How do you adj carb on 50cc Yamaha?

To adjust the carburetor on a 50cc Yamaha, locate the adjustment screws—typically the idle and mixture screws. Start by warming up the engine, then adjust the idle screw to achieve a stable idle speed. Next, fine-tune the mixture screw by turning it slowly while listening for the engine's response; aim for the highest RPM before richening the mixture. Always refer to the specific model's service manual for detailed instructions and specifications.