Hey gents

Quick question for you, not sure if I am over thinking this. Picked up a dyno jet kit for my 2010 Sportsman 400. It says optimum main jet is 160 (157.5 stock) I am running oversized tires with stock muffler at 2000′ alt in temps about 5F and warmer.

Question is should I increase the other jets in there as well. Can’t remember the name of it but there is another jet (160 stock) should I bump that up to 165? Kit instructions don’t say anything about it.

I guess since I have you here, any opinions on drilling out the slide?

Thanks in advance

Soup