HOW TO ADJUST POULAN MODEL 2150 CHAINSAW CARBURETOR. These are just suggestions, others might do it differently. Be Careful doing this. IF YOU SCREW IN THE LOW SCREW IT WILL RUN LEANER. UNSCREW THE LOW SCREW AND IT WILL RUN RICHER. USE THE HIGH SCREW TO SET IDLE AND ALSO TOP END. DON'T FORGET THE IDLE ADJUST SCREW, THE BIG SCREW, TURN IT IN FOR FASTER IDLING AND TURN OUT FOR LOWER IDLE.
