646-14613-00 Yamaha GASKET

Yamaha exhaust pipe gasket sealing the connection between exhaust manifold and discharge piping in outboard motor exhaust systems. Prevents exhaust gas escape and seawater intrusion into the exhaust passage. Used across Yamaha outboard model range including 2-stroke and 4-stroke variants. Replacement recommended during exhaust system service or when exhaust system leaks are evident. Proper sealing essential for efficient engine operation and preventing saltwater corrosion of internal exhaust components.