Yamaha 810-14521-00-00 Carburetor Air Adjusting Screw

Description:

The Yamaha 810-14521-00-00 Carburetor Air Adjusting Screw is a tuning component used in small engine carburetor air-fuel mixture systems. Commonly installed in Yamaha carburetors for motorcycles, snowmobiles, and small engines to regulate airflow and optimize combustion. Maintenance teams and technicians use this part for fine adjustment, repair, and replacement of worn or damaged mixture screws to restore proper engine performance.

Applications:

The Yamaha 810-14521-00-00 Carburetor Air Adjusting Screw is used in Yamaha carburetor assemblies where precise control of the air-fuel mixture is critical for engine efficiency. It is commonly found in small engine platforms such as motorcycles, vintage snowmobiles, and utility equipment, allowing technicians to fine-tune idle performance and throttle response. This component is essential during carburetor tuning, rebuilds, and maintenance to ensure smooth engine operation and fuel efficiency.

Technical Specifications:

• Brand: Yamaha
• Part Number: 810-14521-00-00
• Product Type: Carburetor air adjusting screw
• Function: Adjusts air-fuel mixture ratio within carburetor
• Application: Carburetor tuning and fuel delivery system
• Fitment: Yamaha small engines (model-specific compatibility required)
• Material: Precision-machined metal screw (typically brass or steel)
• Mounting Location: Carburetor body (air mixture adjustment port)
• Adjustment Type: Manual screw adjustment for idle and mixture tuning
• System Role: Controls airflow to optimize combustion efficiency
• OEM Status: Genuine Yamaha replacement component

Common Replacements:

• Yamaha 810-14521-01-00
• Yamaha 807-14521-00-00
• Yamaha 834-14521-00-00