I have a suzuki lt 125 and whenever I start the engine the idle goes out of control can someone help me?

 

Check for an air leak around the carb and intake, or a stuck choke?

 

adjust ur idle screw I'm betting on that

 

i found out there was an o-ring missing from the end of the pilot screw

 

explains it ....maybe

 

nope it wasnt the pilot screw. where would there be an air leak?

 

Like Dunbar said check adjust the idle screw after it is started and warm. If this does not change anything make sure your choke is not on or stuck on. IF this still does not fix the problem, check for air leaks by spraying with starting fluid or carb cleaner around the intake connections. to each side of carb and around carb in general. If there is a leak the idle should change. Maybe there is a tear in the intake tube? These are all stabs in the dark since we do not have much info to work with. Let us know. what happens.