90601-ZY3-030 Tube (D10.5) Clamp - Overview. The 90601-ZY3-030 Tube (D10.5) Clamp is a vital component for Honda marine engine systems. This clamp is designed specifically to secure tubes with a diameter of 10.5mm, playing a crucial role in the rigging and accessories system of the engine. It ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. 10.5mm diameter tube clamp designed to provide secure and stable tube mounting within Honda m