Author Topic: Weird Wobble  (Read 548 times)

Brik

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Weird Wobble
« on: June 13, 2017, 04:18:28 PM »
Here is my story, documenting for the net

I picked up a nail in the read tire of the scoot. It was sort of holding air though. I topped it off and drive to the closest dealer open. That dealer had tire patching capabilities, tubes and a new tire in stock and were willing to help while I waited!

I drove the scoot over, I added air 2x in the 30 mile or so ride. The scoot handled perfectly and air pressure was never below 15-20 or so.

I opted for a tire plug. The mechanic remove the nail plugged the tire and I went on my way. I got about 25 miles and the rear tire went flat, my handlebars started to wobble due to the flat (Going about 65 mph). I was less than 1/4 mile from a place with air so stopped there (versus side of the road). I added air but it wouldn't hold. Air went out almost as fast as I added it. :(

I called my daughter to come get me in my pickup truck. We loaded up the scoot and returned to the shop. They put in a tube for me while I waited. I got maybe 20 feet before noticing wobble! I returned to the shop and the mechanic felt it too. They were getting towards the end of the day. They tried checking air pressures but that wasn't the issue. He ran it up on the center stand and it seemed to me that something in the rear was out of round or not aligned correctly. They tried to add "Balancing Beads" to the tube but that didn't help.

I ended up leaving the scoot with them.

I don't know what the issue is yet. Any guesses?

My guesses
1) I Fd the rear tire when it went flat at 65mph
2) Something not assembled correctly when wheel went back on
3) I Fd the rim when the tire went flat
4) tire not balanced

Other ideas? Hopefully I get a good news call from the shop and it wont cost me more $$.

MJR

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Re: Weird Wobble
« Reply #1 on: June 13, 2017, 04:26:49 PM »
If you have a tubeless tire and it went flat at speed it is likely damaged, Replace it and if it was flat while riding the rim could be damaged as well but you should see that spinning it or from rash.
« Last Edit: June 13, 2017, 04:28:49 PM by MJR »
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Redk

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Re: Weird Wobble
« Reply #2 on: June 13, 2017, 05:13:53 PM »
Yes, it could be a damaged carcass.
Not safe.
Replace the tire after close visual inspection of all other rotating components on that axle.

Tire plugs are really not a good option, unless you must...  such as when far out in the boonies and pick up a nail...

I would be suspect of that shop.
Since you were there, they should have done nothing less than a patch for the first fix.
redk

Brik

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Re: Weird Wobble
« Reply #3 on: June 13, 2017, 06:03:39 PM »
Yeah - Final verdict - Tire was FUBAR - New tire installed. I'll assume all is good, I'll report back here (And insist on fix of course) if wobble still exists.

Mr. Paul

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Re: Weird Wobble
« Reply #4 on: June 13, 2017, 10:33:07 PM »
Yeah - Final verdict - Tire was FUBAR - New tire installed. I'll assume all is good, I'll report back here (And insist on fix of course) if wobble still exists.





Thanks for the update Brik.
2009 Kymco People 150
1993 Honda Helix

Redk

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Re: Weird Wobble
« Reply #5 on: June 14, 2017, 07:54:25 AM »
Glad to hear you got a safe new tire !
Better that way.


If I get a chance I'll dig out the pic of a Motobecane I bought from a college student...  Front tire had a split carcass showing much cord and a boot inside that !   ...Kids !
redk

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