Frame swap

Discussion in 'Airheads' started by oldroadie, Feb 1, 2012.

  1. oldroadie

    oldroadie Two wheel addict

    Joined:
    Feb 28, 2010
    Oddometer:
    894
    Location:
    North Alabama mountains
    I'm about to swap out the bent frame on my R75/5swb and I'm looking for advice; you know, from those of you who have made mistakes that I don't need to repeat :-)
    Already made the mistake of assuming a salvage title implied an inspected straight frame so lets not even go there...
    #1
  2. wirewrkr

    wirewrkr the thread-killer

    Joined:
    May 23, 2008
    Oddometer:
    4,293
    Location:
    HIGH desert
    Already have a frame picked out?
    It's kind of a crap shoot at this point, but pretty much any frame from 1970-1980 will be the easiest one. (except for a 79/80 R65 frame)
    For simplicity sake stick with one in those year ranges.
    For the best of the best within those ranges, the 77-80 would be the choice I would make.
    They made constant upgrades over the years.
    If you go with post 80, all kinds of things won't work, ie, electric compnents mounting brackets, cenetrstand, sidestand etc.
    R65 frames have the same previous mentioned foibles, plus the gas tank mounts are different front and back.
    I learned this one the hard way.
    In the end, the best solution is still the 77-80 NON R65 frame.
    #2
  3. oldroadie

    oldroadie Two wheel addict

    Joined:
    Feb 28, 2010
    Oddometer:
    894
    Location:
    North Alabama mountains
    [​IMG]

    This was as far as I got before I took some rake and trail measurements. I have since sourced a frame from the fine folks at Re-Psycle in Ohio and it arrived last night, a mere 1600 serial numbers newer than my motor. That should make it a fairly direct parts transfer, but I'm new to airheads and that may be way over simplified. Having backed myself into a corner by finishing a project on a duff frame I was looking for pointers on what not to do thinking I could recoup some lost time by avoiding further mistakes.
    #3
  4. bmwhacker

    bmwhacker Still on 3 wheels

    Joined:
    May 6, 2009
    Oddometer:
    4,959
    Location:
    MONTANA NATIVE from NATIVE MONTANA
    Wow...pretty cool looking "shorty".:clap
    #4
  5. oldroadie

    oldroadie Two wheel addict

    Joined:
    Feb 28, 2010
    Oddometer:
    894
    Location:
    North Alabama mountains
    Thanks, it's been a lot of fun seeing it come to this point. Now all I have to left to accomplish is re-do everything...
    #5
  6. bmwhacker

    bmwhacker Still on 3 wheels

    Joined:
    May 6, 2009
    Oddometer:
    4,959
    Location:
    MONTANA NATIVE from NATIVE MONTANA
    It looks like a perfect candidate for some "scrambler" type high pipes. I love it!
    #6
  7. supershaft

    supershaft because I can

    Joined:
    Sep 9, 2010
    Oddometer:
    9,116
    Location:
    San Francisco Bay area
    Be careful. Some people will give you some grief noticing such stuff. Remember the first couple of posts after I saw the photos?

    Here comes another tip oldroadie: Duane and some others recommend wearing the fork boots up high like that in order to save the rubber from cracking while the bike is on the center stand. They are supposed to be pulled done to the stop ridge a few inches lower so that the boots don't punch up while the bike is being ridden. Call me crazy but I consider that more important. Mounted up high like that they bunch up badly and look horrible on the road. Most importantly they bunch up thick enough to restrict fork travel by around an inch. Take you springs out and see for yourself.

    +1 on ww's frame advise.
    #7