This manual provides comprehensive service and repair information for the Hino W04C-TI marine engine. Engineered for reliability and performance in marine applications, the W04C-TI is designed to meet the demanding requirements of various watercraft. Its robust construction and advanced technology ensure efficient operation and longevity, making it a trusted choice for marine propulsion. This guide covers all aspects necessary for maintaining and repairing this specific engine model. The purpose of this manual is to serve as a definitive resource for owners, technicians, and mechanics. It details essential maintenance procedures, troubleshooting guides for common issues, and in-depth repair instructions. With clear, step-by-step guidance, numerous illustrations, and precise technical specifications, this manual empowers users to perform all necessary servicing, from routine checks to complex overhauls. Adhering to the information within will help ensure the optimal performance and extended service life of your Hino W04C-TI marine engine.