The Throttle Lever Wheel Gear 663-42138-00 is specifically designed for 2T outboard with horsepower ranging from 48 to 90HP. This boat motor part ensures installation and function, allowing for consistent power control in various marine applications. Constructed to withstand the rigors of marine environments, this gear mechanism supports smooth throttle adjustments, making it an essential component for any boating enthusiast looking to enhance their outboard engine's functionality. your boat motor with this throttle lever wheel gear for improved throttle response and control.