This high-quality throttle control box is a direct replacement for Yamaha outboard engines. Compatible with Yamaha model 703 side mounted pull to open throttle controls, it allows for smooth and precise control of your engine's speed from the helm. The durable aluminum housing and corrosion resistant components ensure this throttle control box will withstand the marine environment for many years of boating. Inside, precision potentiometers accurately translate handle movement to throttle position to give you exact control over your engine. Simple installation utilizes the existing wiring harness and mounting points for a plug-and-play replacement. Whether you need an upgrade or your original is showing signs of wear, this affordable replacement from MvpYaoBaiGe restores like-new throttle response and reliability.