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

The Yamaha 4X7-14925-26-00 Main Jet #126 is a brass, OEM-grade carburetor main jet that regulates fuel flow in the main circuit at mid- to high-throttle ranges to maintain a proper air-fuel mixture. Designed for Yamaha motorcycles and small-engine carburetor assemblies, it serves as a replacement or tuning component to restore precise fuel metering, improve throttle response, and promote stable engine operation. Details: MPN 4X7-14925-26-00, Size #126, Material: Brass (OEM grade), Function: Regulates fuel flow in carburetor main circuit, System: Carburetor / fuel system; Compatibility: Yamaha motorcycles (model-specific fitment); Common replacements: 4X7-14925-25-00 (#125), 4X7-14925-27-00 (#127), 4X7-14925-28-00 (#128).