ITEM NAME:NiceCNC Air Fuel Mixture Screw Adjuster For Keihin FCR carburetor Useful v Descriptio n material: metal Colour: Red Size: 55mm Weight: 10g Product list: adjusting screw *1 spring *1 washer *1 O-ring *1 MainKey1: Adjust Fuel Mixture Screw MainKey2: Carburetor Fuel Mixture Adjust Screw MainKey3: Carburetor Air Fuel Mixture Adjuster Screw MainKey4: Fuel Mixture Screw MainKey5: Adjust Screw Description: Comes complete with new fuel screw spring, washer, and O-ring. Easy grip knob with etched numbers for simple and accurate adjustments. Made of CNC aluminum alloy for strength and anti-corrosion. It is durable and not easy to fade. For Keihin FCR Carburetors, for Yamaha, for Honda Dirt Bike Carburetors. Package Includes: 1 Piece Adjust Fuel Mixture Screw 1 Piece Screw Spring 1 Piece Washer 1 Piece O-ring Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail. We offer you what you need! Drum Gear Box with cover for 2 Stroke Engine 47cc 49cc Mini Pocket Useful.For Keihin FCR Carburetors, for Yamaha, for Honda Dirt Bike Carburetors. Carburetor Air Fuel Mixture Adjuster Screw. Carburetor Fuel Mixture Adjust Screw. Adjust Fuel Mixture Screw. Fuel Mixture Screw.