This manual covers the Yanmar 6SY / 8SY STP Marine Diesel engines, known for their robust construction and reliable performance in demanding marine applications. These engines feature advanced technology such as water-cooling, turbocharged aspiration, and direct injection for efficient operation. The 6SY models are in-line 6-cylinder engines with a displacement of 11.7L, while the 8SY models are V-type 8-cylinder engines with a displacement of 15.6L. Their engineering is designed to provide consistent power and durability for various marine vessels.
This comprehensive Workshop Service Repair Manual provides essential information for the maintenance, servicing, and repair of your Yanmar 6SY / 8SY STP Marine Diesel engine. It includes detailed sections on general information, safety instructions, technical data, troubleshooting, engine disassembly and assembly, and system-specific procedures for fuel, intake, exhaust, cooling, lubrication, and electrical systems. Illustrated with pictures and diagrams, the manual offers step-by-step instructions and detailed exploded views, enabling owners and technicians to effectively maintain and repair the engine to ensure optimal performance and longevity.
YANMAR 6SY 8SY STP MARINE DIESEL ENGINE WORKSHOP SERVICE REPAIR MANUAL
System Requirements:
This FILE is compatible with the following operating systems:
Windows 95, 98, 2000, ME, NT, XP, Vista and Windows 7 & 8, 10
Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard
NOTE: You will need Adobe Acrobat Reader to view the document.
Most computers will have this application pre-installed,
but you can download it free from
OPERATIONS MANUAL ALSO INCLUDED WITH THIS MANUAL
APPLICABLE ENGINE MODEL:
6SY-STP2 MARINE DIESEL ENGINE
6SY655 MARINE DIESEL ENGINE
8SY-STP MARINE DIESEL ENGINE
ENGINE COVERED:
11.7L 6-CYLINDER IN-LINE, VERTICAL, WATER-COOLED,
4-STROKE, TURBOCHARGED, DI, DIESEL
15.6L 8-CYLINDER V-TYPE, VERTICAL, WATER-COOLED,
4-STROKE, TURBOCHARGED, DI, DIESEL
CONTENTS:
GENERAL INFORMATION
SAFETY INSTRUCTIONS
MAINTENANCE
TECHNICAL DATA
TIGHTENING TORQUES
FUEL-COOLANT-LUBRICANTS
TROUBLESHOOTING
SPECIAL TOOLS
ENGINE DISASSEMBLY
ENGINE ASSEMBLY
ENGINE TEST & ADJUSTMENTS
ENGINE INSPECTION
FUEL SYSTEM
INTAKE SYSTEM
EXHAUST SYSTEM
REMOTE CONTROL SYSTEM
FUEL INJECTION PUMP
COOLING SYSTEM
LUBRICATION SYSTEM
TURBOCHARGER SYSTEM
AIR CLEANER SYSTEM
STARTER MOTOR SYSTEM
ALTERNATOR SYSTEM
ELECTRICAL SYSTEM
ENGINE BODY SYSTEM
LUBRICATING OIL SYSTEM
BATTERY SYSTEM
SERVICE STANDARDS
WARNING DEVICES
FUNCTION DESCRIPTION
ELECTRICAL COMPONENT
INSTRUMENT PANEL
WIRING DIAGRAM
This is a very comprehensive manual (DOWNLOAD in PDF format) for YANMAR 6SY 8SY STP MARINE DIESEL ENGINE, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles/engines. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
YANMAR 6SY 8SY STP MARINE DIESEL ENGINE WORKSHOP SERVICE REPAIR MANUAL
System Requirements:
This FILE is compatible with the following operating systems:
Windows 95, 98, 2000, ME, NT, XP, Vista and Windows 7 & 8, 10
Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard
NOTE: You will need Adobe Acrobat Reader to view the document.
Most computers will have this application pre-installed,
but you can download it free from
OPERATIONS MANUAL ALSO INCLUDED WITH THIS MANUAL
APPLICABLE ENGINE MODEL:
6SY-STP2 MARINE DIESEL ENGINE
6SY655 MARINE DIESEL ENGINE
8SY-STP MARINE DIESEL ENGINE
ENGINE COVERED:
11.7L 6-CYLINDER IN-LINE, VERTICAL, WATER-COOLED,
4-STROKE, TURBOCHARGED, DI, DIESEL
15.6L 8-CYLINDER V-TYPE, VERTICAL, WATER-COOLED,
4-STROKE, TURBOCHARGED, DI, DIESEL
CONTENTS:
GENERAL INFORMATION
SAFETY INSTRUCTIONS
MAINTENANCE
TECHNICAL DATA
TIGHTENING TORQUES
FUEL-COOLANT-LUBRICANTS
TROUBLESHOOTING
SPECIAL TOOLS
ENGINE DISASSEMBLY
ENGINE ASSEMBLY
ENGINE TEST & ADJUSTMENTS
ENGINE INSPECTION
FUEL SYSTEM
INTAKE SYSTEM
EXHAUST SYSTEM
REMOTE CONTROL SYSTEM
FUEL INJECTION PUMP
COOLING SYSTEM
LUBRICATION SYSTEM
TURBOCHARGER SYSTEM
AIR CLEANER SYSTEM
STARTER MOTOR SYSTEM
ALTERNATOR SYSTEM
ELECTRICAL SYSTEM
ENGINE BODY SYSTEM
LUBRICATING OIL SYSTEM
BATTERY SYSTEM
SERVICE STANDARDS
WARNING DEVICES
FUNCTION DESCRIPTION
ELECTRICAL COMPONENT
INSTRUMENT PANEL
WIRING DIAGRAM
This is a very comprehensive manual (DOWNLOAD in PDF format) for YANMAR 6SY 8SY STP MARINE DIESEL ENGINE, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles/engines. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.
