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Help GSXR carb help please

Discussion in 'Suzuki 250cc In-line 4's' started by monsigna, Dec 5, 2014.

  1. monsigna

    monsigna Active Member

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    As above really, my gsxr 250 carbs are a real mess, one screw that holds the needle value assembly in has rotted away, but my main issue is how do I remove the diaphragms? The sliders won't come out, I'm really stuck and covered in cleaning fluid, desperately trying not to get any on the rubber. Any ideas? Cheers folks
     
  2. kiffsta

    kiffsta Administrator Staff Member Dirty Wheel Club Contributing Member

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    I have had a few stuck diaphragms \ slides, I usually just remove the top of the carby, carefully peel away the diaphragm from the carby body, then spray some WD or similar down near the slide. If they are really stuck, try removing the main jet and emulsion tube and that might help free the needle, then I gingerly push the slide up from the air box side of the carby until it comes free
     
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  3. monsigna

    monsigna Active Member

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    sorted now thanks for the help....the carbs are in a bad way.........
    1456676_10203337786108781_1563143174746357795_n.jpg 1601411_10203337786828799_5453123107723593631_n.jpg 10367586_10203337788548842_4171979482746358618_n.jpg 10440241_10203337784548742_7679031521168167049_n.jpg 10805604_10203337788828849_5220772023152970126_n.jpg 10801741_10203337789108856_8001416207791540599_n.jpg 10846204_10203337784868750_2673077055713821682_n.jpg 10846267_10203337785148757_236793821342394682_n.jpg 10850050_10203337787268810_2110010695846643552_n.jpg
     
  4. Phil

    Phil Senior Member Premium Member Contributing Member

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    Those carbs are most certainly in a bad way, in need of a can or two of threebond engine conditioner to clean them out.
    Wish you well my friend, you have a decent project ahead of you, good luck with it. :thumb_ups:
     
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  5. GreyImport

    GreyImport Administrator Staff Member The Big Cheese Contributing Member

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  6. monsigna

    monsigna Active Member

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    Thanks phil, I have been advised to get the carbs cleaned 'ultrasonically' im a bit 'old school' and prefer to use traditional methods.
     
  7. monsigna

    monsigna Active Member

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    cheers grey import...I will certainly take a look, not heard of these products here in the UK, someone mentioned a calliper cleaning product as well, was it inox? or something like that.
     
  8. GreyImport

    GreyImport Administrator Staff Member The Big Cheese Contributing Member

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  9. Phil

    Phil Senior Member Premium Member Contributing Member

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    I have seen some excellent results with ultrasonic cleaners, also some that were less than satisfactory therefore I'm sitting on the fence a little.
    Threebond has never let me down so far and you will find many members here on the forum who also have nothing but praise for it's quality.
    @GreyImport has posted up some links, peruse them and make up your own mind. Good luck!!
     
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  10. monsigna

    monsigna Active Member

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    I will phil, thanks, I better get searching for goodies then :)

    All I get for threebond searches, is gasket sealer? no cleaning products..
     
  11. GreyImport

    GreyImport Administrator Staff Member The Big Cheese Contributing Member

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  12. monsigna

    monsigna Active Member

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    doesn't post to the uk.....I will make do....thanks anyway bud.
     
  13. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Regards the ultrasonic carb cleaning, you can try Matt Harper at Harper's Ultrasonic http://www.harpers-ultrasonic.com/
    Matt and I worked together to get the mid-body seals done for Keihin FCRs and he knows what he is doing.
    cheers
     
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  14. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    I suggest that while you have your carbs apart, and waiting to get cleaning and other things done, that you coat your diaphragms with silicone or rubber grease. If they dry out they can deteriorate very quickly.
     
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  15. Mclaren

    Mclaren Well-Known Member Contributing Member

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    3bond the crap out of them if u check my cbr thread on race bike mine look brand new from 2 cleanings
     
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  16. monsigna

    monsigna Active Member

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    Cheers chaps, great tips, will get onto it as soon as possible.
     
  17. Willrcr15

    Willrcr15 Well-Known Member Premium Member

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    A dealer in old bikes & spares put me onto 'Subaru Upper Engine Cleaner'
    He dismissed the use of ultrasonic baths in preference to the cleaner. I was going to buy one & he talked me out of it.
    It works, god knows whats in it, smells pretty ordinary. Soak all the parts in it overnight & alls good
    $20 for a small aerosol can over here. The girl at Subaru said the factory mechanics use a can on each service.??
    It's different to carby cleaner, it bought all the brass up golden & made the aluminium brighter. It's supposed to be better getting all the hidden little galleries & jets. Worked for me.
     
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  18. risky

    risky risky

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    smells like ammonia but i can assure it works.
     
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  19. GreyImport

    GreyImport Administrator Staff Member The Big Cheese Contributing Member

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    'Subaru Upper Engine Cleaner' ..... that's wat Threebond is
     
  20. Phil

    Phil Senior Member Premium Member Contributing Member

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    On the money Mr Grey, that is Threebond.
     

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