Oversized Big Bore Gasket Set (Top) Honda CR250R 1986-1991
73mm Athena P400210600251
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, Enduro GP. 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 off-road brands. This ensures perfect compatibility with OEM specifications, allowing for precise installation and consistent performance over time.
- Gaskets tested in MXGP, AMA, EnduroGP championships
- Perfect fit with OEM off-road engine specs
- All key top end seals included
- Engineered to withstand extreme off-road conditions
