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Old 29-06-2016
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gibnut gibnut is online now
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Originally Posted by Chlowen View Post
Hey guys,

I have installed a 300kit into my 13 KTM 250 exc, I rode it on the weekend and had a fair bit of spooge coming out, my jetting was AS 1.5 turns, NEDW needle, 162 main jet, 40 pilot, it was also stalling a fair bit, so we upped the idle, which helped.
I have now changed the jetting to 1.5 AS, NECJ needle, 38 Pilot and 162 main, I reset the idle and it now kicks easily and idles nicely, riding around the yard was good, no spooge at all, took it for a ride up the road, high speed, came back, fair bit of spooge out the back, it's 15deg here at the moment.

Can anyone suggest a better jetting setup, the 300 kit was brand new from ktm.


Paul, my 'berg TE300 '13 model (same motor as you now) ran very well on NECJ #3 (you didn't mention your clip pos), 35p/165m, a/s 1.5, Motorex syn @ 2% in 98ron juice.

Silencer had a repack recently?

Good luck mate
2020 Beta RR300
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Old 29-06-2016
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Chlowen Chlowen is offline
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Yep, sorry it is on clip 3(middle clip)

Cheers for the advice..
2013 KTM 250 EXC
2011 WR450F - Gone
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Old 15-11-2016
Mackan Mackan is online now
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KTM 300 2008 to 2013 jetting thread.

Sorted, please delete.
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