ok so i pulled my plugs out today after a ride n there is a light brown spot on the ceramic that means i a bit lean right im at 310 main 27.5 pilot i think i gonna try a 320 main and maybe a 30 or a 32.5 pilot my mods r fattys, kn pods,+4 timing cool head 22 cc domes n im at sea level any suggestions i no i need to get my main dialed in first so that will be first on the list. or should i try a 330 n go from there