Yamaha - Gear assy, starting motor - 6AW-81807-00-00Yamaha Starting Motor Gear Assembly Starting System Component 6AW 81807 00 00 Overview When the engine doesnt crank the way it should, this gear assembly is often part of the issue. It connects the starter motor to the engine so everything turns over clean and strong. If its worn, youll hear slipping or grinding instead of a solid crank. Ive seen starting problems clear up instantly after replacing a worn gear assembly like this. Key Features Starter