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  • Tire ??????????

    Tire question

    I have a brand new (well, never been used) 130/90/16 tire but it says "For Front Use Only". I'm wondering if I could get away with using it on the rear.



    Greg

    Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

    ― Albert Einstein

    80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

    The list changes.

  • #2
    Will it still be on there when you're riding the mountains of TN/NC? I don't think I'd be willing to go there.
    Marty (in Mississippi)
    XS1100SG
    XS650SK
    XS650SH
    XS650G
    XS6502F
    XS650E

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    • #3
      Tire

      I'm thinking that a call/email to Dunlop and/or a Dunlop supplier to ask this question might be your best option. That's what I would do. Tire's age may come into play?

      Mike
      1981 XS1100H Venturer
      K&N Air Filter
      ACCT
      Custom Paint by Deitz
      Geezer Rectifier/Regulator
      Chacal Stainless Steel Braided Brake Lines
      Chrome Front Rotor & Caliper Covers
      Stebel Nautilus Horn
      EBC Front Rotors
      Limie Accent Moves On In 2015

      Mike

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      • #4
        Originally posted by MPittma100 View Post
        I'm thinking that a call/email to Dunlop and/or a Dunlop supplier to ask this question might be your best option. That's what I would do. Tire's age may come into play?

        Mike
        Looks to be an IRC. Date code may be deciding factor.
        81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

        Comment


        • #5
          Hey Greg,

          This is all that's on their site( www.irc-tire.com ) regarding safety information??

          When you choose new IRC motorcycle tires, make sure they are the right fit for your motorcycle.

          Double check the size and intended usage and make sure you have made the right selection.

          TIRE MOUNTING

          IRC recommends you permit only specially trained persons to mount your tires. Improper mounting can damage the tire and your motorcycle, and could cause serious injury.

          Only mount front tires on the front and rear tires on the rear of your motorcycle.
          Your photos don't say what MODEL it is, but I found in their cruiser section the GS-23 in the 130/90-16 FRONT style.

          Due to their high performance and high rigidity, the GS-23s are original equipment on the SUZUKI VL800 VOLUSIA and VZ800.
          As to the Front/Rear situation, it's probably due to the tread patterns, the front being designed for the heavy braking stress pushing against the tread patch in a rearward direction, whereas with the rear tire the accel stress pushes against the tread in a forward direction of stress...and only rearward during decel, engine and regular braking ?!

          T.C.
          T. C. Gresham
          81SH "Godzilla" . . .1179cc super-rat.
          79SF "The Teacher" . . .basket case!
          History shows again and again,
          How nature points out the folly of men!

          Comment


          • #6
            Two things I'd look at; one, is the load rating adequate? Front tires for bikes are designed differently, and the load at the front is generally less. The OEM rear load rating was 650 lbs, so you want to see at least that amount. Second, I've been told that if you do run a front on the back (or vice versa), turn the tire the other way or opposite the marked rotation. This because the tires are supposedly optimized for traction in one direction; the front for braking, the rear for traction (rear braking is less important).

            The tire age IMO isn't major factor if the tire has been stored properly. Those 'magic' expiration dates are for tires that have been in 'normal' use and exposed to environmental conditions. But of course, YMMV...
            Fast, Cheap, Reliable... Pick any two

            '78E original owner - resto project
            '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
            '82 XJ rebuild project
            '80SG restified, red SOLD
            '79F parts...
            '81H more parts...

            Other current bikes:
            '93 XL1200 Anniversary Sportster 85RWHP
            '86 XL883/1200 Chopper
            '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
            Cage: '13 Mustang GT/CS with a few 'custom' touches
            Yep, can't leave nuthin' alone...

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            • #7
              If it were me, I would buy a new one, they aren't that much. I would think that putting a front on back may not be able to take the weight of the bike plus rider.
              Jeff
              77 XS750 2D completely stock
              79 SF XS1100 "Picky" stock with harley mufflers

              Comment


              • #8
                Yeah, I would just use it around home. I really hate to let a new tire just sit and rot.
                Greg

                Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

                ― Albert Einstein

                80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

                The list changes.

                Comment


                • #9
                  Giant smoky burnout

                  Instead of letting it go unused you could always take it to a local Hardley meet and do a Giant smoky burnout ...For some dimwitted reason they seem to think that is impressive!!! pour a bit of bleach under it so it really burns their eyes!!!
                  78standard,79 & 80 Specials; 2 x 650 Maxims; 4 x RD350's; yz450; 2 x Honda tlr's;2x jt1 mini.

                  Comment


                  • #10
                    Originally posted by BA80 View Post
                    Yeah, I would just use it around home. I really hate to let a new tire just sit and rot.
                    Hey Greg,

                    After reading the KNOW HOW TO READ A TIRE on the AMA site, I forgot that the tire will have it's LOAD RATING on it's sidewall along with it's born on date.

                    Interestingly, IF it's the GS-23...the IRC site says that it came in both TT tube type, and TL Tubeless formats....the TUBELESS part # is 112559. Hopefully it's say Tubeless on the sidewall?

                    The GS-23 is rated at 67H, the 67 is load of 675 lbs, the H is 130 mph max speed. Sounds strong enough to me for our bikes, but like Steve said, I would mount it with the direction arrow going backwards.

                    T.C.

                    PS, I just looked at your first photo, and there it is....Load rating 677 lbs!!
                    T. C. Gresham
                    81SH "Godzilla" . . .1179cc super-rat.
                    79SF "The Teacher" . . .basket case!
                    History shows again and again,
                    How nature points out the folly of men!

                    Comment

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