92101-06140-4J hex (6x140) bolt - Overview. The 92101-06140-4J hex (6x140) bolt is an essential fastening component used primarily in Honda marine engine systems. It functions as a hex head bolt with a 6mm head size and 140mm length, playing a critical role in securing various parts such as the stern bracket on Honda 5hp 4-stroke marine engines. Designed to meet factory specifications, this bolt ensures seamless integration with existing parts, maintaining optimal performance and durability.. Ke