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'78 suzuki GS1000C rear tire size

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    '78 suzuki GS1000C rear tire size

    The stock size is 4.00 X 18. Slightly larger than a moped tire. I'm considering trying a 120/90x18 or a Dunlop 4.25/85H-18. I don't want to create problems with too wide a tire on the 2.15 rim, or interference with the brake caliper brace or the chain (630). Does anybody have any experience with a slightly wider rear tire?

    #2
    You are fine with a 4.25 or 120. It's only slightly larger than stock and with in reason for a 2.15 rim.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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      #3
      I've been running 120/90H18's on the rear of my 79 GS1000 for years with no operational problems. The first tire I had years back was a 110/90H18 and just mounted one of this size up for this year just to see if it feels any different.

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        #4
        Thanks Guy's!!:-D

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