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PICKED UP 1980 YAMAHA ENTICER 340 FOR FREE![:D] LOOKS LIKE NEW! GOT RUNNING FOR $100.00, WHAT IS THE SET SCREW ON TOP OF CARB SUPPOSED TO BE SET TO? I HEARD CLOCKWISE TO A STOP THEN BACK OFF 2 TURNS![?]
 

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Hi there,
The screw on top of the carb is the idle mixture adjustment. You want to warm the sled up then adjust the screw till you get the best idle and take off without any sputtering. Turning it in leans it and out richens it. Start at 1 1/2 to 2 turns out from lightly seated
 
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