The YANMAR 6LYA-STE is a robust diesel engine designed for demanding applications. This inline 6-cylinder powerhouse features a turbocharged and intercooled aspiration system, delivering approximately 315 mhp (310 hp / 232 kW) at 2100 RPM. With a bore of 4.72 inches and a stroke of 4.92 inches, its 8.57 L displacement is optimized for efficiency and performance. The engine utilizes direct injection with a high-pressure common rail fuel system and a forced lubrication system, ensuring reliability and longevity. Its integrated reduction and reversing gearbox further enhances its versatility. This comprehensive Service Repair Workshop Manual provides essential information for maintaining and repairing the YANMAR 6LYA-STE engine. It covers a wide range of topics, including general servicing, inspection of basic engine parts, fuel injection equipment service, oil change procedures, and air filter replacement. The manual also includes detailed technical specifications, troubleshooting guidance, and wiring schematics. This resource is invaluable for owners, mechanics, and technicians seeking to ensure the optimal performance and extended service life of their YANMAR diesel engine.