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Jruby38
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« on: January 05, 2017, 12:53:59 PM » |
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I want to replace my front Avon tire that is cupped with with lots of tread left . Anyone know of a tire brand that does not cup?
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Bone
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« Reply #2 on: January 05, 2017, 01:06:25 PM » |
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Daniel Meyer
Member
Posts: 5492
Author. Adventurer. Electrician.
The State of confusion.
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« Reply #3 on: January 05, 2017, 01:11:25 PM » |
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I run an avon front and keep the pressure at 40-44 psi. I usually get no cupping and 15k miles or so out of them (when I don't tear them up prematurely by inserting large, foreign objects in them).
I think I'm on tire #18 or so up front...
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« Last Edit: January 05, 2017, 01:13:28 PM by Daniel Meyer »
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CUAgain, Daniel Meyer  |
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Jruby38
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« Reply #4 on: January 05, 2017, 01:28:21 PM » |
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40 to 42 psi. Got to check them often, the alloys lose air pressure.
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98valk
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« Reply #5 on: January 05, 2017, 02:44:43 PM » |
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I posted last month, dunlop states on their website that cupping, actually scalloping is caused the most by braking too hard and too late.
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« Last Edit: January 05, 2017, 07:48:09 PM by 98valk (aka CA) »
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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sandy
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« Reply #6 on: January 05, 2017, 06:30:42 PM » |
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Avon Cobras. 42F and 46R with no cupping. All tires will cup if they're run too low.
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Jruby38
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« Reply #7 on: January 06, 2017, 01:44:18 PM » |
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What about balance? I have been using dyna beads and they seem to balance, but could they contribute to cupping?
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sandy
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« Reply #8 on: January 06, 2017, 04:12:28 PM » |
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I've never used anything but computer spin balance. Never cupped and never had vibration issues.
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« Reply #9 on: January 06, 2017, 06:19:38 PM » |
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I want to replace my front Avon tire that is cupped with with lots of tread left . Anyone know of a tire brand that does not cup?
Do you have metal valve stems? That can help maintain correct pressure for a tad longer than the OEM. |
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The emperor has no clothes
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« Reply #10 on: January 06, 2017, 07:57:39 PM » |
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What about balance? I have been using dyna beads and they seem to balance, but could they contribute to cupping?
I have been using beads for a while now with no cupping issues. Maybe check your tire gauge against another gauge. |
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Bone
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« Reply #11 on: January 07, 2017, 01:41:41 AM » |
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Got to check them often, the alloys lose air pressure. When you change this tire make sure the rim is clean and smooth. Mounted a new front this past spring and mine seldom changed more than 1lb. |
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flash2002
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« Reply #12 on: January 07, 2017, 03:53:13 AM » |
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What about balance? I have been using dyna beads and they seem to balance, but could they contribute to cupping?
I have been using beads for a while now with no cupping issues. Maybe check your tire gauge against another gauge. I use Dyna Beads on all my bikes and never had a problem with cupping or tire out of round. |
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98valk
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« Reply #13 on: January 07, 2017, 04:54:40 AM » |
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40 to 42 psi. Got to check them often, the alloys lose air pressure.
http://www.motorcycleclassics.com/Blogs/Richard/An-Easy-Way-To-Ruin-Your-Tires This corrosion usually forms after a tire is lubricated with soapy water. Apparently, the soap in the soapy water had enough sodium hydroxide (the stuff that makes soap slippery) to corrode the alloy rims that are used on later model Gold Wings. Parts of the rim were also pitted right where the bead contacts the inside of the rim. If you ever get a chance, look at the ingredients on a can of Drano or Sani-Flush. You'll find that products such as Drano contain sodium hydroxide, also known as lye. Sprinkle some Drano into an empty aluminum foil pie pan. Then sprinkle some water into the pan and watch the bottom of the aluminum pan literally evaporate, leaving a grayish white powder behind. A similar, but less severe chemical reaction takes place when soapy water is used as a lubricant for tire mounting and dismounting. http://www.randakksblog.com/easy-method-to-ruin-your-wheels/#more-1132I finally found a product that will ease the mounting and dismounting of a motorcycle tire. This product also acts as a sealant. The product is known as a protectant. Two brand names of such protectants are STP Son-Of-A Gun and Armor-All Protectant. These products are used exclusively in my shop, and they can be purchased at most auto parts stores and discount store automotive departments. |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Jruby38
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« Reply #14 on: January 07, 2017, 05:04:28 AM » |
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I have patchboy metal stems, but I bring my tire and wheel to a shop to get mounted. They use dynabeads, but I don't know what they use for mounting lub. I don't know if my rims are pitted.
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chris1998
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« Reply #15 on: January 09, 2017, 02:30:56 PM » |
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I had the same problem with my Metzeler tires. I used them for years and kept the psi at factory recommended 33f/33r or 33f/36r with passenger. During my cross country trip last summer they went bad. I replaced with Dunlops and I am keeping the psi at 40 front and rear. (Shop tech recommended.) Much less wear and absolutely no cupping.
Good luck.
Chris
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Bighead
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« Reply #16 on: January 09, 2017, 02:38:10 PM » |
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I had the same problem with my Metzeler tires. I used them for years and kept the psi at factory recommended 33f/33r or 33f/36r with passenger. During my cross country trip last summer they went bad. I replaced with Dunlops and I am keeping the psi at 40 front and rear. (Shop tech recommended.) Much less wear and absolutely no cupping.
Good luck.
Chris
Try bumping the front to 42 and the rear to 44. It will be even better  |
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1997 Bumble Bee
1999 Interstate (sold)
2016 Wing
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98valk
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« Reply #17 on: January 09, 2017, 05:01:10 PM » |
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I have patchboy metal stems, but I bring my tire and wheel to a shop to get mounted. They use dynabeads, but I don't know what they use for mounting lub. I don't know if my rims are pitted.
I bring my own product and tell them to use it. some of the so-called safe lubes still have the sodium hydroxide and some don't. such as this product http://www.tireslick.com/ see MSDS |
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Logged
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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