[farmerj]

Fabio,

IMO both needles could be considered "all purpose", it's really personal preference.

The NECW is not as "lively" - smooth and linear, as others have said. So to that extent, it may be better suited for technical terrain - but it depends on the rider. I like riding the technical stuff, but prefer more of a "hit".

Something like the N3EH will be more aggressive, but I find that to be more fun, especially in sand or open terrain.

Jacobi has given the two of the most popular jetting options below:
42 pilot/178 main with N3EH (or variant - N3EG or N3CH)
- or 40/175 NECW.

From what you've said about where you're riding I'd suggest you start with the N3EH.

Let us know what you think!

Jeff

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Jacobi's recommendations above are good ones -

N3EH#3 178 with the same pilot will make for some aggressive power.

NECW is a good choice for nice linear delivery. One step leaner on the diameter for clean delivery off idle.. and just builds. Similar in profile to the N1EF once past the first taper.