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post #1 of 10 (permalink) Old 08-06-2019, 05:38 PM Thread Starter
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Slight Vibration

Have a 15 Road Glide and recently discovered that when i lean slightly to the left or right i can feel this vibration. Not a very big vibe but it's there none the less. I only have to lean about 3 inches before i feel it. Have 23K miles on the bike and Commander II tires only have about 5K on them. Just curious where i might look for the cause. Any help from you Road Gliders would be appreciated! Thanks

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post #2 of 10 (permalink) Old 08-06-2019, 07:18 PM
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Is it only at certain RPM or speeds? Do you feel the vibration through the seat, handlebars, everywhere? Were your wheel bearing inspected or replaced when you had your tire change?


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post #3 of 10 (permalink) Old 08-06-2019, 09:17 PM
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I’ve always had good luck w the Comm II’s & not many miles yet. But did you check for low air in front & cupping???


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post #4 of 10 (permalink) Old 08-06-2019, 09:28 PM
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You need a new front tire. may only have 5000 miles but if the tire was run on low tire pressure it is trashed. What you feel is the cupping on the front tire...it doesn't take much before you feel it in the bars...

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post #5 of 10 (permalink) Old 08-06-2019, 09:46 PM
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Quote:
Originally Posted by BigPomaha View Post
Have a 15 Road Glide and recently discovered that when i lean slightly to the left or right i can feel this vibration. Not a very big vibe but it's there none the less. I only have to lean about 3 inches before i feel it. Have 23K miles on the bike and Commander II tires only have about 5K on them. Just curious where i might look for the cause. Any help from you Road Gliders would be appreciated! Thanks

BIGP
If you haven't kept your tire pressure up (I run 38 to 40 Lbs.) then your front tire is probably cupped and causing that vibration.


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post #6 of 10 (permalink) Old 08-06-2019, 11:26 PM
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At 31K the rear drive side wheel bearing was gone, just put new boots on and found it. Had a similar vibration, I had put off to the tires being cupped but.......maybe not....
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post #7 of 10 (permalink) Old 08-07-2019, 03:33 AM
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My bet is on the wheel bearings. It could be either the front or the back bearings but from what I understand the newer models have issues with the front wheel bearings. There are 2 wheel bearings in the front and 3 bearings in the rear. If you roll the bike backwards you may hear a slight clicking sound if you do it is a sign that the wheel bearings are going. The bearings could still be going out even though you don't hear a click.
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post #8 of 10 (permalink) Old 08-08-2019, 05:00 PM Thread Starter
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Ron,

It appears that you hit the nail on the head with the front tire. It's very hard to see by just looking at the tire but when i feel it, it has not worn evenly and that i believe is causing that slight vibe. Tire still look brand new so i will see what happens in the newxt 500 miles to decide of i need to replace it. Thanks for the input guys. Glide-On!!
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post #9 of 10 (permalink) Old 08-15-2019, 08:08 PM
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You may want to run the experiment I'm doing, but you need new tires. This set (bought the same as I had). These I'm running 1# under the max load pressure for each tire. See if that cures the cupping more or less.......


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"It's a motorcycle, it´s not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you s**t your pants every now and then."
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post #10 of 10 (permalink) Old 08-25-2019, 11:55 AM
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Tires watch that air pressure like a hawk...... I thought for sure was wheel bearings...wasnt
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