Vibration when turning to the left


Information and questions on GL1500 Goldwings (1988-2000)
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Gbrown4024
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Vibration when turning to the left

Postby Gbrown4024 » Wed Jul 18, 2012 2:03 pm



Hello Everyone,

I have been riding my fathers 1989 GL 1500, it has 63,000 miles on it. When I first started using it it was in need of a front tire so I put one on. Dunlop K177F I believe and it matches the rear which was done last year. I noticed that when traveling down the road at lets say 45-50 mph there is a slight vibration as you move to the left like changing lanes. It does not do it when you move to the right or when going straight. I had a feeling it was a bad wheel bearing so I replaced them yesterday. Upon inspection I found the right bearing to have clear grease in it and the bearing spun smoothly. The left bearing also spun smoothly but the clear grease was more of a gold to light brown color which led me to believe I was on the right track. I road the bike this morning and the vibration is still there. What do you think?

Thanks...Greg



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virgilmobile
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Re: Vibration when turning to the left

Postby virgilmobile » Wed Jul 18, 2012 2:25 pm

Sounds like your on the right track.how bout the rear wheel?If the front one was questionable the rear may also be.
Is there any cupping on the rear tire?

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virgilmobile
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Re: Vibration when turning to the left

Postby virgilmobile » Wed Jul 18, 2012 2:29 pm

Also,is the vibration only in the grips or can you feel it in the whole bike?

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Gbrown4024
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Re: Vibration when turning to the left

Postby Gbrown4024 » Wed Jul 18, 2012 2:33 pm

Thanks for getting in on this. I just went out and looked at it and yes, aahhhh! the rear tire is cupping. So I guess the next step would be to do the rear wheel bearings before the tire is junk! I am not looking forward to that. Thanks again...Greg

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virgilmobile
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Re: Vibration when turning to the left

Postby virgilmobile » Wed Jul 18, 2012 3:29 pm

It's not all that bad,but you will spend a half a day mucking about.
While your on your knees,ya might just as well pull the differential off and grease up the drive shaft coupler.
It can be tedious getting it lined back up.I think I had to diddle with mine a half hour before it just decided to slide right back on.
I also removed the lead weights and put in Dyna Beads for a perfect tire balance.It may have stopped the cupping,the bearing might be OK.
If you can't get them local,Go to ..checkeredflagmobiletires.com and order them.I called him at 938.255.5540 he returned my call and sent me a invoice by e-mail that I payed by PayPal.
I needed 4@ 2oz packages for 2 bikes.
I ordered 5 packages.I paid $17 to get it to my door in 4 days.

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Gbrown4024
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Re: Vibration when turning to the left

Postby Gbrown4024 » Wed Jul 18, 2012 3:36 pm

I will look into the dyna beads. As for the vibration I would have to say I feel it through the whole bike and most noticeable in the floor boards.

Greg

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dingdong
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Re: Vibration when turning to the left

Postby dingdong » Thu Jul 19, 2012 8:46 am

Replacing the rear tire will most likely stop the vibration. However in another 3 or 4 thousand miles it will probably start cupping again. If the wheel bearings turns smooth replacing them won't help anything except piece of mind. Go ahead and do your maintenance but it isn't likely to help with this problem. I went through exactly what you are and with all the maintenance I have done on my 1500 the tires still cup and the rear always develops a vibration on left turns because of it. The most effective thing you can do is keep the air pressure up to 42 or above lbs.

Read this. Scroll down for cupping but the entire article is informative. http://www.rattlebars.com/tirewear/index.html
Tom

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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Re: Vibration when turning to the left

Postby virgilmobile » Thu Jul 19, 2012 12:28 pm

I haven't read the article yet but something comes to mind.I wonder if the cupping is a ccombination of air pressure,tire balance and that the bike has a standard shock on one side and the air suspension on the right.?

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Re: Vibration when turning to the left

Postby virgilmobile » Thu Jul 19, 2012 12:39 pm

So by what I read,in a nutshell, the previous owner makes more right hand turns than left ones and the cupping is normal.Makes sense to me .
I learned something new today.
Don't tell him...he needs to grease the drive shaft coupler anyways :mrgreen:

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Gbrown4024
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Re: Vibration when turning to the left

Postby Gbrown4024 » Thu Jul 19, 2012 2:19 pm

That article makes perfect sense and I am so glad to hear it. I will check the air pressure and get it to at least 42 lbs. Thanks again for all the help from everyone.

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robb
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Re: Vibration when turning to the left

Postby robb » Thu Jul 19, 2012 3:08 pm

Gbrown4024 wrote:Hello Everyone,

Upon inspection I found the right bearing to have clear grease in it and the bearing spun smoothly. The left bearing also spun smoothly but the clear grease was more of a gold to light brown color which led me to believe I was on the right track. I road the bike this morning and the vibration is still there. What do you think?

