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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc.


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  #11  
Old 05-23-2019, 11:45 PM
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It sounds like you are pretty well set.


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  #12  
Old 05-24-2019, 02:40 AM
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If they weren't so damn expensive esp converted to Pacific Pesos (NZ dollars) however I bought a very cheap 17 carb to replace my worn out 07. I am so happy with the RM needle.

The block would have helped here (Old carb) even it was as good as new let alone an improvement. I'd like to try the Stic but it's so cool now.

Maybe if I came I to some spare dollars needing a home. I could think of it as my contribution to making America grate again.
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Old 09-22-2019, 03:51 PM
tonyraft tonyraft is offline
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What main and pilot jet size you end up
using on your 300 when you fitted stic ?
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Old 09-26-2019, 08:19 PM
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I am running a 192 main and the Suzuki 13383-37FJ0 NEDG needle. I think the pilot is a 50 or 52
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Old 09-27-2019, 05:53 AM
tonyraft tonyraft is offline
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Did you have a lean spot at around 1/3 to 1/2 throttle ? I have dropped clip to bottom position nearly got rid of it but not quite , have tried various needles but still end with pinking
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Old 09-27-2019, 08:59 AM
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Where do you have your air screw set? These work best with the screw set about 2.5 to 3 turns out. Make sure your float height is set correctly because that will change the overall jetting.

I would increase the pilot and main jet sizes. The designer of the STIC, George Boswell, told me that many KTM rider have are having good luck using larger main jets in the 195 to 200 range. I was told that the main jet overlap into the pilot jet throttle range (more than the stock Keihin) because it reduces the required draw and makes it easier for the carb to pull fuel at lower rpms. George said while it sounds odd, they run fine on top without being overly rich.

Our 125 had a similar problem being lean 1/4 to 1/3 throttle range. It was using the NEDJ needle (provided with the kit) raised to the top and I was able to correct the lean spot with a larger main jet and pilot jet. Ultimately I will probably use the NEDG needle in the 125 like I am using in my 327.
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