The exhaust valve seat is a crucial component in a motorcycle's engine. It is a machined surface in the cylinder head where the exhaust valve makes contact to seal the combustion chamber. The exhaust valve seat ensures a tight seal when the valve is closed, preventing exhaust gases from escaping and maintaining optimal engine performance. Made from durable materials like hardened steel or nickel-based alloys, it withstands high temperatures and pressure. Proper maintenance and machining of the exhaust valve seat are essential for efficient engine operation and longevity.

Important Notice

For engine with white Lexmoto Logo on clutch cover