Converted to dual-sport? POST PICS!!

Discussion in 'Some Assembly Required' started by Sinistersculler, Apr 11, 2008.

  1. TINGLER

    TINGLER Swamp lips

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    Do scooters count?

    Here's what I've got so far.

    Before:

    [​IMG]

    After:

    [​IMG]

    Not much of a dual sport, but it is fun to take "off roading" down some gravel roads. The suspension could definitely use some work though. :evil
  2. FatherX

    FatherX socially stunted

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    looks like a hoot
  3. James Adams

    James Adams ɹǝsn uʍop ǝpᴉsdn Administrator

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    OK, not really a "converted" picture (it's my DR650), but I just want to say that the Shinko 705 (shown below) has much better traction on sand, gravel, and other loose stuff than I would have ever imagined.

    [​IMG]
  4. lord_oblivion

    lord_oblivion Been here awhile

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    @FatherX - not much extreme offroad. Something like this :

    Wet sand and clay mix, uphill and downhill, a real nightmare with Heidenau K65 road tires

    [​IMG]

    [​IMG]



    [​IMG]

    [​IMG]


    No roads, not even paths, nothing except tall grass and anthills under it

    [​IMG]



    [​IMG]


    Little bit of a rocky

    [​IMG]

    [​IMG]


    She is too heavy 184kg dry and stock suspension is perfect for clear road rides, not for this.
  5. FatherX

    FatherX socially stunted

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    I guess you are right...I would still do it it. Of course I am a looney :norton

    HAVE FUN, Be SAfe-ish
  6. TerraRoot

    TerraRoot Adventurer

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    [​IMG]
    [​IMG]

    found this thought i'd add it, keep posting people, i don't have any dirt to play on around here but i'ma gitting ideas :wink:...

    [​IMG]

    (you just have to imagine the bash plate instead of the fairing lowers)
  7. theMISSIONARY

    theMISSIONARY hunting and riding!!

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    :D Nice Kawasaki LTD?750 or 400?
  8. TerraRoot

    TerraRoot Adventurer

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  9. Schelbi

    Schelbi Been here awhile

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    Thanks for these pics. But this is not the only bike that was converted by Rolf Witthoeft. He also took a a Kawa 440 engine and
    a 305 engine to build his offroad bikes.

    I see a some of these bikes every year on a big dual sport meeting here in Germany.
    Here are some of my pics:
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
  10. TerraRoot

    TerraRoot Adventurer

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    think your pics might be blocked to non-registered people, schelbi. this rolf sound like a local legend.
  11. Schelbi

    Schelbi Been here awhile

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    No my mistake was using the html-link and not the jpg-link. Now you should see the pics.
  12. theMISSIONARY

    theMISSIONARY hunting and riding!!

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  13. Bambi

    Bambi Been here awhile

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    Hello mates,
    Rolf Witthöft is much more than a local hero!
    He won the 1979 International-Six-Days-Trial in the open class, being a member of the BMW-work's-team. Before, he snatched the European championship in this over 750-cc-class, that seemed to be dedicated to the new BMWs, with that overbored 750 Kawa-Twin. That´'s been a great time! That class had been created with BMW's 800s in mind and suddenly, there was this 750 + cc Kawasaki, a 900 cc bevel-drive Ducati called 'Martello', a home-built 751 cc Maico 2-stroke by Egbert Haas (German champion with this bike, if I remember correctly) and overbored Yamaha XS 650-Twins. May be, I even forgot one special or another in this list.
    Rolf Witthöft built a 501 engine out of the soft-chopper's Z 440 Ltd.'s engine, after the big 4-strokes were reduced to the over 500 cc-class. He built a 305 GPZ engine, too. He used many parts or even nearly whole chassis of the Kawasaki KLX 250 for these bikes.
    I started riding a 250 MZ in 1976 and had a very nice moto-camping-holiday during the 1979 Six-Days, watching all these gorgeous bikes just some 40 miles away from my home ...
    Just a few days later I happened to meet my wife. Great september in 1979!!!
    Kind regards, Bambi
  14. FatherX

    FatherX socially stunted

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    cool story.

    Dream Theater eh??

    My friend is their guitar tech. He helped choose the new drummer. :drums he's on tour now.
  15. Jason F.

    Jason F. Will Ride for Beer...

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    I want something for forest service roads, fire roads, gravel roads, and playing a bit on some farm land. I am poor. So lets talk reasonable goals for weight, front and rear suspension travel, and ground clearance. I am thinking of a new winter project and I have a couple options. I have a parts bike I could scrounge together with parts from the parts bin and I could sell off some parts to fund a better front suspension and rear shock.

    What I have is most of an old Bandit 600
    599.00 ccm (36.55 cubic inches) Inline 4cyl
    74.00 HP (54.0 kW) @ 9500 RPM
    99.00 Nm (10.1 kgf-m or 73.0 ft.lbs) @ 9500 RPM
    6 speed and chain drive.
    199.0 kg (438.7 pounds) Dry Weight
    110/70x17 Front w/dual disk brake
    150/70x17 Rear
    41mm traditional dampener tube front forks.



