[Skwerlee]

About 3-4 weeks ago I had a local shop put a patch/plug in my Avon 240 due to a nail. I’m running DynaBeads so the shop saved them, repaired the tire, and put the DynaBeads back in. Now when I’m going around 70mph or so and I get on the throttle I feel almost like a vibration coming from the rear end. It seems to be fine at other speeds. At first I thought it must be my imagination but I don’t recall it ever doing this before the tire repair. Could it be that the shop didn’t reinstall all of the DynaBeads? They assured me they did put them all back in. Or could it be that the weight of the patch/plug is just enough to throw the balance off to where it would require more DynaBeads that it originally did? The belt tracks fine and the wheel seems to have been reinstalled properly so it makes me think it’s a balance issue. The shop said it's possible that the patch/plug is preventing the beads from rolling around on the inside of the tire properly and they may need to use lead weights instead.

 

[toby]

I just plugged mine. No patch. Green slime. No beads. Didn't check the balance because I didn't have it of the bike. Haven't had a chance to take it past 45 mph yet.
When I do if it's off I will use beads. Sounds like the tire shop guys know what they are talking about. I would take it in and let them balance it.

 

[Skwerlee]

Well I finally had an opportunity to take the bike in to have the vibration checked out. They spun the tire on the machine with the DynaBeads in the tire and it showed off by 1.5 ounces in the same spot every time. So they left the beads in and added 1.5 ounces of weight to that spot and tested it several more times and it showed dead on every time. The shop tech said that DynaBeads just aren't quite as effective as good old-fashioned lead weights. Something about that plug patch threw it off and the beads just couldn’t keep the tire balanced. They also showed me some flat spots in the tire when they spun it by hand. I’ve only got about 1,100 miles on the Avon 240 and my bike doesn’t sit much at all. I wonder if putting a few hundred miles on the unbalanced tire was enough to create those spots? They said they didn’t think so but I'm leaning in that direction. In any event the vibration at highway speed is fixed and all is well with the universe once again.

 

[canyon1]

Maybe I'm getting old and too cautious but I can't see riding on a patched tire on a motorcycle. I had one bad experience in my younger days with a rear tire that went flat at about 65 mph ( my fault...I never checked the air pressure) and it left a quite an impression on my mind. If I crash again, I want to know it was because of operator error, not mechanical failure.

 

[Skwerlee]

Maybe I'm getting old and too cautious but I can't see riding on a patched tire on a motorcycle. I had one bad experience in my younger days with a rear tire that went flat at about 65 mph ( my fault...I never checked the air pressure) and it left a quite an impression on my mind. If I crash again, I want to know it was because of operator error, not mechanical failure.

I gave thought to this very thing. After talking with some shops they all said that these patch plugs hybrids are much better than the old stuff and they've had a lot of success with them.

 

[chrisdoug]

my last tire i had patch/plugged twice (I picked up 2 small pieces metal in a construction zone). Mine ran good as new till i wore out the tire. I hate these bridgestones!