Yamaha - Acceleration Link 6J8-41211-00-00. Overview. The Yamaha Acceleration Link 6J8-41211-00-00 is one of those small linkage parts that makes a big difference in how your throttle actually feels on the water. When it starts to wear or loosen up, you'll notice hesitation or uneven response when you push the throttle. This piece keeps the connection between your control and engine movement smooth and consistent. If your throttle isn't reacting the way it used to, this is often a good place to start.. Key Features. • Precise Throttle Transfer - Ensures smooth and accurate movement from throttle input to engine response.. • OEM Fit Precision - Built to match Yamaha linkage geometry for proper alignment and operation.. • Consistent Engine Response - Helps eliminate hesitation or lag during acceleration.. • Durable Marine Construction - Designed to handle vibration, motion, and harsh marine environments.. Compatibility. Compatible with select Yamaha outboard engines using this throttle l