The Yanmar 4JM-TE is a marine diesel engine designed for marine propulsion. This operation manual provides comprehensive information for owners and operators of this reliable engine. Its robust engineering ensures dependable performance in demanding marine environments, making it a suitable choice for various watercraft applications. This manual serves as an essential guide for understanding and maintaining your Yanmar 4JM-TE engine. It covers critical areas such as engine specifications, installation, operation, storage, and routine maintenance. Detailed troubleshooting procedures are included to assist in resolving common issues, ensuring your engine remains in optimal working condition.