160 main, red #4, 45 pilot will be better. You need a richer pilot to help with the leaner needle of the red. 42 pilot works better with a blue rich needle. My bike even runs good with a 48 pilot in the summer but the idle runs on the rich side which is good for real hot days to keep the engine cooler. I like you have rejetted so many times it becomes ridiculous. But after 3 months of jetting experience early last year I now jet for the conditions and smile. Find out what your bike likes and then run with it for the weather. Dont be afraid to run richer on the pilot.