Next week, yes, pretty close
Sigh... OK, SteveJ, this is going to be hard for me. I'm a sedate, quiet, 2000RPM kind of guy. I'm not sure I can count up to 3000. But I'll give it a try. North of 6k you say ?? This is going to take a culture shift for me. But I get the Ninja heritage part, and I totally understand under-lubrication: if anything will do it, that will certainly convince me to spin it harder.
Nobody as yet has thought that there are any other problems with it: it cranks, starts, and idles perfectly well, and as you predict it behaves decently at 3000 and above, so I don't suspect valves, cams, ignition, or anything major-mechanical.
OK, so when she comes back from the shop with clean carbs and a new set of plugs I'll treat her like I dream of treating the wife for the rest of the season and ship the naughty bits off to SISF when the snow falls.
6000RPM.... this is definitely going to raise eyebrows in my neighborhood... I wonder what it'll do to my love life...