Need help?Do you have a question about the Yanmar 6BY3-260 and is the answer not in the manual?
Record engine details for service and literature.
General safety guidelines for operation, maintenance, and repair.
Identifies safety decals on the engine with corresponding part numbers.
Overview of BY3-series engines, design, and use in pleasure craft.
Procedures for proper break-in of new YANMAR diesel engines.
Illustrates and labels key components of 4BY3 and 6BY3 engine models.
Shows the location of engine data and drive information nameplates.
Explains the function of key engine components like filters, coolers, and turbochargers.
Diesel fuel specifications, approved types, and usage precautions.
Acceptable engine oil types and viscosity based on ambient temperature.
Specifications for marine gear and stern drive oils.
Lists acceptable engine coolants and procedures for adding coolant.
Step-by-step guide for starting the engine, including cold weather.
Procedures for normal and emergency engine shutdown.
Post-operation checks for fuel, seawater, and coolant levels.
Importance of maintenance, daily checks, and using genuine parts.
Maintenance items and intervals (50, 250, 500, 1000, 2000 hours).
Inspection and maintenance of emission control related parts.
Instructions for draining the fuel filter/water separator.
Specific maintenance tasks after the first 50 hours.
Maintenance tasks every 50 hours or monthly.
Maintenance tasks every 250 hours or yearly.
Maintenance tasks every 500 hours or 2 years.
Maintenance tasks every 1000 hours or 4 years.
Maintenance tasks every 2000 hours or 8 years.
Safety advice before starting troubleshooting procedures.
Checks for common issues immediately after engine start.
Information needed for dealer troubleshooting assistance.
Lists problems, causes, and actions for troubleshooting.
Procedures to protect engine during extended non-use.
Instructions for draining the seawater cooling system.
Detailed technical specifications for BY3-series engines.
Details EPA warranty for YANMAR engine emission control systems.
Owner responsibilities and YANMAR's warranty commitments.
Owner's role in maintenance and warranty claim initiation.
Contact information for warranty and dealer assistance.
Logbook for recording engine maintenance dates and procedures.
To Next Page
General
