FXDB new noise
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Intermediate
Joined: Aug 2012
Posts: 47
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From: SW MO
FXDB new noise
My 2010 Street Bob started making a new noise yesterday. I had ridden for about an hour and then got stuck in traffic and spent 20 min. stopped and creeping along a few feet at a time. The noise started towards the end of the traffic part of the ride. For lack of a better way to describe it, it is a tone that sounds like running your finger around the rim of a crystal glass. I hear it on the right side of the bike. It happens when I take off right at the clutch engagement point for a second or two when I get the bike moving. It only happens at that particular RPM. If I give it more or less gas when I start I don't hear it. I can also hear it sometimes when just riding slowly, like around a parking lot, not using the clutch at all. Sometimes I can hear it very faintly when the bike is in neutral and I give it a little gas. I parked the bike for a few hours and then rode it again. The noise didn't start again for 15 min. or so until the bike was warmed up. Has anybody ever heard anything like this?
Road Captain
Joined: Sep 2011
Posts: 508
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From: Idaho Panhandle
My 2010 Street Bob started making a new noise yesterday. I had ridden for about an hour and then got stuck in traffic and spent 20 min. stopped and creeping along a few feet at a time. The noise started towards the end of the traffic part of the ride. For lack of a better way to describe it, it is a tone that sounds like running your finger around the rim of a crystal glass. I hear it on the right side of the bike. It happens when I take off right at the clutch engagement point for a second or two when I get the bike moving. It only happens at that particular RPM. If I give it more or less gas when I start I don't hear it. I can also hear it sometimes when just riding slowly, like around a parking lot, not using the clutch at all. Sometimes I can hear it very faintly when the bike is in neutral and I give it a little gas. I parked the bike for a few hours and then rode it again. The noise didn't start again for 15 min. or so until the bike was warmed up. Has anybody ever heard anything like this?
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Intermediate
Joined: Aug 2012
Posts: 47
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From: SW MO
Thanks for the info guys. I'll try changing oil and primary oil. I just did that a month ago though and the weather has been cooler here.
Afterthought: I adjusted the clutch a month ago when I changed the fluids. The engagement point is further out now than it was. It used to be closer to the handlebar. Now it engages about halfway out. I have not noticed any slipping though so it must be very little if it's doing it. If it is the clutch, wouldn't I hear it on the left instead of the right?
Afterthought: I adjusted the clutch a month ago when I changed the fluids. The engagement point is further out now than it was. It used to be closer to the handlebar. Now it engages about halfway out. I have not noticed any slipping though so it must be very little if it's doing it. If it is the clutch, wouldn't I hear it on the left instead of the right?
Last edited by Cloyder; Sep 24, 2012 at 10:41 AM.
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Thread Starter
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Intermediate
Joined: Aug 2012
Posts: 47
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From: SW MO
I think I've eliminated the clutch as the source of the noise. I changed the primary fluid and re-adjusted the clutch. Then I took it out for a 30 min. ride down the highway and then back through town. It didn't start again until I stopped and started a few times in a parking lot. I does it in neutral and in gear at that certain RPM that is just above idle (sorry I can't be more specific on that as I don't have a tach). Using the clutch doesn't seem to cause it, it just happens to hold it at that RPM for a couple seconds when I start. It sounds like it is coming from the motor on the right side. Sounds kind of like a quiet low pitched horn. I will try changing the oil tonight unless anyone has any other ideas. I don't think I've broken down the oil though, it's only a month old and has been in very little stop and go traffic.