41100-ZVP-701ZA Gear Nh565 Case - Overview. The 41100-ZVP-701ZA Gear Nh565 Case is a critical component of Honda marine engine systems. This gear case supports the transmission system by housing the gears that facilitate mechanical motion and torque transfer essential for outboard motor performance. Designed with precision, it ensures seamless integration with existing parts, maintaining optimal performance and durability within Honda outboard systems.. Key Features. Genuine OEM gear case specif