Please help !

Discussion in '2-Stroke Engines' started by Anonymous Pimp, Sep 24, 2012.

  1. Anonymous Pimp

    Anonymous Pimp New Member

    So I get this kit and install it and at first everything is great but then one thing after another first off I can't seem to get the carb to stay on the intake tube! It is the high output carb and the plastic ring that fits over the intake tube seems to let the carb just slide off and I can not get it to run properly it was running great had it perfect until the carb fell off one time and has not run right since can anyone help me with this please also having clutch issues used to work just fine now no matter where i set the cable the clutch wont work you cant tell me that the clutch wares out after three tanks of gas ! I just broke it in ! any help with these things would be great ! Thanks in advance !

  2. Anton

    Anton Administrator Staff Member

    With your carby have you tightened the screw where it attaches to the intake manifold? I have one carby that has a hose clamp and another that has a screw clamp - both are tightened using a phillips head screw driver.

    So the clutch wont engage at all? Try undoing the cable where it attaches to the clutch arm and see if it will engage.
  3. Anonymous Pimp

    Anonymous Pimp New Member

    Yes I have and yet it still comes off and it was usually happening when the power band kicked in but now that it is not running properly I don't get a power band !
    And by engage what do you mean ? I can't even start my bike now because I cant get it moving because it is like I have no clutch I have adjusted it but it still does nothing !
  4. KCvale

    KCvale Motorized Bicycle Vendor

    ...and now you have problems and would like some help correct?
    You realize there are a bunch of different kits out there right?
    Don't ya think it would be helpful to share what this kit is with those willing to try to help?
    Be VERY specific about EVERYTHING and a picture really helps ;-}
  5. Purple Haze

    Purple Haze Active Member

    Welcome to the world of China "quality". Read all the threads on "clutch problems". Most of these are simple fixes involving adjusting spring tension.
  6. Anonymous Pimp

    Anonymous Pimp New Member

    Okay the kit is Yuan Dong Sky Hawk GT5

    And here are some pics of my bike

    IMG_20120924_183931.jpg IMG_20120924_183907.jpg IMG_20120924_183856.jpg

    So I hope that this helps you help me

    Thank you
  7. timtooth

    timtooth Member

    You screw is strip,look like your carb can slide more on the intake.
    Try tighten your screw some more but use pliers or vise grip.
    An also that clear hose closest to your air filter remove it, make sure that plastic ring is turn the right way also.
  8. Anonymous Pimp

    Anonymous Pimp New Member

    I will replace the screw but when the carb was coming off the screw was tight as it would go ! And what plastic ring are you referring to ? The one that is inside the carb that connects to the intake ? What would be the right way ? And why would I have to remove the hose closest to the air filter I can't see how it would make a difference but if a reasonable explanation then I will remove I just don't see the reasoning though ?
  9. Anonymous Pimp

    Anonymous Pimp New Member

    I think I should solve my clutch problem first so that I can get it started and also have it running at a stop to fiddle with the carb !
  10. Anonymous Pimp

    Anonymous Pimp New Member

    Okay so I have solved the clutch problem it was the throw out bearing ! So now clutch is great but still having trouble with my carb. I just cant get it to where it was before ?
  11. motorpsycho

    motorpsycho Active Member

    first of all, the carb you have is garbage. 99% of the time, they will never stay on the intake tube because of the plastic ring inside the carb that slides onto the intake tube.
    the throat of the carb is slightly too big for the intake tube, so they put the plastic ring in it to shim it to fit.
    it's a bad design and the carb itself is a pain in the a$$ to tune right.
    do yourself a favor, spend $15.00 and buy an older style nt'll be happy you did.
    but if you want to stay with the carb you have, you'll have to figure out a way to make a new plastic ring (shim) that fits onto the intake tube tighter.
    I'm not sure if a peice of pvc pipe will work or not, but you could try it.
    cut a peice and replace the ring with it and see if will work.
    one thing tho, you'll have to make a slit in the pvc pipe so it can be squeezed together when you tighten the carb mounting screw.
    or, you could make a new intake tube (if you have a welder) that fits the carb without the plastic ring.
  12. Anton

    Anton Administrator Staff Member

    How about some teflon tape/plumbers tape. The standard teflon tape will disintegrate if it's in contact with petrol but you should be able to find some fuel resistant teflon tape. I used teflon tape to clamp my carby on and so far it's holding on.
  13. Purple Haze

    Purple Haze Active Member

    motorpsycho is right, that carb is a pain. You can spend hours on hours trying to tune it, and eventually you'll get it to perform almost as well as a stock NT. Or, for less than 20 bucks, you can buy a "speed" carb which is even better. To me, that choice is a no-brainer, unless you love tuning and testing carbs.
  14. Anonymous Pimp

    Anonymous Pimp New Member

    I have figured out a way for the carb to stay on the intake by using wire but the carb is so hard to tune cant get it running right. Any help would be great !
  15. Anonymous Pimp

    Anonymous Pimp New Member

    Okay so where do I get one ? Like yesterday ? And will it fit on my intake ?
  16. timtooth

    timtooth Member

    Well,when I was trying to get my carb dail in, "piston bikes" customer service told me to remove that hose, cause it prevent it from working right.
    Question, do you still have a rubber seal behind your plastic collar?
    An the plastic collar should be turn at the 9 o:clock mark.
  17. Purple Haze

    Purple Haze Active Member

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  18. Purple Haze

    Purple Haze Active Member

    Well, I messed that up! Anyway, luckyearlybird on ebay has em for 16.99 free shipping. Don't know how much the shipping to Canada would be.
  19. Anonymous Pimp

    Anonymous Pimp New Member

    Thanks for the reply but yesterday I went to zoom bicycles and got one for $15.00 and now things are running great ! But I still want to get this carb to work so I am going to try what timtooth suggested and see what happens ! I want to thank all of you for your help it is great to know that when I can't figure something out that there is somewhere I get help so again thank you !