Moose 0934-5361 Top End Gasket Kit 2015-2024 KTM/Husqvarna/Gas Gas 250

Give your 250cc 4-stroke the seal it deserves during your next piston service. The Moose Offroad Top End Gasket Kit is the ultimate OEM Replacement for riders performing routine maintenance or a full performance refresh. Designed for total reliability and performance, this kit ensures your combustion chamber remains airtight, preventing power loss and ensuring Moto-House MX customers get the most out of every ride.

Engineered and made in the USA, this kit features high-tech materials designed for an accurate fit and maximum durability. This performance-oriented set includes every gasket, O-ring, and seal required for a top-end rebuild—including valve seals, head, base, exhaust, and tensioner gaskets. For riders looking for an extra edge, this high-compression kit utilizes a precision .012" base gasket to effectively raise compression without the high cost of aftermarket pistons or cylinder head machining.

Top Features: Moose 0934-5361 Top End Gasket Kit

• High-Compression Performance: Includes a .012" base gasket designed to raise compression for increased racing performance.
• Complete Top-End Set: Comes with the head gasket, base gasket, exhaust gasket, valve seals, and all necessary O-rings.
• Made in the USA: Manufactured with premium materials to ensure a professional-grade seal and long-term durability.
• Cost-Effective Power: A proven way to boost engine response and compression at a fraction of OEM cost.
• Piston-Ready Design: Specifically curated for riders performing a piston replacement or top-end inspection.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2016-2022	KTM	250 SX-F / 250 XC-F
2016-2022	Husqvarna	FC 250 / FE 250
2021-2023	Gas Gas	MC 250F / EX 250F
2023-2024	Gas Gas	EC 250F
2017-2022	KTM	250 EXC-F / Six Days
2019	KTM	Freeride 250 F
2015	KTM	250 SX-F Factory Edition

Frequently Asked Questions

Q: Does this kit include the valve cover gasket?
A: No, this kit does not include the formed rubber valve cover gasket; please reuse your existing one if it is in good condition or purchase one separately.

Q: Will the high-compression base gasket require me to run higher octane fuel?
A: While designed to raise compression, most riders find it works well with standard high-quality 91-93 octane pump gas, though racing performance is best achieved with consistent fuel quality.

Q: Are the valve seals included in this top end kit?
A: Yes, valve seals are included, which is essential for preventing oil from leaking into the combustion chamber during high-RPM use.

Upgrade Your Ride today at Moto-House MX!

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