YANMAR 6LY SERIES MARINE DIESEL WORKSHOP SERVICE REPAIR MANUAL COVERING ALL 6LY SERIES ENGINES. MOST COMPREHENSIVE ON TRADEBIT 6LYM-UTE / 6LYM-STE 6LY3-ETP / 6LY3-STP / 6LY3-UTP 6LY2-STE / 6LY2A-STP / 6LYA-STP This service manual has been compiled for engineers engaged in sales, service, inspection and maintenance. Use this manual as a handy reference in daily inspection and maintenance, and as a text for engineering guidance.