Bike weight

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  • Rob S.
    Forum Guru
    Past Site Supporter
    • Dec 2013
    • 9488
    • New York City

    #1

    Bike weight

    I know it's possible to calculate a vehicles weight with the tire pressure and contact patch, but has anybody put a bathroom scale under the front tire and then the rear?

    I have a thin digital scale I'm thinking of trying that with. Don't worry, it's an American scale - it's just getting warmed up at 250!
    1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

    2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.
  • Big Rich

    #2
    I've done the bathroom scale thing. You have to make sure the opposite wheel is on a piece of wood or something to get an accurate measurement though (so the entire bike is level when on the scale).

    Great way to get a curb weight of the bike, but remember your weight geared up is distributed differently on each wheel too.

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    • Rob S.
      Forum Guru
      Past Site Supporter
      • Dec 2013
      • 9488
      • New York City

      #3
      Originally posted by Big Rich
      (so the entire bike is level when on the scale).
      I was thinking about doing it in two steps - front and back. From what I remember from my old truck driving days, that's how the police with portable scales at weigh stations did it.
      1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

      2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

      Comment

      • Big Rich

        #4
        Yeah, that's what I meant. Front wheel is on the scale / rear wheel is on a piece of wood, and vice versa.

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        • Guest

          #5
          Originally posted by Rob S.
          I was thinking about doing it in two steps - front and back. From what I remember from my old truck driving days, that's how the police with portable scales at weigh stations did it.
          That's correct, but Big Rich is just suggesting you use a block of wood under the opposite end to keep the bike level. It affects your results a bit if you just tilt the bike to put the scale under each wheel.


          Mark

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          • Guest

            #6


            If you know anyone who has racecar scales you can weigh it like I did mine.

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            • Rob S.
              Forum Guru
              Past Site Supporter
              • Dec 2013
              • 9488
              • New York City

              #7
              Originally posted by mmattockx
              That's correct, but Big Rich is just suggesting you use a block of wood under the opposite end to keep the bike level. It affects your results a bit if you just tilt the bike to put the scale under each wheel.


              Mark
              Now I understand. Thanks.

              Akckhim - how many pounds?
              Last edited by Rob S.; 07-20-2014, 03:09 AM.
              1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

              2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

              Comment

              • Guest

                #8
                465 pounds

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                • Guest

                  #9
                  Originally posted by akckhim
                  465 pounds
                  That is really light, how much did you save with the GSXR engine and suspension components?


                  Mark

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                  • Rob S.
                    Forum Guru
                    Past Site Supporter
                    • Dec 2013
                    • 9488
                    • New York City

                    #10
                    Forgot about the side stand.

                    So will I have to weigh it at three points?
                    1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

                    2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

                    Comment

                    • Guest

                      #11
                      Originally posted by Rob S.
                      Forgot about the side stand.

                      So will I have to weigh it at three points?
                      No, just balance it upright on the wheels with as light a touch as you can manage. That way you get the front/rear split and the total. If you can get the same numbers with you on the bike (have a buddy balance the bike while you sit in your standard riding position with gear on) that would be great to know as well.


                      Mark

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                      • Guest

                        #12
                        Stock weight for this bike was 504 dry so at least 40lbs lighter. Here is a good comparison my 94 gsxr1100w has a stock dry weight of 509lbs. A 2014 gsxr1000 has a curb weight of 448lbs a Hyabusa is 550lbs dry. So yes its fairly light, and im happy with that.

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