Almost any Carburetor is about 2 '12 Turns out "Sometimes 3". Or another way to do it is to Start the Quad "Warm it up" let it idle as you turn the Screw just till the engine almost dies "Or dies" and then do half a turn back out restart it if it stalled and you should be good. Also for an Online PDF this one is good for your year also. I'll leae a Link below.
A forum community dedicated to Honda TRX ATV owners and enthusiasts. Come join the discussion about reviews, modifications, classifieds, troubleshooting, maintenance, and more! Open to all models across the 500, 400, 300, and 200 series.