Adjust the air/fuel idle screw on your Honda Ruckus PC20 Carburetor without having to use a screwdriver. This will help you adjust on the fly. Available in a variety of colors
Applications:
Keihin PC20 type carburetor,
Honda Ruckus PC20 Carburetor
Honda Metropolitan PC20 Carburetor
the most common carburetor upgrade on the factory Honda Ruckus engine.