Carby Needle adjustment in racing carby?

Discussion in '2-Stroke Engines' started by agrmodz, Jul 30, 2016.

  1. agrmodz

    agrmodz Member

  2. Frankfort MB's

    Frankfort MB's Well-Known Member

    They don't have adjustable needles..... Just main jets sadly:(
    Only reason that's stopping me using one
  3. agrmodz

    agrmodz Member

    Would getting jets for it and trying everyone get rid of the leaning out im getting?
  4. butre

    butre Well-Known Member

    are you sure you're running lean? what are your symptons? unless you're way below sea level I don't see the stock jetting on any carburetor ever being lean. do a plug chop.
  5. agrmodz

    agrmodz Member

    The stock nt carby is fine, i get 42mph. When i put the racing carby on i get about 20mph max and it seems to jerk quite a bit and not get full power, almost as if its not getting enough petrol..
  6. HeadSmess

    HeadSmess Well-Known Member

    if its dying when you open the throttle, its too lean.

    if its refusing to rev out... its too rich.

    the stock NT carb works...why change? the word "racing" isnt going to add any speed.
  7. agrmodz

    agrmodz Member

    IT looks better on the blue bike though...
  8. jaguar

    jaguar Well-Known Member

    having the right main jet in it will make the fuel mixture correct at full throttle but for mid throttle you have to fiddle with the holes in the fuel column. click on my signature link and then go to the page about the Dellorto carb.
  9. agrmodz

    agrmodz Member

    Seems easy enough, i'll give it a go after my jets arrive.