13111-GS7-000 Piston Pin - Overview. The 13111-GS7-000 Piston Pin is an essential part of Honda marine engine systems. It connects the piston to the connecting rod, enabling the pivotal articulation necessary for converting the piston's linear motion into rotational motion of the crankshaft. Engineered for durability and precision, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Connects the piston to the connecting rod, providi