Compatible with OEM part numbers: 4XE135860000, 932103553700, 913170602000, 904504900100. Designed as a direct replacement for the Bear Tracker YFM250 models from 1999 to 2004. No modifications are needed, making installation quick and hassle. Key Features and Benefits: Ensures a secure, airtight seal between the carburetor and intake manifold, preventing air leaks that can reduce engine performance. Restores fuelair mixture delivery, helping maintain smooth acceleration, consistent power output, and improved reliability. Precisionmatched dimensions for fit, guaranteeing compatibility with specified models and part numbers. Manufactured to meet OEM quality standards for durability and long service life. Practical Applications: 1. Ideal for repairing or restoring YFM250 engines where the original carburetor joint, gasket, or related parts have worn, cracked, or failed. 2. Useful for routine maintenance to prevent future performance issues caused by air intake leaks. 3. Effective for troubleshooting poor idle stability, loss of power, or irregular throttle response linked to intake sealing problems. Before ordering, verify your ATV's model year, part number, and compare provided product images to ensure correct fit and function. This part offers a reliable solution for maintaining or restoring peak performance in your Bear Tracker YFM250 without requiring additional modifications.