Moose Racing M810670 Top End Gasket Kit 2002-2024 Yamaha YZ250 YZ250X

Give your YZ250 the seal of champions. The Moose Offroad M810670 Top End Gasket Kit is built for riders who want bulletproof sealing and race-ready performance without paying high prices. Designed for 2002–2024 Yamaha YZ250 and 2016–2024 YZ250X, this kit is the ultimate OEM Replacement that packs everything you need for a top-end rebuild—no last-minute parts runs and no guesswork. Moto-House MX provides this kit to ensure your engine stays sealed tight under the most demanding conditions.

Moose uses high-tech gasket materials to deliver unmatched reliability and a Heavy Duty, perfect fit. This kit features a .012" high-compression base gasket, engineered to provide Racing Performance by adding extra power without the need for costly pistons or head work. Whether you are replacing a piston or freshening things up before race season, this USA-made kit offers the quality and consistency you can trust for motocross, GNCC, or desert racing.

Top Features: Moose Racing M810670 Top End Gasket Kit

• Complete Rebuild Set: Includes every essential gasket, O-ring, and seal required for a comprehensive top-end overhaul.
• High-Compression Base Gasket: Features a .012" thickness to increase engine compression and overall power output.
• Comprehensive Components: Includes the head gasket, base gasket, exhaust gasket, tensioner gasket, and valve seals.
• USA-Made Quality: Manufactured in the United States to ensure strict quality control and superior material durability.
• Cost-Effective Performance: Offers a professional-grade alternative to factory parts without sacrificing engine integrity.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2002-2024	Yamaha	YZ250
2016-2024	Yamaha	YZ250X

Frequently Asked Questions

Q: Will this fit my 2005 YZ250?
A: Yes, this kit is designed to fit all Yamaha YZ250 models from 2002 through 2024, as well as the YZ250X from 2016-2024.

Q: Does it include the valve cover gasket?
A: No, the formed rubber valve cover gasket is not included in this specific top-end kit.

Q: Can I use this kit for professional racing?
A: Absolutely. The included high-compression base gasket is specifically designed to enhance performance for competitive racing environments.

Upgrade Your YZ250 and give your Yamaha the professional seal it deserves!

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.