When I changed to the NECW alone, it felt a lot cleaner though most of the range. Nothing to substantial but I could definitely tell by the seat of the pants.
My bike also runs best at around 2 turns out on the mixture screw but I am running 1 1/2 till I get it sorted.....I don't want to lean the sucker.
My bike is still running fat and burbling up top, sometime this week I'm changing from a 172/42 down to 170/40 to see what happens.
If your 2 turns out on the pilot, maybe drop it down to a 40 and try to get the mixture screw to around 1 turn.
All that said, my bike is an ec not a gp.
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