
    Ron Morris
    Cape Girardeau, Missouri
    2009 F650GS
    AMA, BMWMOA #153389, IBMWR and NRA

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