Complete Gasket Kit for Yamaha YFM 250 (FW and X) covering 1999–2004. This aftermarket replacement gasket set is designed to restore seal integrity and support reliable engine performance during rebuilds and routine maintenance. Each gasket is engineered to fit precisely within Yamaha's YFM250 engines, enabling dependable operation across the 1999–2004 model years.

Comprehensive Vehicle Fitment

 

Product Specifications

 

OEM & Aftermarket Cross-Reference Information

 

What's Included

Based on standard complete gasket kits for the YFM250 engine, this kit typically includes:

• Cylinder head gasket (replaces OEM 3GH-11181-00-00)

• Cylinder base gasket (replaces OEM 5VC-11351-01-00 / 4BD-11351-00-00)

• Valve cover gasket

• Crankcase cover gaskets (replaces OEM 4BD-15451-01-00)

• Clutch cover gasket (replaces OEM 4BD-15462-00-00)

• Stator / magneto cover gaskets

• Water pump seals and gaskets

• Intake and exhaust gaskets

• Valve stem seals

• All necessary O-rings and seals for a complete engine overhaul

Note: Athena complete gasket kits include all gaskets for complete engine overhaul, utilising advanced laser cutting technology for high precision and purity, completely eliminating production burrs .

Why Choose This Aftermarket Gasket Kit?

• Direct-Fit Compatibility: Precision-engineered for Yamaha YFM250 Bear Tracker 2WD/4x4 and Hunter Edition models spanning 1999 through 2004, with confirmed fitment from multiple aftermarket suppliers .

• OEM Cross-Reference: Cross-references genuine Yamaha part numbers 3GH-11181-00-00 (cylinder head gasket), 5VC-11351-01-00 (base gasket), and 4BD-15462-00-00 (clutch cover gasket) for confident replacement .

• Proven Aftermarket Support: Leading aftermarket brands including Athena, Centauro, and NICHE manufacture compatible gasket kits for these models, validating extensive aftermarket support for the YFM250 platform.

• Premium Materials: Athena gaskets feature high precision cutting with latest generation lasers, completely eliminating production burrs, and undergo alignment of reliefs to increase elasticity during operation, guaranteeing excellent grip over time even in extreme conditions . Athena has over 40 years of experience and directly supplies the world's most important motorcycle manufacturers .

• Complete Overhaul Solution: Unlike partial kits, this complete gasket set includes everything needed for a full engine rebuild, supporting both top-end and bottom-end sealing requirements.

• Restores Engine Integrity: Comprehensive sealing prevents compression loss, oil seepage, and contamination, maintaining clean engine operation and optimal performance.

Installation Notes:

• Ensure all mating surfaces are clean and free from old gasket material before installation.

• Follow manufacturer torque specifications and tightening sequences for cylinder head bolts and case fasteners as outlined in the Yamaha service manual. Yamaha recommends using only genuine parts for replacements, but aftermarket gaskets of this quality provide a reliable alternative .

• Replace all gaskets, seals and O-rings when overhauling the engine. All gasket surfaces, oil seal lips and O-rings must be cleaned .

• After installation, run the engine and check for any signs of leaks.

• Verify your exact model and year against the fitment table to ensure compatibility with your engine configuration.

Why Upgrade?
Worn or damaged gaskets can cause compression loss, oil leaks, and contamination—leading to poor performance and potential engine damage. Restore your Yamaha YFM250 Bear Tracker engine's sealing integrity with this quality aftermarket complete gasket set, designed to keep you riding with confidence.

Order your complete gasket kit today and get back on the trail with confidence.