Thanks...Greg


Could be the gold color in bearing grease was from moisture affecting the steel balls. Did you pull back rubber from bearings to inspect or were they loose already, if so I'd replace. Most bearings will rear their head when in a turn where the load is at its highest.

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Gbrown4024
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Re: Vibration when turning to the left

Postby Gbrown4024 » Thu Jul 19, 2012 3:18 pm

I replaced them, they were sealed on the outside but open on the inside, the new ones were sealed on both sides. There was no evidence of moisture anywhere. Either way as I said I already had the new bearings and seals so they are in.

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dingdong
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Re: Vibration when turning to the left

Postby dingdong » Thu Jul 19, 2012 3:47 pm

virgilmobile wrote:I haven't read the article yet but something comes to mind.I wonder if the cupping is a ccombination of air pressure,tire balance and that the bike has a standard shock on one side and the air suspension on the right.?


Could be I suppose. Makes me wonder. ??? My gl1000 tires exhibit no cupping what so ever. The set on now has about 15k miles on them. They are Dunlop E2s but they have an entirely different tread pattern.
Tom

A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed.

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virgilmobile
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Re: Vibration when turning to the left

Postby virgilmobile » Thu Jul 19, 2012 4:27 pm

Before I got my Tom Tom....I only made right hand turns...That way I would always be able to get back home without asking for directions. ;)
Now days I'm not scared to make the left ones too.There is more to see when you can turn left once in a while and the added benefit is more even cupping on the tires.Now it buzzes turning either way. :D

I just love my Tom Tom.

Sorry,I just had one of those moments.I'll get some more coffee now. :roll:

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Re: Vibration when turning to the left

Postby bustedwing » Thu Jul 19, 2012 6:17 pm

While you have that rear tire off is a good time to check the swingarm bushings. By the way Virge, have you been skipping your meds again?
Proud member Patriot Guard

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virgilmobile
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Re: Vibration when turning to the left

Postby virgilmobile » Thu Jul 19, 2012 7:13 pm

I was hoping nobody would notice. :o
Promise, I'll start right away.


What were we talking about :?:

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Gbrown4024
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Re: Vibration when turning to the left

Postby Gbrown4024 » Sat Jul 21, 2012 10:49 am

Had to work today for one of my employees, so I took advantage of the AC in my parts room and put a fresh coat of wax on the bike!
Attachments
Might even increase the gas mileage...
Might even increase the gas mileage...

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virgilmobile
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Re: Vibration when turning to the left

Postby virgilmobile » Sat Jul 21, 2012 12:39 pm

In a contest here,I won a bottle of wax hand picked by the Admin himself.
Not only was I surprised I won but the HondaGlare Professional Polish I got is absolutely the finest and easiest stuff to use.
It made the finish look wet.it's really that good

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Re: Vibration when turning to the left

Postby zamboni920 » Sun Jul 22, 2012 10:49 pm

You know.....if you want to improve your gasmilage.....wax is only one way to go.....
Go to your local autopart store and check out the fuel additives.....they all gives you a percentage of increased fuel economy to be had...... Put a dozen or so in your shopping cart and add them to your bike next fill-up....all of them.....
Your bike will be producing fuel as you drive.....imagine a combined fuel economy increase of , say, 140 percent :D

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Re: Vibration when turning to the left

Postby robb » Mon Jul 23, 2012 10:48 am

I have a local station that sells pure gas and can easily average 45-50 mpg using it. When not avaliable I use about 2 oz seafoam to tank and still get mid 40's. On a regular basis Marvel Mystery Oil is added to oil and fuel. We own 6 vehicles with more than quarter million miles and I have to blame it on something.

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Re: Vibration when turning to the left

Postby WingAdmin » Mon Jul 23, 2012 3:48 pm

virgilmobile wrote:In a contest here,I won a bottle of wax hand picked by the Admin himself.
Not only was I surprised I won but the HondaGlare Professional Polish I got is absolutely the finest and easiest stuff to use.
It made the finish look wet.it's really that good


It really is, isn't it? And it lasts forEVER. I used it on my truck as well. It leaves just a fantastic finish.

bernasj
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Re: Vibration when turning to the left

Postby bernasj » Fri Aug 17, 2012 4:28 pm

dingdong wrote:Replacing the rear tire will most likely stop the vibration. However in another 3 or 4 thousand miles it will probably start cupping again. If the wheel bearings turns smooth replacing them won't help anything except piece of mind. Go ahead and do your maintenance but it isn't likely to help with this problem. I went through exactly what you are and with all the maintenance I have done on my 1500 the tires still cup and the rear always develops a vibration on left turns because of it. The most effective thing you can do is keep the air pressure up to 42 or above lbs.

Read this. Scroll down for cupping but the entire article is informative. http://www.rattlebars.com/tirewear/index.html


A most comprehensive article. Staying on top of the maintenance as you do, I think my next step will be to increase the clockwise movement of the vol button. Thanks.




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