41131-ZY6-000 Pinion Gear - Overview. The 41131-ZY6-000 Pinion Gear is a critical component in Honda marine engine systems. This pinion gear plays a crucial role in transmitting rotational power efficiently from the engine drive shaft to the propeller, enabling smooth propulsion. Designed to meet stringent factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM Honda Pinion Gear designed specifically for Hond