Model Variant:
6KHL-STN marine diesel engine
Production Years Covered:
Production years vary by serial number; consult the manual's serial number range tables
Product Type:
Downloadable service and repair manual
Delivery Method:
Instant download after purchase
Target Audience:
Marine technicians, marine engineers, boatyards, and DIY owners performing service and repair
Market Position:
Yanmar 6KHL-STN marine diesel engine, a six-cylinder commercial and pleasure-craft power plant
Key Features:
Yanmar industrial diesel design, six-cylinder inline configuration, marine cooling and exhaust systems, serviceable components
Content Type:
Factory-style service, repair, and overhaul procedures
Use Case:
Routine maintenance, troubleshooting, component repair, and engine overhaul
Coverage Areas:
Engine mechanical, fuel system, cooling system, lubrication, electrical, and marine accessories
Manual Type:
Service repair manual
Delivery Method:
Instant download
Page Count:
N/A - page count not specified for this listing
Organization:
System-based sections with procedures, specifications, and illustrations
Searchability:
Text-searchable PDF
Safety Warnings:
Included
Engine Identification:
Model and serial number locations and interpretation
General Specifications:
Included
Torque Specifications:
Included
Service Tools:
Special tools and equipment referenced where required
Cylinder Head and Valve Train:
Inspection, removal, disassembly, and reassembly procedures
Cylinder Block:
Inspection and overhaul procedures
Pistons, Rings, and Connecting Rods:
Inspection and assembly procedures
Crankshaft and Main Bearings:
Inspection, clearance checks, and installation
Camshaft and Timing:
Timing gear or timing procedure details
Engine Assembly:
Complete engine assembly and adjustment procedures
Fuel Injection Pump:
Service and repair procedures
Fuel Injectors:
Testing and adjustment
Fuel Filters and Lines:
Service and replacement
Governor:
Adjustment and service where applicable
Seawater Pump:
Inspection and service
Freshwater Pump:
Inspection and service
Heat Exchanger:
Cleaning and service
Thermostat:
Testing and replacement
Lubrication System:
Oil pump, relief valve, and oil cooler service
Electrical and Marine Systems
Starting System:
Starter motor service
Charging System:
Alternator service
Instrumentation:
Senders, gauges, and alarm circuits
Marine Gear and Drive:
Marine transmission service references where covered
Technical Depth:
Component-level procedures with measurements, clearances, and specifications
Parts Information:
Component identification and reference information for ordering replacement parts
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Family:
Yanmar 6KHL series marine diesel
Configuration:
Inline six-cylinder, four-stroke, water-cooled diesel
Displacement:
N/A - verify by serial number in the manual specification tables
Bore and Stroke:
N/A - verify by serial number in the manual specification tables
Aspiration:
Naturally aspirated or turbocharged depending on the 6KHL variant; confirm in the manual
Rated Output:
Varies by rating and application; confirm in the manual specification tables
Rated Speed:
Varies by rating and application; confirm in the manual specification tables
Fuel System:
Direct injection diesel with mechanical fuel injection pump
Standard Transmission:
Marine reduction gear matched to the 6KHL-STN; exact ratio depends on vessel application
Optional Transmission:
Various marine gear ratios available; exact optional ratios not specified for this listing
Features:
Forward, neutral, and reverse shifting through a marine gearbox; service refe rences provided where covered
Control Type:
Mechanical or electronic marine control head depending on installation
Propeller Shaft:
Connected through the marine reduction gear output flange
Length:
N/A - overall dimensions not specified for this listing; verify in the manual
Width:
N/A - not specified for this listing; verify in the manual
Height:
N/A - not specified for this listing; verify in the manual
Wheelbase:
N/A - not applicable to a marine engine
Dry Weight:
N/A - exact dry weight depends on configuration; verify in the manual specification tables
Curb Weight:
N/A - not applicable to a marine engine
Alarm Circuits:
Engine protection alarm circuits for coolant temperature and oil pressure where fitted
Shutdown Protection:
Optional automatic shutdown systems available depending on installation
Starting Safety:
Neutral start protection depends on the marine control system installed
Manual Safety Warnings:
Included throughout the manual
Crash Ratings:
N/A - not applicable to a marine engine
Fuel Control:
Mechanical fuel injection pump with governor control
Monitoring:
Analog or digital instrument panel depending on vessel installation
Charging:
Alternator charging system for vessel battery bank
Instrumentation:
Tachometer, temperature, oil pressure, and hour meter circuits where fitted
Oil and Filter Change:
Typically every 250 hours or annually; confirm the interval for the specific engine and operating conditions in the manual
Fuel Filters:
Typically every 250 to 500 hours; confirm in the manual
Seawater Pump Impeller:
Typically every 500 hours or annually; confirm in the manual
Valve Clearance:
Typically checked every 500 hours; confirm in the manual
Engine Oil:
Refer to the manual for the recommended viscosity and API classification for the operating climate
Coolant:
Refer to the manual for the recommended freshwater coolant mixture
Fuel:
Diesel fuel meeting the manual's specification
Common Wear Items:
Seawater pump impellers, fuel and oil filters, belts, and anodes
Corrosion:
Marine environment requires attention to cooling system components and electrical connections
Manufacturer:
Yanmar Co., Ltd., Japan
Heritage:
Yanmar is a long-established manufacturer of industrial and marine diesel engines
Marine Market:
Yanmar engines are widely used in commercial, fishing, and pleasure craft
Series:
6KHL series marine diesel engines
Production Location:
N/A - production location not specified for this listing
