90001-ZM7-000 Connecting Rod Bolt - Overview. The 90001-ZM7-000 Connecting Rod Bolt is an essential fastener in Honda marine engine systems. It securely attaches the connecting rod to the crankshaft, playing a crucial role in the engine's mechanical motion and power transfer. Designed to meet exact factory specifications, this bolt ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. High-quality OEM component specifically engineered fo