Rudy Gomez posted an answer for this Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer:
"It's not carb or gas. You need the PacMan adjusting tool to adjust air intake, sold only..."
Rudy Gomez posted an answer for this Ryobi Garden:
"Thanks for answers. I ordered Ryobi PacMan adjusting tool on Amazon or $10, followed..."