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Project Bens GSX250 Cafe Project

Discussion in 'Your 250cc Projects' started by Ben Mulligan, Nov 14, 2013.

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  1. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    Interesting new carbs, they have a clicker that has 3 positions for the throttle, is that going to be a problem for a road bike?

    Also the butterfly seems to be in opposite position from my original carbs, just a different way of getting airflow right?

    IMG_6932.jpg IMG_6933.jpg
     
    Ben Mulligan, Aug 16, 2014
    #141
  2. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    This is a slide carb, needs a cable in through the rubber bit at top. The bit with the 'o'ring bolts to the engine. The butterfly and clicker are the choke.
     
    Murdo, Aug 16, 2014
    #142
  3. Tim_

    Tim_ resident nutcase Contributing Member Dirty Wheel Club

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    I wonder how some OKO flat slide race carbs would go on one of these.
     
    Tim_, Aug 16, 2014
    #143
  4. Willrcr15

    Willrcr15 Well-Known Member

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    Whoa, different carb's is a big gamble & guarantee they won't work.
    What made you buy them ? I'd be paying the $160 for the right ones, it'll save you a nightmare, adapters , jetting, cables.
    Give it a go first seeing you've got them, you look like your pretty handy. Let us know how it goes.
    Good luck
     
    Willrcr15, Aug 18, 2014
    #144
  5. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    IMG_7662.jpg IMG_7663.jpg Finally, may I present to you the frame, in Gloss black 2pac. Boom!

    Back to it boys ;)
     
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    Ben Mulligan, Sep 18, 2014
    #145
  6. Willrcr15

    Willrcr15 Well-Known Member

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    Good to see it's in the loungeroom where it should be !
     
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    Willrcr15, Sep 18, 2014
    #146
  7. kiffsta

    kiffsta Senior Member

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    that looks awesome Ben, now for reassembly:thumb_ups:

    How much did the paint job cost ?
     
    kiffsta, Sep 19, 2014
    #147
  8. Phil

    Phil Senior Member Contributing Member

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    Nice Ben, I remember when my frame came back from the powder coaters for the X7, I admired it and reality hit me!.......now I have to put this back together????????????a little daunting at the time. So now your task begins and good luck with it.:thumb_ups:
     
    Phil, Sep 19, 2014
    #148
  9. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    I found a guy throguht a mate, who is doing the front guard, tank, seat and frame for $1000. WAit till you see my design, its not simple haha.

    Ya, it struck me too, if I hadn't done so much work already I think i'd be a little daunted. Its just the fiddly tuning and setup things that will bug me. The rest is ready to (pretty much) bolt on
     
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    Ben Mulligan, Sep 19, 2014
    #149
  10. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    She's starting to look like a bike again, need to wrap the loom in tape and route it properly

    I have a problem guys, how am I going to make a new throttle cable that splits like a Y into two separate carburettors? Has anyone made cables before? Got a kit or any tips?

    IMG_7806.jpg
     
    Ben Mulligan, Sep 21, 2014
    #150
  11. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    You will need a three piece cable as used on something like a GT250 Suzuki/Yamaha RD250 etc.
     
    Murdo, Sep 21, 2014
    #151
  12. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    I'm not sure about the length, I might have trouble adjusting it because of how close my clip ons are. Any recommendations?

    http://www.ebay.com.au/itm/Hyosung-...pt=UK_Motorcycle_Parts_13&hash=item540fab5808

    http://www.ebay.com.au/itm/Honda-CL...rcycles_Parts_Accessories&hash=item46206fd9a3

    http://www.ebay.com.au/itm/Yamaha-R...pt=UK_Motorcycle_Parts_13&hash=item540f44533f
     
    Last edited: Sep 22, 2014
    Ben Mulligan, Sep 22, 2014
    #152
  13. Phil

    Phil Senior Member Contributing Member

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    Hi Ben
    Just to clarify, did you not obtain some different carbs for your bike, I could be mistaken???? Let us know.
     
    Phil, Sep 22, 2014
    #153
  14. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    Hey Phil,

    Yes, sorry split over two threads. I got some Mikuni round slide carbs for my bike, which arent coupled together and require separate throttle cables. And because my old throttle cable is long, and my clip on bars are much closer the length is wrong. I cant even modify it because the sleeve is way too long. So i need to buy a 1 into 2 throttle cable for the new carbs.

    PS Reasons I got new carbs - bowl thread to prime L carb is stripped and its leaking petrol, worried it will leak at speed onto the tyre. 2 the old carbs adjuster screw to adjust the choked is stripped, and therefore I can't uncouple and clean the carbs out. New bowl has to be bought in a full assembly from suzuki for $550 ex gst, two $80 carbs and some jets can't be anywhere near as dear as that.


    IMG_6932.jpg IMG_6933.jpg
     
    Ben Mulligan, Sep 22, 2014
    #154
  15. Phil

    Phil Senior Member Contributing Member

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    Hey Ben
    Pleased that my mind(brain) hasn't gone completely :lolsign:
    Think that Murdo is on the same page with twin cables from an early Suzuki gt250. Having said that, the length will become an issue?
    Separate carbs, different bars, I would perhaps contact a cable maker who can take some measurements and get you the exact size required. I purchased an X7 set for under $25.00 but it has the 3 cable splitter, one for each carb and the third for the oil pump.
    We have a fellow here on the Sunny Coast who makes cables but you're in Victoria..............big stretch.
    Sorry I can't be more helpful, keep us posted. The bike looks great, coming along nicely.:thumb_ups:
     
    Phil, Sep 22, 2014
    #155
  16. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    Ben Mulligan, Sep 22, 2014
    #156
  17. tintankaussie

    tintankaussie Well-Known Member

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    Our local bike wrecker here in Mildura can make any cable if you need help...Ken
     
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    tintankaussie, Sep 22, 2014
    #157
  18. Phil

    Phil Senior Member Contributing Member

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    Hi Ben, think Ken has a closer solution for you in Mildura. If that doesn't pan out I'll get you the details for the fellow up here.
     
    Phil, Sep 22, 2014
    #158
  19. Ben Mulligan

    Ben Mulligan Well-Known Member Premium Member Contributing Member

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    So the finicky part is over! I found an engineer with an M4 thread tap, aligned my POSH Jpn Switched and finally mounted them. The square holes for the 3 position switched were the hardest because of the internal diameter of the bar. However with a bit of gentle dremmeling and rough filing back we made them fit! They are flush and bite well into the thread. Props to my mates mate Alister for helping me out

    What do you guys think? Nice and neat? IMG_0011 (1).jpg IMG_0013 (1).jpg IMG_0019.jpg IMG_0020 (1).jpg IMG_0021 (1).jpg
     

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    Ben Mulligan, Oct 5, 2014
    #159
  20. Phil

    Phil Senior Member Contributing Member

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    Looking real good Ben :thumb_ups:
     
    Phil, Oct 5, 2014
    #160
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