[Thompo]

im on a 2011 250.

I fitted NECW needle (1/2 clip diff to NEDW) as it was locally available for $15.
Cleans up the bottom/mid but seems to take the edge of the hit when it gets on the pipe, maybe making more in mid so the transition isn't as noticeable.

Standard jetting bike was very spoogy, soft on the bottom (which I think like) and came on the pipe hard (don't like so much in technical stuff!). similar temps and elevation (Northern Ireland). It also drank a ton of fuel, 33miles to reserve.

Ran it for 2.5hrs last night motox/grass track coaching session and I still have half a tank left.
Will have to see what sort distance it was vs fuel useage see if it has improved any.