14510-ZY6-003 Cam Chain Tensioner - Overview. The 14510-ZY6-003 Cam Chain Tensioner is a critical component within Honda marine engine systems. It ensures the correct tension of the camshaft chain, which is vital to maintaining precise timing and smooth engine operation. As part of the engine's valvetrain system, this tensioner contributes directly to the durability and reliability of the engine by preventing slack, reducing noise, and avoiding premature wear of the cam chain and associated comp