2009 EC300, also chasing jetting
Brand new bike, came with N1EF needle also clip in top grrove, not happy about that, yes it seemed to run best that way but not good enough, I've spent lots of time richening and leaning both pilot and main jet, to no avail, and I have a JD kit on order, I see the jetting database is fairly stagnant for newer models, but there are tonnes of helpful posts here to watch and learn from. I'll post back here If the JD kit helps, I will likely not stop there though, I will order in some of the various Keihin needles and experiment.
My bike has mediocre power down low (good enough but not crisp) a very crisp mid range, snappy even. but if I turn the throttle past 3/4 it falls flat, to recover you must roll back to 3/4 and upshift (if you still want to go faster).
this is more than enough power for trail riding because I'm never revving it in the bush/ trees, but when you get out in the open for a minute it sucks.
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