Menu
0
0
Your shopping cart
😊 Product added to cart successfully   Product removed to cart successfully
Your shopping cart is empty!
Continue shopping
USD $
1 2

Yanmar 3ym20 Marine Diesel Engine Workshop Service Repair Manual

$16.99
$16.99
🏷️ Basic Information Identification Make: Yanmar Model: 3YM20 Model Variant: 3YM20 marine diesel engine Production Years Covered: 2000s–2010s production range; specific years not stated in the manual Engine Type: Naturally...
16 people are viewing this right now
Type: Engine
Vendor:
Yanmar
Sku: 91004
Tags: 3ym20 Engine Inboard Engines Marine Yanmar YM Series
Yanmar 3ym20 Marine Diesel Engine Workshop Service Repair Manual
🏷️ Basic Information
Identification
Make:
Yanmar
Model:
3YM20
Model Variant:
3YM20 marine diesel engine
Production Years Covered:
2000s–2010s production range; specific years not stated in the manual
Engine Type:
Naturally aspirated, 3-cylinder marine diesel
Platform:
Yanmar YM series marine diesel
👋 Introduction
Market Position
Target Audience:
Boat owners, marine mechanics, and technicians servicing Yanmar marine diesel engines
Application:
Auxiliary propulsion and auxiliary power for sailboats and small motorboats
Competitive Advantage:
Compact, lightweight, reliable naturally aspirated design with widely available parts support
Key Features:
20 HP output, indirect fresh water cooling, forced lubrication, robust marine-grade construction
📋 Manual Details
Publication
Manual Type:
Workshop Service Repair Manual
Language:
English
Format:
PDF digital download
Delivery Method:
Instant download
Binding:
Digital
Page Count:
N/A - not specified in the source description
Printable:
Fully printable from Windows and Mac systems
📖 Manual Coverage
Systems Covered
General Information:
Specifications, identification, and service data
Engine Mechanical:
Cylinder head, block, piston, and crankshaft service
Engine Electrical:
Starting and charging systems, sensors, and wiring
Fuel System:
Fuel injection pump, injectors, and fuel lines
Cooling System:
Fresh water and raw water cooling circuit service
Lubrication System:
Forced lubrication circuit, oil pump, and oil filter
Emission Control:
Emission-related components and adjustments
Troubleshooting:
Diagnostic procedures for common engine faults
Procedures Included
Step-by-Step Repair:
Detailed disassembly, inspection, and reassembly procedures
Wiring Diagrams:
Electrical schematics for engine circuits
Adjustments:
Valve clearance, injection timing, and belt adjustments
Specifications:
Torque values, clearances, and service limits
Additional Coverage
Parts Information:
Component identification and replacement guidance
Technical Depth:
Factory-level service and repair detail
📊 Manual Specifications
File & Compatibility
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 & Binding
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:
Naturally aspirated, 3-cylinder diesel
Displacement:
0.57 L (570 cc)
Rated Power:
20 HP (14.7 kW) at 3200 RPM
Cooling:
Indirect fresh water cooling
Lubrication:
Forced lubrication system
Fuel System:
Indirect injection diesel fuel system
Engine Options Range:
No alternative ratings listed for this model
🔧 Transmission
Marine Drive
Standard Transmission:
Marine gear reduction transmission (ratio varies by installation)
Optional Transmission:
N/A - transmission options depend on boat builder specification
Features:
Direct-coupled marine gearbox with forward, neutral, and reverse
📐 Dimensions
Exterior
Wheelbase:
N/A - not applicable to a marine engine
Length:
N/A - overall engine dimensions not specified in the source description
Width:
N/A - not specified in the source description
Height:
N/A - not specified in the source description
Weights
Curb Weight:
N/A - dry engine weight not specified in the source description
🛡️ Safety Features
Safety
Crash Test Ratings:
N/A - not applicable to a marine engine
Active Features:
Alarms for low oil pressure and high coolant temperature
Passive Features:
Engine stop solenoid and shielding for exposed moving parts
💡 Technology Features
Engine Electronics
Infotainment:
N/A - not applicable to a marine engine
Driver Assistance:
N/A - not applicable to a marine engine
Instrumentation Support:
Compatible with tachometer, hour meter, and warning lamp panel
Charging:
Alternator charging system for vessel batteries
🔧 Maintenance
Service
Service Intervals:
Routine oil, filter, impeller, and fuel filter service; follow the manual schedule for this model
Engine Oil:
Marine diesel engine oil meeting the manufacturer viscosity recommendation
Coolant:
Fresh water coolant mixture per manufacturer specification
Common Wear Items:
Impeller, fuel and oil filters, belts, and zinc anodes
Known Issues:
Cooling and fuel system faults common to marine diesel installations
📚 Vehicle History
Heritage
Manufacturer:
Yanmar Co., Ltd.
Brand Heritage:
Yanmar is a long-established Japanese diesel engine manufacturer
Model Evolution:
Part of the YM series marine diesel line
Production Location:
N/A - plant of manufacture not specified in the source description
🏆 Awards & Recognition
Recognition
Model Awards:
N/A - specific awards not documented in the source description
Era Recognition:
Recognized for reliable, compact marine diesel performance
  • Instant digital delivery Access your manual right after checkout — nothing to ship
  • Secure checkout Payments handled by Shopify's protected checkout
  • Workshop-grade documentation Service, repair and owner manuals organised by make and model
  • Human support support@emanual.com · Mon–Fri, 10:00–18:00 HKT
Sale
View full product details →

Unavailable

Sold Out