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Thread: GN250 Cafe Racer

  1. #1
    Join Date
    15th September 2011 - 07:42
    Bike
    GN 250
    Location
    Germany
    Posts
    13

    GN250 Cafe Racer

    Hi there,
    Im posting my rebuilding of a Suzuki GN250 to a kind of cafe racer. I Am from the south of Germany and our TÜV, somthing like your WOF is vry restriktive so lots of modding is not allowed.
    I have startet with a bike like this:



    and I ended with this:





    only the seat I want to change in a nice cafe racer style but first I have a ride to the Tüv to get my licence.
    Greatings from the real Wolf from Germany

  2. #2
    Join Date
    24th June 2004 - 17:27
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    So old you won't care
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    Kapiti
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    7,879
    Good effort so far though.....

  3. #3
    Join Date
    17th July 2005 - 22:28
    Bike
    Dougcati, Geoff and Suzi
    Location
    Banjo town
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    Love it, keep up the good work!
    Quote Originally Posted by Paul in NZ View Post
    Ha...Thats true but life is full horrible choices sometimes Merv. Then sometimes just plain stuff happens... and then some more stuff happens.....




    Alloy, stainless and Ti polishing.
    Bling your bike out!
    PM me

  4. #4
    Join Date
    26th February 2010 - 19:35
    Bike
    None
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    Greytown
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    481
    Very nice!
    How much has it cost you so far to get it to its current stage?
    Did you do the paint job yourself?

  5. #5
    Join Date
    15th September 2011 - 07:42
    Bike
    GN 250
    Location
    Germany
    Posts
    13
    Hello,
    the costs until now are not very high, parts to pay are the handlebar, the turn signals, the air filter, the rear light, I think all in all about 150 Euro, about 300 NZDollar. The paint job is only the black colour, the race strip is a decal, also the red lines.







    Now I try to tune the careburator to the new air filter. I need a bigger jet. With a rear sprocket wheel with 16 sprockets the GN is now a little it faster. I need a chain wheel with 37 sprockets for a little bit more topspeed, I hope i can reach the 140 km/h. At the moment I reach 130 km/h at 7900 rpm.
    Maybe I try the 300ccm Cylinder which you can get via e-bay. Here in Germany som people are very happy with it.
    Greetings from the real Wolf...

  6. #6
    Join Date
    17th July 2005 - 22:28
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    Dougcati, Geoff and Suzi
    Location
    Banjo town
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    The 300cc kit works okay, it's a noticeable difference
    Mine destroyed the clutch with the 300cc motor
    Quote Originally Posted by Paul in NZ View Post
    Ha...Thats true but life is full horrible choices sometimes Merv. Then sometimes just plain stuff happens... and then some more stuff happens.....




    Alloy, stainless and Ti polishing.
    Bling your bike out!
    PM me

  7. #7
    Join Date
    15th September 2011 - 07:42
    Bike
    GN 250
    Location
    Germany
    Posts
    13
    Hello,
    a little update while I'm working on my bike: I raised the rear end of the tank about 6 cm to get it paralell to the frame. Now i have to raise the seat at the front end for a little so the line goes straigt from front to end.



    Greetings from beginning autumn at lake constanze, Wolf

  8. #8
    Join Date
    9th October 2012 - 11:24
    Bike
    gn250
    Location
    aus
    Posts
    3
    hey mate, bike looks great. was just wondering how exactly you went about lifitng the tank to get it paralell to the frame?

  9. #9
    Join Date
    17th July 2005 - 22:28
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    Dougcati, Geoff and Suzi
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    Quote Originally Posted by Smarsh View Post
    hey mate, bike looks great. was just wondering how exactly you went about lifitng the tank to get it paralell to the frame?
    Put a spacer under the rear mount with longer bolts, same as I've done.
    You can also modify the front rubbers to bring the front down too
    Quote Originally Posted by Paul in NZ View Post
    Ha...Thats true but life is full horrible choices sometimes Merv. Then sometimes just plain stuff happens... and then some more stuff happens.....




    Alloy, stainless and Ti polishing.
    Bling your bike out!
    PM me

  10. #10
    Join Date
    9th October 2012 - 11:24
    Bike
    gn250
    Location
    aus
    Posts
    3
    Quote Originally Posted by ducatilover View Post
    Put a spacer under the rear mount with longer bolts, same as I've done.
    You can also modify the front rubbers to bring the front down too
    Hey, thanks for the reply. I had a look, did you have to bends the rear tank flange, or elongate the holes, because as I lifted the tank, the holes in the tank and the threaded holes werent on the right angle. Also do you know anything about modifying the seat so its more in line with the tank, so the bike doesnt look like its folded in half?
    Cheers

  11. #11
    Join Date
    17th July 2005 - 22:28
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    Dougcati, Geoff and Suzi
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    Quote Originally Posted by Smarsh View Post
    Hey, thanks for the reply. I had a look, did you have to bends the rear tank flange, or elongate the holes, because as I lifted the tank, the holes in the tank and the threaded holes werent on the right angle. Also do you know anything about modifying the seat so its more in line with the tank, so the bike doesnt look like its folded in half?
    Cheers
    The holes in the rear of the tank should have spacers or washers in them, take them out and the holes end up being about 15mm round. Then you can put the tank on any angle you want

    I removed the seat cover and trimmed the foam and seat base (you can see it in my signature pic) then re-fitted the seat fabric. Fairly easy to do
    Quote Originally Posted by Paul in NZ View Post
    Ha...Thats true but life is full horrible choices sometimes Merv. Then sometimes just plain stuff happens... and then some more stuff happens.....




    Alloy, stainless and Ti polishing.
    Bling your bike out!
    PM me

  12. #12
    Join Date
    3rd September 2012 - 09:58
    Bike
    2009, Kawasaki KLX250s
    Location
    Wellington
    Posts
    49
    Blog Entries
    9

    Thumbs up Well done, sir!

    Gorgeous. Just gorgeous. You've taken a bike that started out being pretty cute, and made it even cuter

    /ponders doing something similar with hers (I have a GN125)
    SCIENCE, bitchez. it WORKS.
    Mort and his friends' adventures: http://mymotocyclette.tumblr.com

  13. #13
    Join Date
    15th September 2011 - 07:42
    Bike
    GN 250
    Location
    Germany
    Posts
    13
    Hello,
    sorry my replay comes so late, I had trouble with our Internet. As was said I put spacer under the rubber Part that is at the rear end of the tank. I had to change the front mount of the seat to fix it. Because of the cold weather here I cant take a Picture, but whe the weather is better yuo get it.

    Foggy autumn:


    first day winter:


    No comes the hard time riding

    greetings, Wolf

  14. #14
    Join Date
    15th September 2011 - 07:42
    Bike
    GN 250
    Location
    Germany
    Posts
    13
    Hello,
    here is the picture of the spacer which hold the tank:



    Greetings, Wolf

  15. #15
    Join Date
    20th October 2007 - 11:34
    Bike
    BMW F650 Hoonda GB500 KTM525 sixdays
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    Eating Pizza
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    Quote Originally Posted by TheRealWolf View Post
    Hello,
    a little update while I'm working on my bike: I raised the rear end of the tank about 6 cm to get it paralell to the frame. Now i have to raise the seat at the front end for a little so the line goes straigt from front to end.



    Greetings from beginning autumn at lake constanze, Wolf
    That is just what it needed- instant transformation
    !
    Retired- just some guy with a few bikes......

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