Xr250lc

Discussion in 'Some Assembly Required' started by fiep, Aug 31, 2011.

  1. fiep

    fiep Long timer

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    after reading "JTH's HD 883 Dual Sport'ster conversion" I felt very small, very clumsy and very cheap *sigh*
    but maybe my project can at least amuse some of you

    I had an XR250R since 98, I love that bike
    but for buzzing around town in Atlanta summer and stop'n'go traffic?
    no way on an aircooled bike

    so when I ran into a run down, unloved, non working NX250 with no title
    I thought that was the one to restore and bought without ever even sitting on the bike, bad mistake!
    that thing must be built for dwarfs. the knee angle was rediculous even before I put my feet on the pegs.
    so I started parting it out, until I had the engine laying on the work bench,
    it looked an awful lot like an XR250, the pre 96 oilsump engine
    and I had an idea

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    and started looking
    found one nearby, non-runinng, parts missing, but cheap

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    you already know what's coming, right?
    #1
  2. Pezz_gs

    Pezz_gs Cant ride for crap

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    Great project, are your XR250's electric start?

    Be interesting to see what you use from where
    #2
  3. fiep

    fiep Long timer

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    so now I had a bare '94 XR250R frame to stare at while on the treadmill
    thinking of a way to get it tagged in Georgia
    since I just had explored every possible dead end in the state
    attempts to make registering a dirt bike impossible
    trying to get a tag for my beloved 98 XR250 ...
    no way

    the frame stayed put
    live went on
    until
    I looked at another cheap XR250, a poor piece of crap after a 16 year old backwoods redneck 'worked' on it for a year, trying to make it run

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    it turned out to be an 'L' with a messed up title
    #3
  4. fiep

    fiep Long timer

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    my very first action was to find someone willing to help fix the paperwork
    and then I registered the blue fragment

    now, with an XR and an NX engine on the workbench we started eyeballing
    the frames are totally different,
    of the NXs 5 motor mounts not one fits the XR frame
    but grinding 15mm off the engine and cutting away the rear left mount in the XR-L frame lets us set the engine in the frame
    making the mounts fit now is only a matter of phantasy and persistance

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    and that is where the problems started
    #4
  5. fiep

    fiep Long timer

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    where other people start with nice clean, new parts I was blessed with filthy, worn, bent, ...
    but that is another story


    the NX intake manifold does not fit the XR carb,
    the XR manifold does not fit the NX
    it also lacks the sensors
    the NX manifold angles the carb right into the XR frame
    *sigh*

    OK, my daddy was a carpenter
    what would he do?
    carve!

    literally!

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    #5
  6. madart

    madart Adventurer

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    I want more !! :dg
    #6
  7. never2old4fun

    never2old4fun Been here awhile

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    Joliet, Illinois
    Good project, keep the pictures coming:clap.
    #7
  8. fiep

    fiep Long timer

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    header does fit

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    #8
  9. fiep

    fiep Long timer

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    ratiator gets the original bottom mount off the XX frame
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    #9
  10. fiep

    fiep Long timer

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    motormounts

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    the weld for this one will turn out to be in the way later

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    #10
  11. fiep

    fiep Long timer

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    no surprise, the XR-L tank no longer fits
    XR650R tank does not fit either
    NX fits relatively well, so cut stock mouts from the NX frame,
    fry them to the XR frame
    and all is good
    so far

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    #11
  12. fiep

    fiep Long timer

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    the XR muffler seems a bit clogged up
    the NX muffler is in mint condition, yet, I feel some weird satisfaction,
    cutting off the connector
    100 small details consume a lot of time

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    in the meantime I keep cleaning bits and pieces
    horrible, how filthy everything is to start with

