derestricted 690 scrambler bikenstein

I have been meaning to do a bikenstein scrambler for a while but never got around to it until now. I spent an hour at lunch yesterday and today and as always with these bikensteins it is a little unresolved and could do with some more tuning really, but I dont want to waste anymore time on it. The bike would be fairly rubbish to ride if you built one too but hey, its just photoshop and there is not much else to post today.


  1. Adriaan Sinke 4 years ago

    Keep ’em coming.. :-)

    These are a great inspiration for a real life project I am working on.. Something involving a green bike, a 450 engine, a steel tube frame and a pretty dodgy road legal status. :-)
    Seriously though, it is good to see what a professional reckons can be done with a watercooled engine, since all the rest of the stuff I seem to like is air cooled wrenchmonkees stuff.

  2. Author
    admin 4 years ago

    Thanks Adriaan, there are a few others if you click on the bikenstein category at the top:
    I’m certainly not a professional bike designer though man, i just do GFX and riding gear and websites and stuff.
    Sounds like you got a cool project going too, hope to see it when it is finished!

    • Adriaan Sinke 4 years ago

      I first hope to see the project finished. :-)

  3. Don 4 years ago

    Duke Café racer, would look cooler with lick tire ;)

    • Author
      admin 4 years ago

      surely that depends on if you prefer cafe racers or scramblers man ;)

  4. swampy 4 years ago

    Hi, i think you’re wrong, i think it would ride ok, it just needs a few tweeks. would it be ok if i make some alterations to your design with a view to building this?

    • Author
      admin 4 years ago

      sure, wouldn’t be cheap though man, need a 2012 690 duke for a base and thats already a great bike. Apart from on dirt roads this thing would not ride as well either with those big tyres. I chopped the frame a bit and lowered it and reduced and warped the subframe and airbox, so it would be really hard to make something with the same proportions. I also shorted the front fork, used a 125 duke swingarm, threw in some linkage and a few other things.

  5. swampy 4 years ago

    At the risk of sounding like a smart arse, i already have engineering solutions to problems you mention as i’ve already crossed these bridges before. There will obviously be some compromises for the sake of ridability such as the choice of rubber etc. I don’t propose to mention all the technical solutions on a public forum but if you wish to contact me privately i’ll be happy to tell you.
    The main thing is that i felt it is at the very least courteous to get your consent to build something that you designed.

    • Author
      admin 4 years ago

      man, it sounds brilliant, you of course have my full consent, on the one condition that you or someone else takes some top quality photos of it when it is finished and send them to me!

  6. Logan Selk 2 years ago

    It's cool man!

  7. Alberto Guidotti 2 years ago

    Me likes !

  8. Charlie Moss 2 years ago

    I really like the lines of this bike, I would like more info on the bike. whats the tank off of ? What size of tires are they?

  9. Paul Geraghty 2 years ago

    stick with it , you have some thing , evolve it ,

  10. Joel 1 year ago

    Photos about finished Project???

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