This manual covers Westerbeke Marine Gasoline Generators, specifically the single-phase models including 6.5KW SBCG-60HZ, 5.4KW SBCG-50HZ, 5.0KW SBCG-60HZ, and 4.2KW SBCG-50HZ. These generators are engineered for reliable performance in marine environments. The Westerbeke brand is recognized for its commitment to quality and durability, providing essential power solutions for maritime applications. This comprehensive Service/Repair/Workshop Manual in English provides detailed information for maintaining and repairing your Westerbeke generator. It includes extensive sections on engine testing and adjustments, fuel system procedures, electrical component testing, generator service, and detailed engine disassembly and assembly instructions with exploded views. Furthermore, the manual offers wiring diagrams, special tool listings, technical data such as hardware torques and service limits, and information on emissions and catalyst replacement. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their marine gasoline generators.