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  • Sport Scout Wheels

    Preparing to lace Sport Scout front and rear wheels. Do any of you know the rim offset from the drum flange on a 1936 - 1939 Sport Scout? Thank You!

  • #2
    I found this in the notes I got with my '41 SS:

    1940 SS 18"rims front 1.125" offset, from drum face, to edge of rim
    1940 SS 18"rims rear 1.500" offset, from drum face, to edge of rim
    1942 SS 16"rims front .750" offset, from drum face, to edge of rim
    1942 SS 16"rims rear 1.125" offset, from drum face, to edge of rim

    I assume the 18" rim offsets for the 1940 SS would be the same for the earlier Sport Scout models, (that is just an assumption), as are the figures I posted. I would like to see verification of these dimensions, AND, the offset for '41-42 Sport Scouts with 18" rims.

    I've laced and trued countless wheels, and worst case, you true the wheels in the fork and frame. Ultimately the wheel and tire need to be centered to the fender mounts (math involved), and frames, and forks need to be true. Fenders can be all screwed up so based on what you're working with, compromises may be necessary. Factory numbers are a good base-line but adjustments may be needed for an 80 year old motorcycle.
    Eric Smith
    AMCA #886

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    • #3
      Exeric, Thank You, for your reply. The 40 SS dimensions you posted are verified in the “Operation and Maintenance” manual for Model 640-B. However the 40 SS rear frame is 2” wider then a 35 SS rear frame. I’m making the assumption that 35-39 are the same width. I know nothing about the 41 - 42 SS, but the 40 SS is 10 /2” between the rear frame castings if that is any help to you. Thank You, again.

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      • #4
        I guess the 1940 SS would be different than any SS before, or after You have to wonder who made the decisions at Indian when it came to the Sport Scout. They had a winning bike that should have been a money making hit; but too many cooks in the kitchen. Thanks for your insight, rusty.
        Eric Smith
        AMCA #886

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