How do you adjust idle on Yamaha vino 125?

To adjust the idle on a Yamaha Vino 125, locate the idle speed adjustment screw, which is typically found on the carburetor. Start the engine and allow it to warm up, then use a screwdriver to turn the idle screw clockwise to increase the idle speed or counterclockwise to decrease it. Aim for an idle speed of around 1,200 to 1,500 RPM for optimal performance. Always ensure the scooter is on a level surface and the engine is running smoothly before making adjustments.