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Thread: R75/5 main frame

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  1. #1
    stucknarut
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    R75/5 main frame

    Shopping for a new frame for my LWB R75/5. Was there any difference in the main frame on the SWB and LWB /5? Is there any way to transfer the numbers from one to the other to match the title on the first?

  2. #2
    Administrator 20774's Avatar
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    Main frame part numbers are the same...the only change was the extension of the swingarm.

    Are there VINs stamped into the frame? If so, then there's no way to remedy that. If the only place is the tag on the steering head, then you could probably transfer it. Not sure if your DMV will be looking for something like that.
    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

  3. #3
    Registered User lmo1131's Avatar
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    Main frame part numbers are the same...the only change was the extension of the swingarm.
    The sub-frame is longer too. That's why my '73 LWB has the tubular spacers (between the cross tube (under the battery)) and the front of the rear fender.
    "It is what you discover, after you know it all, that counts." _ John Wooden

    Lew Morris
    1973 R75/5 - original owner

  4. #4
    Administrator 20774's Avatar
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    Quote Originally Posted by Lmo1131 View Post
    The sub-frame is longer too.
    Well, naturally! Once the swingarm is longer, that requires everything else to grow a bit, too!!

    Lew, what about the frame markings with the VIN...can he just swap frames and the ID plate, or is there more than that?
    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

  5. #5
    stucknarut
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    Thanks guys. Sub frame and swingarm are ok, it was a front end collision. I suppose if I wanted to badly enough, I could have a good machine shop switch the necks or just the right side brace with VIN.

    As a last resort, anyone know of a way to straighten the frame?

  6. #6
    Administrator 20774's Avatar
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    Check the frame section in the Resources and Links thread for the Frameman. When people suggest frame straightening, his name usually comes up.
    Kurt -- Forum Administrator ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

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