41100-ZVL-702ZB Gear NH565 Case - Overview. The 41100-ZVL-702ZB Gear NH565 Case is a vital component in Honda marine engine systems. It serves as the gear case assembly that houses the gears responsible for transmitting power from the engine to the propeller. This part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Honda OEM gear case designed specifically for the NH565 system.. Facilitates power transmission in Honda mari