jetting help

[2000-banshee]

i need some help on jetting for winter right now i am 240 mains no air box lid k&n stock pipes and its bored .20 over elevation is 500-1000 temp would be 35-20 thanks

[TJ10]

I would say if your jetted in right now, maybe go 1 or 2 sizes larger on the mains depending on the temp you're tuned in for. Before I did any mods I have run mine below 10 degrees without rejetting. Once you add more mods it reacts to changes more though.