Yamaha - Injector - 6EK-13761-00-00Yamaha Intake Manifold Gasket Air Intake Sealing 6EK 13761 00 00 6EK 13761 01 00 Overview Gaskets arent the most exciting parts, but when one fails, youll know it quickrough idle, poor performance, or air leaks that throw everything off. Ive replaced plenty of these on Yamaha setups, and its one of those fixes that can bring an engine right back to life. This gasket sits right where airflow matters most, so it needs to seal clean and tight every time.