Yamaha Motor Co., Ltd. 4X7-14925-26-00 Carburetor Main Jet

Description:

The Yamaha 4X7-14925-26-00 Main Jet #126 is used in carburetor fuel systems to regulate fuel flow at mid to high throttle ranges for proper air-fuel mixture. Commonly installed in Yamaha motorcycles and small engine assemblies where precise fuel metering is required for optimal combustion performance and engine efficiency. Maintenance teams and system integrators use this part for replacement, repair, or tuning to restore fuel delivery accuracy, improve throttle response, and ensure stable engine operation.

Applications:

The Yamaha 4X7-14925-26-00 Main Jet #126 is applied in motorcycle carburetor assemblies, controlling fuel flow through the main circuit during higher engine speeds. It is commonly used in maintenance, repair, and tuning projects requiring OEM-compatible carburetor jet components.

Technical Specifications:

• Manufacturer Part Number (MPN): 4X7-14925-26-00
• Brand: Yamaha
• Product Type: Main Jet
• Size: #126
• Material: Brass (OEM grade)
• Function: Regulates fuel flow in carburetor main circuit
• System: Carburetor / fuel system
• Flow Rating: Calibrated orifice size (#126)
• Compatibility: Yamaha motorcycles (model-specific fitment)
• Precision: High-accuracy fuel metering
• Installation: Threaded insertion into carburetor

Common Replacements:

• Yamaha 4X7-14925-25-00 Main Jet (#125)
• Yamaha 4X7-14925-27-00 Main Jet (#127)
• Yamaha 4X7-14925-28-00 Main Jet (#128)