jetting help fast!

[HiperEX]

well im tryin to get my quad jetted for cold weather in the 30 degree mark, right now i have summer jetting , it runs good untill at about 3/4 throttle and up im running a 38mm mikuni with 380 main right now should i bump the jetting up or drop i also removed the airbox lid so im stumped what i should jet at

[Coyoteman]

Cold weather is leaning your mixture, bump up the main one size at a time till you get it right. Air box lid off will require more fuel as well.

[HiperEX]

do u think ill need alot of jets? i was thinkin gettin a 390,400, and 410

[Coyoteman]

I would try a 385, 390, 395.