This manual covers the Yanmar Mase IS 5.0 and IS 6.0 marine diesel generator sets. These units are engineered for reliable power generation in marine environments, with the IS 5.0 model providing 5 kVA and the IS 6.0 model offering 6 kVA of power. They feature a raw water-cooled system typical for marine applications and operate on a 120V/240V AC output at 60 Hz, powered by a 12V DC starting battery. While specific production years are not detailed, this manual is designed to support these robust generator sets.

This comprehensive Full Service & Repair Workshop Manual in English provides essential information for maintaining and repairing your Yanmar Mase generator set. It details critical procedures, including scheduled maintenance, lubrication, filtration, and cooling system servicing. The manual also covers troubleshooting common issues and understanding error codes, offering step-by-step guidance for owners and technicians. By following the instructions within this manual, you can ensure the optimal performance and longevity of your generator set.