Thanks teazer.teazer wrote: ↑Wed Mar 24, 2021 1:44 pm It does sound like it's lean on the main jets and that suggests either restrictions in the fuel flow, low float levels or something blocked in the carbs.
Is there a Dyno shop anywhere close to you? I would tie it to a dyno and see what's going on with the air:fuel. If it's going lean, it should be obvious.
If there's no dyno close by, pull the carbs again. Check FUEL level - you will need an adapter and length of clear tube.
You could also check fuel flow. Pull the feed tube off the carb bank and stick it into a container then turn the fuel tap to PRIME and let it flow for at least a minute. See if it keeps flowing strongly or if flow tapers off to a dribble. The filter of the fuel tap could be partially blocked or there could be a partial blockage in the tap.
I also think that the main is lean, though i will admit i would be a little annoyed if i see crap in the bowls.
I had cleaned the tank over 4 days, just so i wouldnt have to run an additional filter affecting fuel flow LoL
I have to put in a new gasket in the petcock anyways, so i will inspect that.
I do have a spare bank of carbs. I will put the spare bowls in my ultrasonic today and may be swap them if need be.
Funny thing is my gt380m is doing the exact same, but i am waiting for a set of air filters for it. LoL