Questions & Answers for: thumb screw ATVs

screw should be about 2 turns out to give you a staring point. 4. Make sure you have free play in your throttle cable. You should be able to move the thumb lever a fair amount before it starts to open

...end. Topping out at about 8mph. check to see if the throttle governor screw is set to far in not alowing you to press throttle all the way in it should be on your handle bar were the thumb throttle ...

Where's the idle screw on a Suzuki LTZ 400 ATV? probably comes off the carb and has a thumb screw

do I need a special screwdriver to adjust the carb on a 2006 Kawasaki bayou 250. not idling right after cleaning. no. idle is a thumb screw on the side of the carb. (I think, mine was an older model)

...it thoroughly. It is staying open. https://www.google.com/search?q=Suzuki+KingQuad+500+that+surges+at+idle .. adjust the thumb throttle till normal not loose then adjust idle screw on carb till ...