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    a buddy is here, visiting,
    without his help welding or frying pieces of tin together
    I'd be totally out of luck

    one fine day,
    if/when someone finds the courage to show me the basics
    I'll (have to) give it a try, too
    #12
  13. fiep

    fiep Long timer

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    jep, I know other people use wonderful new or at least cleaned up parts
    but if you don't know what you will need, and are improvising more than planning ... you do it the other way round

    no, the forks will not stay either, it is just easier keeping the fragment upright with them in place
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    #13
  14. fiep

    fiep Long timer

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    slowly, very slowly
    piece by iece
    things fall into place

    new wheel bearings, new sprocket, new tire, the best disc of the 3 I have
    and - of course - my endless chore: de-griming


    btw I do love my wheel bearing tool
    without it I would have spent hours senselessly hammering
    with it wheel bearing flop in and out of place totally easy

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    #14
  15. DC950

    DC950 Microadventurer

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    this is really cool.
    #15
  16. Bronco638

    Bronco638 Nobody Home

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    Either you're a bachelor or you're wife is a keeper. I'm referring to the pictures of bike parts in the sink and on the counter, in the kitchen. :D

    Being an owner of an NX125 and having lust over NX250s, can you answer this question: Will the swing arm from the XRL fit on the NX frame? I see a few folks that aren't happy with the stock 17" wheel on the rear of the NX250. You can swap a mid-80s XL250 rear wheel (18") but that still leaves the drum brake. I'm wondering if the swing arm swap would work so you could get the rear disc brake as well.
    #16
  17. fiep

    fiep Long timer

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    Bronco, I will tell hubby, you said to keep me :D

    Will the swing arm from the XRL fit on the NX frame?
    sorry, don't know because I never tried
    folks that aren't happy with the stock 17" wheel on the rear of the NX250.
    not quite correct, they are unhappy with the 16"
    and swap to a 17" XL wheel, tire choice in 16" is very limited
    what don't you like about the rear drum?
    #17
  18. fiep

    fiep Long timer

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    before & after

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    the forks and parts collection 'shocks' go to the local suspension wizzard,
    back when he still worked for an elite group of customers, out of his garage and did ride trails with me ... but *sigh* he had to rent a store, quit his job and now he runs just another one of those backyard bike shops ... takes 4+ weeks and a gozillion reminder calls, and still forgets to bolt on an adjuster knob *grouch*
    das muss ich bestellen und dranschrauben *grummel*
    at least now I should have
    XR250R suspension components, shimmed to suit my riding style for forestry roads and sumo

    after Mark worked the little one's (my beloved 98 XR250) suspension
    it turned from baaad to great
    so let's hope for the best
    #18
  19. Bronco638

    Bronco638 Nobody Home

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    Ha! Well played (and I look like a sexist...:shog).
    You are correct, the XL wheel swap is 16" to 17" (my bad). I prefer the disc because it's easier to maintain and to service, IMO. I'd dearly love to put a front disc on my NX125 but no one seems to know much about the NX125 Transcity which was exported to everywhere but the US. They must be rare elsewhere, too.
    #19
  20. fiep

    fiep Long timer

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    :rofl Bronco, why would I call you a sexist? did you know I have two intact X chromosomes?

    speaking of XR swingarm ...

    ooops, never noticed tht L and R have totally different rear ends, not only the tail light but swing arm, rear wheel, linkage, brake mount and sprocket
    so and which swingarm will we use?
    and why?

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    for those who want to know:
    L has 2.15er rim, cush drive and you do not get aftermarket rear sprockets other than the stock 40t or custom
    R has 1.80er Felge, no cush and I have a stockpile of sprockets between 38 und 54 teeth, after all they fit my little XR, the CRF, the BRP, my buddies 650L ...

    both swingarms fit the L-frame
    so I did use the R components and one fine day, if I ever strike it rich ... I'll get wider, anodized rims and colored hubs
    first I need to know what color the bike will be
    for now it'll stay as-is

    anyways
    Nicky, the manager of the local Cycle Gear store, once again procrestinates, I have to call, email, call again, get on her nerves, show up in person
    eventually I have all needed parts and can replace bearings in both wheels, swingarm, linkage, shock and steering head

    man do I love the press and my special tool to remove the steering head bearings
    and of course my Dremel

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    #20