Top End Gasket Kit for Yamaha YFB 250 Timberwolf (1996–1998). Engineered to restore proper sealing and compression in Yamaha's top-end, this aftermarket replacement gasket kit provides precise coverage for the cylinder head and surrounding components. Replaces OEM 5VC-11351-01-00 and 3GH-11181-00-00 to ensure compatibility and reliable performance across 1992–2000 Timberwolf models. Manufactured as an Aftermarket Replacement product to deliver dependable durability and a factory-like fit.

Comprehensive Vehicle Fitment

Product Specifications

OEM & Aftermarket Cross-Reference Information

OEM and aftermarket cross-reference numbers are provided for reference purposes only. These part numbers are commonly referenced for Yamaha top-end gasket sets and may appear across multiple aftermarket suppliers. Always verify fitment using your machine's exact model, year, and original part number before ordering.

What's Included

Based on standard top-end gasket kits for the YFB250 Timberwolf engine, this kit typically includes:

• Cylinder head gasket 

• Cylinder base gasket 

• Cylinder O-rings 

• Related top-end specific seals as required 

Complete gasket kits from manufacturers like Athena and CENTAURO include additional gaskets for a full engine rebuild, while this top-end kit focuses specifically on cylinder head and base sealing components .

Why Choose This Aftermarket Top End Gasket Kit?

• Direct-Fit Compatibility: Precision-engineered for Yamaha YFB250 Timberwolf 2WD and 4x4 models spanning 1992 through 2000 .

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

• Proven Aftermarket Support: Multiple respected aftermarket brands manufacture compatible gasket kits:

  • Cometic offers top-end gasket sets (C7254) made in the USA with CFM-20 material, used by professionals worldwide. Their gaskets feature Extreme Sealing Technology (EST) for superior sealing performance .

  • Athena brings over 40 years of experience with gaskets entirely engineered in Italy using latest generation lasers for perfect cutting quality, completely eliminating production burrs .

  • CENTAURO produces complete engine gasket kits in Europe containing everything needed to reassemble the entire engine .

• Complete Rebuild Options: For comprehensive engine rebuilding, complete cylinder kits including piston, rings, and all necessary gaskets are available from manufacturers like ADVANTAGE PARTS (4BD-11310-01-00)  and MarddPair .

• Restores Compression: New head and base gaskets ensure proper cylinder sealing for optimal engine performance.

• Prevents Leaks: Proper sealing prevents oil seepage and maintains clean engine operation.

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.

• Use new gaskets only—do not reuse old gaskets once removed.

• Check valve clearance after head installation and adjust if necessary.

• Verify all components are properly seated before reassembling the top end.

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

• For a complete engine rebuild, consider purchasing a full gasket kit that includes all engine gaskets and seals .

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 YFB250 Timberwolf engine's sealing integrity with this quality aftermarket top end gasket set, designed to keep you riding with confidence.

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