your bike has 40's in it? not 42's? the pilots are usually good for upwards to about 1/4 throttle, but they do provide fuel through the whole rpm range, and you are correct a smaller jet will overall have a liener setting then the larger jet (all settings being equal). what mains are you running

2007 Speedmaster and miss it! 2013 T-Bird Storm and Luvin it! Catching a yellow jacket in your shirt at 70 mph can double your vocabulary