Weird humming when turning?

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Aug 7, 2018 | 08:54 AM

#11

Afishinado

Road Master

Joined: Oct 2007

Posts: 915

Likes: 29

From: SE FL & Black Hills SD

Don't be so quick to blame the Dunlops... I would bet you ran them low on air... I've done this twice...

Note: See my recent post on TPMS....

Aug 7, 2018 | 10:10 AM

#12

stroker87

Tourer

Joined: Jul 2016

Posts: 357

Likes: 39

From: illinois

Quote:

Originally Posted by Afishinado

Don't be so quick to blame the Dunlops...

i dont jump on ban wagons or join lynch mobs but from my own experiences on two different bikes that had dunlop's on them they are horrible honestly, i think guys that say there a good tire never really used any other quality brands id take them over shinko's tho!

back on topic, i think the bike should be looked at by tech regardless with out being on site seeing things myself id be guessing at telling him what it could be and god forbid i guess wrong and he gets hurt

swing by a harley dealers let them look at it or find a good mechanic and let him look it over

Aug 7, 2018 | 10:22 AM

#13

mjchapman

6th Gear

Joined: May 2015

Posts: 14

Likes: 0

From: Michigan

I had the same humming noise in left hand sweepers, slightly less in right hand. Sounded like it was coming from the front also. Changed front wheel bearings and the noise was still there. I've since changed to Michelin Commander II's and the noise is gone. My indy claims it's more likely the rear 180 Dunlop (2014 SGS) making the noise due to mostly straight roads and wear in the center of the tire. As soon as you lean onto the side of the tire, it starts humming. Makes sense to me. We'll see if the MCII's have the same problem with more miles.

Last edited by mjchapman; Aug 7, 2018 at 10:24 AM.

Aug 7, 2018 | 11:36 AM

#14

ABQ-Jammer

Seasoned HDF Member

Joined: Aug 2017

Posts: 5,562

Likes: 4,759

From: Albuquerque, NM

I had the same "hum"/high-pitched "whine", but mine happened at 50 mph instead, and only on corners. It seemed to be louder when I turned to the left than the right, but my tires (Michelin Scorchers) are fine. I was told it's from the "fingers"/"nubs" on the tires from them being fairly "new", but I've found that the more I ride, the less it happens, so maybe that's what it is.

Aug 7, 2018 | 02:21 PM

#15

Campy Roadie

Seasoned HDF Member

Joined: Aug 2011

Posts: 11,814

Likes: 5,120

From: SW Ohio

Quote:

Originally Posted by NELS

crowned roads here in CT. so always riding on a slant. My left side is cupped and the right side isn't . New tires will wear the same way.
Options are to move somewhere the roads are flat.

Actually you'd need to move to a country that rides on the left side of the road. Then the right side of your tire would be cupped more because of the crown in the road

The difference in wear and the humming noise is because of the road crown, the left side of the tire is just about always on a slight camber.

Last edited by Campy Roadie; Aug 7, 2018 at 02:23 PM.

Aug 8, 2018 | 07:35 AM

#16

klammer76

Road Master

Joined: May 2008

Posts: 1,232

Likes: 428

From: Northern NY

I have experienced this with all the Dunlops I have run. I swear it's a bearing but it's not. They seem to cup faster than other tires for me. I live in upstate NY and roads are also crowned. Tire pressure is always maintained. Starts for me around 8000 to 10000 miles.

Aug 8, 2018 | 01:25 PM

#17

hwork

Cruiser

Joined: Aug 2009

Posts: 174

Likes: 4

From: central IL

I had this problem before, but instead of the tire it was definitely the wheel bearing starting to go. I now have my wheel bearings checked/replaced every tire change.

Aug 8, 2018 | 02:27 PM

#18

oldsoldier181

Thread Starter

Seasoned HDF Member

Joined: May 2015

Posts: 7,702

Likes: 17,167

From: MA

My bike is going in for a 40k service next week. I will be sure to mention it to them. I havent had the opportunity to actually check the tire for cupping yet-its been over 90 here, with humidity. I want to ride, but the heat just doesnt work for me. I park outside, as I live in a condo unit.
I am going with it being cupping though, even without having looked at it yet. I have no other signs at all of it being a wheel bearing. No shuddering, nothing. Hopefully, tomorrow the weather will be a little more tame, and I can check it out.
And I will snap pics too.