jet or main

Pulled the carbs on an 01 Vmax project ive been working on (previous owner let it sit for 5-6 years), cleaned em out and replaced parts with fresh carb kits. Everything is back together and running, she pulls great right up until about 4k. It doesnt die, but the power band drops off...

I have a 1985 Yamaha Vmax with Dale Walker exhaust. I got the bike from a good friend that had pasted away. The Max is in near perfect condition.This is my 4th vmax. It had a bad flat spot at 7000 rpm and had a hard time pulling more rpm. I took it too a guy in my town that is very good with...