2010 EC300 Factory Jetting Specs - WTF?
- Thread starter JP4
- Start date
I tried the needle in second clip and the bike ran horrible. It would act like it did not want to rev at all on the bottom, kind of like when the bike is not warmed up. I then moved to the 4th clip and that was much better but still not as good as the 3rd clip.
For yesterdays ride I installed the 178 main, 40 pilot, 3rd clip a.s. apprx. 1.5.
I think this is about as good as it gets with the N3CH needle. I may try running a 42 pilot and cranking the air screw out a little farther to see what that will do.
I am pretty happy with it overall. It runs very smooth throughout the rev range. If I have any complaint I would like a little more snap down low but honestly I am probably faster with the smoother power delivery.
For yesterdays ride I installed the 178 main, 40 pilot, 3rd clip a.s. apprx. 1.5.
I think this is about as good as it gets with the N3CH needle. I may try running a 42 pilot and cranking the air screw out a little farther to see what that will do.
I am pretty happy with it overall. It runs very smooth throughout the rev range. If I have any complaint I would like a little more snap down low but honestly I am probably faster with the smoother power delivery.
Vindicator
New member
What altitude and temp was this ? Might be that in the 2nd clip is just too lean ?
Rod Overstreet
Platinum Level Site Supporter
Last week, we had a nice 65 degree, 61% humidity day so I took the 300 out for a few minutes for a quick plug check. 38 pilot, 175 main, N3EH needle in the 3rd clip and A.S. at 1&1/2 turns out. Plug was a perfect light chocolate brown.
Krieg
New member
Where did you get your N3EH needle?
Rod Overstreet
Platinum Level Site Supporter
Here is the KTM part number for the N3EH needle. 54731034700
Krieg
New member
Thanks Rod!
Rod Overstreet
Platinum Level Site Supporter
No sweat, glad to help out.Thanks Rod!
Jakobi
Super Moderator
Your local KTM dealer will be able to order you any of the N3 range of needles.
I'm thinking of dropping my needle back to clip 2 once it cools off a bit and maybe trying a 172 main.
Also thanks for the added info Jeff. This thread is almost like a goldmine for 2010/2011 Jetting specs. Appears lots of people having success with these needles.
Vindicator
New member
Sorry for asking this but can I post JD's needle graph comparison chart or do you consider it illegal or some how offensive ? I just wanted to show the differences between the needles we are talking about.
Vindicator
New member
Dear Admin, may I have your opinion on this subject ?
what about CHN needles?
i'm digging around trying to find some jetting info on my new 2010 300, and found this thread. i've got the same jetting as OP, and while i'm happy with how the bike runs here and now (60-ish degrees F, sea level), it's likely the only places i will be going from here will be hotter in temp, higher in altitude, or both.
the bike came with a CHN needle in the spares. does anyone have any time on this, or know how it relates to the N1EF that is on the bike (top clip, leanest)? i can always go with one of the N3## needles people have mentioned here since i bought the bike from our local ktm dealer, but was just wondering if anyone knew anything about the CHN needle - it doesn't show up on sudco charts or anywhere else that i've been looking, and my calipers have a dead battery...
i'm digging around trying to find some jetting info on my new 2010 300, and found this thread. i've got the same jetting as OP, and while i'm happy with how the bike runs here and now (60-ish degrees F, sea level), it's likely the only places i will be going from here will be hotter in temp, higher in altitude, or both.
the bike came with a CHN needle in the spares. does anyone have any time on this, or know how it relates to the N1EF that is on the bike (top clip, leanest)? i can always go with one of the N3## needles people have mentioned here since i bought the bike from our local ktm dealer, but was just wondering if anyone knew anything about the CHN needle - it doesn't show up on sudco charts or anywhere else that i've been looking, and my calipers have a dead battery...
GMP
Active member
Vindicator,
Posting a screen grab of the chart for information purposes is fine, I have it myself and its a great tool. The only thing that would not be cool is passing pirate copies of the sheet around on the forum, as its JDs property. Same thing with posting valving specs from a tuner who makes a living at it.
Posting a screen grab of the chart for information purposes is fine, I have it myself and its a great tool. The only thing that would not be cool is passing pirate copies of the sheet around on the forum, as its JDs property. Same thing with posting valving specs from a tuner who makes a living at it.
