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Twofest
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« on: June 20, 2022, 04:14:29 PM » |
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Hey guys new to the forum. I have a Bute of a 1998 Valk that I have cleaned up and put a 205/65 on. Did the nut cage and "adjusted" the nut for extra insurance. Yesterday I had no rubbing running 36lbs in it and ran great. Today added mu daughter (135lb) and I smelled rubber so we came back home. Found tire had rubbed on the swing arm. A little shavings on the driveline tube. Any ideas as to if increasing pressure would prevent tire from contacting when I have a passenger? What pressures are others running? Can the wheel be shimmed over a fraction with another thrust washer on the hub?
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« Last Edit: June 20, 2022, 04:22:59 PM by Twofest »
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Jess from VA
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« Reply #1 on: June 20, 2022, 04:49:29 PM » |
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Adding air will decrease chances of rubbing (and visa versa).
You can go up to the MAX PSI printed on the sidewall (often 42-4). This is on a cold tire, and it doesn't matter if it goes over MAX PSI when hot.
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Twofest
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« Reply #2 on: June 20, 2022, 07:38:18 PM » |
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Thanks that is what I was thinking as well.
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Jess from VA
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« Reply #3 on: June 21, 2022, 02:31:33 AM » |
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Adding air can also lead to more center wear, but with car tires there's still lots of good miles, and it's better than sidewall wear. I run my car tires at 40, do get mild center wear but still great longevity, and I like the handling better at 40 than lower. But all car tires are not the same.
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Twofest
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« Reply #4 on: June 21, 2022, 01:02:27 PM » |
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I have a kumho Solus and put it up to 46 (max 55 cold) and rode back to work after lunch. It looks like now it rubbing with just me on.... do I need to go to a 195? What size cts are people using? I really like the drop in rpms with the 205.
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« Last Edit: June 21, 2022, 01:05:33 PM by Twofest »
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Jess from VA
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« Reply #5 on: June 21, 2022, 01:06:02 PM » |
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A 65 fits many bikes without rubbing. It's probably your 65 (and maybe your bike; every Valkyrie did not come out of the frame assembly jig identically). You can go to 195 if you want.
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Valker
Member
Posts: 2995
Wahoo!!!!
Texas Panhandle
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« Reply #6 on: June 21, 2022, 01:07:16 PM » |
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I run 205/65s. No rubbing. Are you 100%sure it is touching the swing arm or are you assuming?
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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Twofest
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« Reply #7 on: June 21, 2022, 01:07:49 PM » |
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Still a 65 series for a 195?
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Twofest
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« Reply #8 on: June 21, 2022, 01:23:03 PM » |
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I can't get a picture to upload from my phone but on the side stand there is about 1/8" tire to driveshaft tube. There was a pile of rubber shavings on the swing arm tube the other day.
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Valker
Member
Posts: 2995
Wahoo!!!!
Texas Panhandle
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« Reply #9 on: June 21, 2022, 01:36:57 PM » |
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I can't get a picture to upload from my phone but on the side stand there is about 1/8" tire to driveshaft tube. There was a pile of rubber shavings on the swing arm tube the other day.
If a business card, drivers license, etc will slide between the tire and swing arm, they’ll never rub. Check for rub spots under the fender. Some folks have had to use a carriage bolt run from under the fender out to near the bags to prevent the rubbing from the nut cage bolt. |
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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Twofest
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« Reply #10 on: June 21, 2022, 03:33:55 PM » |
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I'll keep looking at it. I am starting to wonder if the Kumho Solus is too soft and sidewall flexes too much?
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Valker
Member
Posts: 2995
Wahoo!!!!
Texas Panhandle
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« Reply #11 on: June 21, 2022, 03:36:34 PM » |
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It can and will ONLY flex at the bottom. As I said, I run the 205/65 and I only run 26-28psi.
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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Twofest
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« Reply #12 on: June 21, 2022, 04:04:36 PM » |
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Wow that seems like low pressure. Maybe I will try lowering psi next.
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Rio Wil
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« Reply #13 on: June 21, 2022, 06:40:51 PM » |
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If you have a 1/8 clearance at the swingarm and its rubbing there you might want to look at bad wheel bearings.......or the shaving are coming from somewhere else. I have had 5 Pirelli 205-65-16's (P5) and each with about a credit cards clearance and never once rubbed.
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0leman
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« Reply #14 on: June 22, 2022, 07:54:28 AM » |
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I'll keep looking at it. I am starting to wonder if the Kumho Solus is too soft and sidewall flexes too much?
I ran one of these tires at 30lbs, 65 series. I didn't get any rubbing. I had removed the nut guard previously. Was a bit disappointed in the number of miles before had to replace it |
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2006 Shadow Spirit 1100 gone but not forgotten
1999 Valkryie I/S Green/Silver
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old2soon
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« Reply #15 on: June 22, 2022, 03:20:02 PM » |
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205 65 16 and 32 34 P S I and no/none/nada rubbing. I have 2 or 3 credit card thickness's for clearance side wall swing arm. Was the rear wheel installed in The Correct Proper SEQUENCE? Also look on the rubbing side inside fender for newer shiny spots. And I've had a few different brands of 205 65 16s back there and NOT one of them rubbed! RIDE SAFE.
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Today is the tommorow you worried about yesterday. If at first you don't succeed screw it-save it for nite check. 1964 1968 U S Navy. Two cruises off Nam.
VRCCDS0240 2012 GL1800 Gold Wing Motor Trike conversion
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Twofest
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« Reply #16 on: June 24, 2022, 11:45:34 PM » |
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So had the chance to tear into it completely and it was the fender nut with wear on it so I made it thinner and am waitingfor paint to dry to do another test in the morning... I still don't know how the pile of shavings ended up on the swing arm causing me to focus on the wrong area. Thanks for the ideas everyone and getting me to refocus back there.
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old2soon
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« Reply #17 on: June 25, 2022, 10:08:14 AM » |
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So had the chance to tear into it completely and it was the fender nut with wear on it so I made it thinner and am waitingfor paint to dry to do another test in the morning... I still don't know how the pile of shavings ended up on the swing arm causing me to focus on the wrong area. Thanks for the ideas everyone and getting me to refocus back there.
Turn it around nut on the outside. Acorn nuts Will dress it up! Yer welcome! RIDE SAFE. |
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Today is the tommorow you worried about yesterday. If at first you don't succeed screw it-save it for nite check. 1964 1968 U S Navy. Two cruises off Nam.
VRCCDS0240 2012 GL1800 Gold Wing Motor Trike conversion
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Jess from VA
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« Reply #18 on: June 25, 2022, 10:39:18 AM » |
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So had the chance to tear into it completely and it was the fender nut with wear on it so I made it thinner and am waitingfor paint to dry to do another test in the morning... I still don't know how the pile of shavings ended up on the swing arm causing me to focus on the wrong area. Thanks for the ideas everyone and getting me to refocus back there.
The fender nut (sidewall) shavings probably got thrown down onto the swing-arm by the spinning tire and wind. |
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DeathWishBikerDude
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« Reply #19 on: June 25, 2022, 08:43:46 PM » |
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I don't remember when I last checked the pressure.
I add air until the tire feels stiff.
If I run under 35 psi the ride is poor.
I've had my dark side current tire for 5 years and see no abnormal wear.
Been running dark side tires for 20 years.
Experiment with different pressures until you like the ride quality.
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