14520-ZV5-000 Tim Blt Adj Spring - Overview. The 14520-ZV5-000 Tim Blt Adj Spring is a critical component in Honda marine engine systems, specifically designed to support the timing belt adjustment system. Its primary role is to maintain correct tension on the timing belt, ensuring accurate timing and smooth operation of the engine's mechanical system. This spring ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda pa