Got 2nd in 2 stroke 251cc+ would've gotten first and ran a lot better in other classes but my jetting was rich. I tuned it the night before in 65-70 degree weather with zero humidity, race day was 88 and high humidity. I also changed my oil and fuel ratio the day of the race, went from supreme 112 and dominator mixed 25:1 to supreme 112 and maxima 927 castor mixed 32:1. I should've moved my needle clip up one but didn't think to do it until I got home.