Yanmar Marine Diesel Engine 6LYA-UTE 6LYA-STE Service Repair Workshop Manual

🏷️ Basic Information

Make:

Yanmar

Model:

6LYA-UTE / 6LYA-STE

Engine Type:

Marine Diesel, 4-stroke cycle

Model Variant:

6LYA-UTE and 6LYA-STE

Production Years Covered:

N/A - not specified for this manual

👋 Introduction

Target Audience:

Marine technicians, boatyards, fleet operators, and DIY owners servicing Yanmar 6LYA-series marine diesel engines

Application:

Inboard marine propulsion for recreational and light commercial vessels

Key Advantage:

Factory-authorized service procedures and specifications in a single PDF, reducing reliance on dealer-only information

Engine Architecture:

Inline 6-cylinder, turbocharged and intercooled

Fuel System:

Direct injection common rail

Cooling:

Closed-loop freshwater cooling with heat exchanger

📋 Manual Details

Coverage Areas:

General inspection, fuel injection equipment, intake and exhaust system, lubrication system, cooling system, reduction reversing gear, remote control, electrical system, disassembly and reassembly, troubleshooting

Page Count:

N/A - not specified for this product

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

PDF

Delivery:

Instant download

Binding:

Digital

Compatibility:

Windows and Mac

Printable:

Yes

📖 Manual Coverage

General Inspection:

Included

Fuel Injection Equipment:

Included

Intake and Exhaust System:

Included

Lubrication System:

Included

Cooling System:

Included

Reduction Reversing Gear:

Included

Remote Control:

Included

Electrical System:

Included

Disassembly and Reassembly:

Included

Troubleshooting:

Included

Adjustments:

Included

Diagnostic Procedures:

Included

Specifications:

Torque values, clearances, and wear limits

Diagrams:

Exploded views and component illustrations

Schematics:

Electrical wiring diagrams

Measurements:

Metric and imperial units

Component Identification:

Part names and locations

Part Numbers:

N/A - not specified for this model

📊 Manual Specifications

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 Specifications

Engine Configuration:

Inline 6-Cylinder

Aspiration:

Turbocharged and Intercooled

Bore:

98 mm (3.86 in)

Stroke:

110 mm (4.33 in)

Displacement:

6.5 L (397 cu in)

6LYA-UTE Power:

315 mhp (311 bhp / 232 kW) @ 3300 RPM

6LYA-STE Power:

355 mhp (350 bhp / 261 kW) @ 3300 RPM

Fuel Injection Type:

Direct Injection, Common Rail

Lubrication System Type:

Forced Lubrication (Wet Sump)

Cooling System Type:

Closed-loop, Freshwater Cooling with Heat Exchanger

🔧 Transmission

Type:

Reduction and Reversing Gear

Gear Ratios:

Refer to specific gearbox documentation within the manual

Optional Gearbox:

N/A - not specified for this model

Control System:

Remote control system covered in manual

📐 Dimensions

Wheelbase:

N/A - not applicable to marine engines

Length:

N/A - not specified for this manual

Curb Weight:

N/A - not specified for this manual

🛡️ Safety Features

Crash Test Information:

N/A - not applicable to marine engines

Engine Protection:

Low oil pressure and high coolant temperature alarms covered in manual

Shielding:

N/A - not specified for this model

💡 Technology Features

Audio System:

N/A - not applicable to marine engines

N/A:

Not applicable to marine engines

🔧 Maintenance

Service Interval Oil Change:

Refer to manual for specific intervals and recommendations

Oil Capacity:

Refer to manual for specific oil capacity and type recommendations

Coolant Type:

Refer to manual for specific coolant specifications

Common Wear Items:

Impeller, filters, belts, and hoses require regular inspection

📚 Vehicle History

Manufacturer:

Yanmar Co., Ltd.

Evolution:

N/A - not specified for this manual

Production Location:

N/A - not specified for this manual

🏆 Awards & Recognition

Awards:

N/A - not specified for this model or era