Adjust Carburetor On Troy Bilt Trimmer. Tighten down your carburetor and tune up your carburetor adjust the outside screw first that is your throttle screw then once a full revs adjust the inside screw to where you want the max revs to be We drained and refilled using the listed steps, oil fill window and measured and it ran fine.
Additional information about the unit can be found on our website at www.troybilt.com or www.troybilt.ca. Adjust the idle setting let the trimmer's throttle go. How to set up your tb80 ec string trimmer.