OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Trimmers and Brushcutters Two Stroke Trimmers & Brushcutters Ryobi trimmer stalls when taken off choke

Here is the plug covering the idle mixture adjustment on your carburetor, circled in red:


Here is approximately what you will find under that plug (this is from the Walbro WY manual) circled in yellow, with some adjustment information for when you put it back in:


It would be a good idea to record where the adjustment is currently set, before you unscrew the needle. And be gentle with that needle.