    Pros in terms of use off road:

    • Oil/air cooled motor of simple design.
    • No radiators to smash and only a small oil cooler up high.
    • Simple steel traditional perimeter frame and engine cradle. Easy to fab up skid plates and engine guards.
    • Fairly narrow engine (for an inline 4)
    • Traditional upright riding position and I found it easy to stand up on.
    • I already have it.

    Cons in terms of off road use:

    • She is a heavy beast.
    • Factory suspension is poor and has limited travel.
    • Metal tank of odd contours (not easily modified/extended) and limited capacity also frame not designed in a way that would easily allow for adaption of a readily available aftermarket tank like a Clark.
    • I would have to buy a decent off road suspension and some wheels for it.
    • Front triple clamp has a welded in stem so swapping steering stems for triple clamp and fork swaps becomes slightly less easy.

    So I am thinking an older but decent set of big dual sport bike forks and a wire spoke wheel to match those forks. Respring them for weight and throw valves in them if they are readily available from someone like race tech. Later model KLR stuff might be an option as it is a 41mm front if I am not mistaken.

    It is pretty easy to modify the rear for height and it is common to swap longer GSXR or Busa rear shocks on the Bandits but that does not actually increase travel. It just gives you more ride height and a stiffer spring. If I recall the eye to eye length of the mono shock is in the neighborhood of 12 to 12.5 inches so if I could find something with decent travel close to 13 inches in length I could make that work even if it means making some new linkage bits.

    There are not a ton of extra bits and crap on the bike so I am not really sure where I can pull much weight off of it. If I were to go with a narrow spoke wheel setup and a single disk front I am sure that would drop a few pounds. Getting rid of what fairings and plastic is there and making some sort of aluminum brackets for headlight and windscreen mounting would also drop a few pounds.

    Other than that I would have to get radical for weight loss:

    • Cut off the steel rear sub frame and source or fabricate an aluminum replacement.
    • Ditch the heavy steel tank in favor of either a custom aluminum under seat tank or a plastic tank of some sort in a more traditional location.
    • Ditch the center stand (hate to do this) for weight and ground clearance.
    • Dump the stock cluster in favor of a digital unit like a Vapor or similar.
    • Ditch the stock 4 into 1 with a big shiny can exhaust in favor of a smaller lighter setup but I want to keep it fairly quiet.

    Think is a reasonable starting point for a frankendualsport along the lines of those posted in the pages of this thread?
    How light do you think I should try to get it or should I even worry about weight if it is under 500lbs?
    Any good thoughts on suspension choices?
    I have about a month to plan and brainstorm since I want to start in mid November when work slows down a bit for the holiday season.

    Here is my parts bikes sister bike or approximately where I would be starting from, only in worse shape.

    [​IMG]

    [​IMG]
  16. Bambi

    Bambi Been here awhile

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    Hello FatherX,
    so we heard and saw the result of your friend's efforts in july this year on the Loreley-rock in the rhine-valley in Germany!
    Iris and me have been into progressive rock most time of our lives. This calmed down a bit in the 80's and 90's, as German radio started to refuse playing this kind of music (and still does!). We had to turn to our old records and got nothing new. We even missed the foundation and early success of bands like Dream Theater and Queensryche for excample. The turn of the tides reached us in 2000. Thanks to the internet we're back in the scene again and enjoy our old heroes like Yes and Peter Gabriel plus today's prog bands like Enchant and Porcupine Tree and prog metal like Dream Theater and Pain of Salvation and so on and on. Thanks to music magazine Eclipsed and our now-again growing personal cd-archive I could count and discuss bands for hours and hours ...
    (Prog-) Rock the world!
    Kind regards, Bambi
  17. villageidiot

    villageidiot Long timer

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    yes, thats a good starter bike.

    go to all balls and see what other bikes use the same steering stem bearings, or call them and they"ll answer some questions on your potential front end bearing diameters etc.

    i bet v strom wheels would almost bolt on.

    dr 650 forks are good and cheap most the time. dr650 rear wheels also have a street style cush drive, same with klr
  18. TerraRoot

    TerraRoot Adventurer

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    perhaps find some lowering links out there on ebay, then add a longer shock, end up with the correct chain run and more wheel travel? i got a dead dr750 out back i can measure the head stock length and the the swingarm width, if they fit it would be best to find a dr 650-800 with no engine and swap the bits.
  19. larryboy

    larryboy Chopper Rider

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    My Bandit 600 is coming in under 400 so far, I'll get back to working on it after the first of the year.


    [​IMG]
  20. Jason F.

    Jason F. Will Ride for Beer...

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    Yeah that would be a great idea. I had some lowering links I machined up when I put a GSXR-1000 shock on the street Bandit. I sold that bike recently but I am sure I saved the program somewhere and have more than enough scrap to machine a second set. With the rear of the bike raised just a touch it had good ground clearance and it actually improved steering response a decent bit on the street.

    I know that swing arm swaps are common with these bikes since the different generations as well as the 600 and 1200 arms swap. Busa arms swap with very minor modification. I would bet other Suzuki bikes would swap as well like the DR you mentioned.