How do you adjust idle on a Yamaha 1200XLwaverunner?

To adjust the idle on a Yamaha 1200 XL Waverunner, locate the idle adjustment screw, typically found on the throttle body or near the carburetors. Start the engine and allow it to reach operating temperature. Then, use a screwdriver to turn the idle adjustment screw clockwise to increase the idle speed or counterclockwise to decrease it, ensuring it idles smoothly at the recommended RPM specified in the owner's manual. Always make small adjustments and test the idle after each change.