Top End Gasket Kit; KTM 250 SX-F 2023

Description

Athena’s Top End Gasket Kits for offroad applications are engineered to meet the demands of motocross, enduro, and ATV/UTV riders who push their machines through mud, sand, dust, and extreme heat. These kits are the go-to solution for riders and mechanics who demand reliability, precision, and durability in every ride.

Race-proven technology for real-world performance

Athena supports top teams in the world’s toughest championships—MXGP, AMA Supercross, Pro Motocross, EnduroGP. Gaskets are tested on track by professional riders and refined through direct collaboration between Athena’s R&D department and race engineers. The same technology used in competition is made available to all riders.

Direct collaboration with leading OEM manufacturers

Athena has long-standing partnerships with the most respected European and Japanese offroad brands. This ensures perfect compatibility with OEM specifications, allowing for precise installation and consistent performance over time.

Complete top end sealing solution

Each Offroad Top End Kit includes all essential gaskets for the cylinder unit, such as head, base, exhaust gaskets, O-rings, and washers. Every component is selected to withstand the mechanical and thermal stress typical of offroad riding.

Advanced design and total quality control

Athena gaskets are developed using 2D/3D modeling, Fuji Paper and Tin Testing, FEM simulations, and validated on static and dynamic test benches. Multi-layer embossing is optimized for uniform compression and perfect sealing—even after hours of extreme use.

Gaskets tested in MXGP, AMA, EnduroGP championships

Perfect fit with OEM offroad engine specs

All key top end seals included

Engineered to withstand extreme offroad conditions

Features & benefits

• Gaskets are tested on track and refined through direct collaboration between Athena's R&D department and race engineers
• Developed with factory teams in MXGP and AMA Supercross, Pro Motocross, and EnduroGP
• Perfect fit with OEM offroad engine specifications
• Perfect interchangeability with the original

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.