Yamaha - Reed Set Intake System 6E0-W0004-00-00. Overview. Reeds are one of those parts you don't see, but you definitely feel when they're not right. On a 2-stroke Yamaha, they control how air and fuel enter the engine, and worn or chipped reeds can throw everything off. I've seen motors lose throttle response or run rough just from tired reeds not sealing properly. Replacing them brings back crisp response and helps the engine breathe the way it should.. Key Features. One-Way Intake Control - Regulates air and fuel flow into the engine for proper combustion.. Responsive Reed Action - Opens and closes quickly to support smooth throttle response.. Durable Reed Material - Built to handle constant flexing and long-term engine operation.. OEM Fitment Design - Matches original specifications for proper sealing and easy installation.. Engine & Boat Compatibility. Designed for Yamaha 2-stroke outboard engines with reed valve intake systems. Commonly used on smaller to mid-range horsepower mo