Cometic C7088 O-Ring Head Top End Gasket Kit for Yamaha YZ250

The Cometic C7088 is a complete O-ring head top-end gasket kit engineered for precision sealing and superior durability in high-performance two-stroke engines. This comprehensive kit includes all the essential gaskets, seals, and O-rings needed for a complete top-end rebuild.

Kit Includes:

• Base gasket constructed from foam-coated aluminum for superior conformability
• Power valve gaskets (2) for reliable sealing of power valve components
• Intake reed gasket for proper reed valve sealing
• 228 Viton O-ring for heat and fuel resistance
• 76mm x 2mm Viton O-ring for critical sealing applications
• 110mm x 2mm Buna-N O-ring for durable, oil-resistant sealing

Advanced Materials Technology:

Cometic gaskets utilize cutting-edge materials specifically engineered for each sealing application. The base gasket features a foam-coated aluminum construction that provides excellent conformability to sealing surfaces while maintaining structural integrity under extreme heat and pressure. Viton O-rings offer exceptional resistance to high temperatures, fuels, and oils, while Buna-N O-rings provide reliable, cost-effective sealing for less demanding applications.

This kit meets and exceeds OEM specifications, ensuring proper fit and reliable performance. Made in the USA with materials designed to withstand the rigors of high-performance powersports engines, the C7088 provides the critical seal necessary for optimal engine operation.