Yamaha ATV 1986-1988 YFM 225 Moto-4 Repair Manual

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This manual covers the YFM 225 Moto-4 all-terrain vehicle (ATV) produced from 1986 to 1988. The YFM 225 Moto-4 represents a commitment to reliable and capable powersports vehicles, offering a...

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Taper: Atv

Distributeur:

UGS: 120995

Mots clés: 1986 1987 1988 ATV Moto 4 Models Powersports Yamaha YFM 225 Moto-4

Variantes de produits

Description

This manual covers the YFM 225 Moto-4 all-terrain vehicle (ATV) produced from 1986 to 1988. The YFM 225 Moto-4 represents a commitment to reliable and capable powersports vehicles, offering a robust platform for recreational riding and utility tasks. Known for its solid engineering and user-friendly design, this ATV has earned a reputation for dependability. The Moto-4 line was instrumental in establishing a presence in the ATV market, emphasizing performance and durability for riders. This factory repair manual provides comprehensive coverage for the YFM 225 Moto-4, designed to assist owners and technicians with all aspects of maintenance and repair. It includes detailed procedures for general information, specifications, periodic checks and adjustments, chassis, drivetrain, engine, cooling system, fuel injection, electrical systems, and troubleshooting. With step-by-step guides, diagnostic procedures, and hundreds of diagrams and illustrations, this manual ensures that all maintenance and repair tasks can be performed accurately and efficiently, maintaining the vehicle's optimal performance and longevity.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

YFM 225 Moto-4

Model Nickname:

Moto-4

Vehicle Type:

All-Terrain Vehicle (ATV)

Generation

Production Years Covered:

1986, 1987, 1988

👋 Introduction

Market Position

Target Audience:

Owners of Yamaha YFM 225 Moto-4 ATVs from 1986-1988 seeking to perform maintenance, repairs, and troubleshooting

Competitive Analysis

Distinguishing Features:

Enhanced PDF features including bookmarks, sub-bookmarks, and index for superior navigation compared to basic PDFs or physical manuals

Key Features

Content Authenticity:

Same manual used by professional mechanics

Accessibility:

Instant download and cross-platform compatibility

📋 Manual Details

Coverage Areas

Primary Coverage:

Repair and Service

Page Count

Estimated Pages:

Hundreds (as stated in product description, exact number not specified)

Manual Type

Type:

Factory Repair Manual

Language

Language:

English (implied by technical terms and target market)

Format

Format:

PDF (with Bookmarks, Sub-bookmarks, Index)

Compatibility:

All Windows, All Mac, All Linux

Features

Print Capability:

Printable Pages

Backup Capability:

Burn Backup CD

Usability:

Easy to use, avoids digging through hundreds of pages

Availability

Delivery Method:

Instant Download

Quality

Quality Assurance:

Satisfaction Guaranteed or Money Back

📖 Manual Coverage

Systems Covered

General Information:

Covered

Specifications:

Covered

Periodic Checks And Adjustments:

Covered

Chassis:

Covered

Drive Train:

Covered

Engine:

Covered

Cooling System:

Covered

Fuel Injection System:

Covered

Electrical System:

Covered

Troubleshooting:

Covered

Wiring Diagrams:

Covered

Procedures Included

Maintenance Procedures:

Detailed instructions for routine checks, adjustments, and replacements

Repair Procedures:

Step-by-step guides for component disassembly, inspection, repair, and reassembly

Diagnostic Procedures:

Troubleshooting guides for identifying and resolving common and complex issues

Technical Adjustments:

Precise instructions for adjusting various systems (e.g., carburetor, ignition, suspension)

Technical Depth

Depth Of Coverage:

Comprehensive Factory-Level Detail, suitable for professional mechanics and advanced enthusiasts

Diagrams And Illustrations:

Hundreds of diagrams and illustrations for clarity

📊 Manual Specifications

File Format

Digital Format:

Searchability:

Searchable text (implied by modern PDF features and bookmarks)

Print Quality

Printability:

High-quality, printable pages

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, SOHC (Single Overhead Camshaft), single-cylinder (estimated based on typical Yamaha 225cc engines of the era)

Displacement:

223cc (approximate, standard for YFM225 models)

Bore X Stroke:

Specific values to be found within the manual (typical for 223cc engines might be around 67mm x 64mm)

Performance

Horsepower:

Specific values to be found within the manual (likely in the 15-20 HP range)

Torque:

Specific values to be found within the manual

Fuel System

Fuel Delivery:

Fuel Injection System (as specified in content list)

Cooling System

Cooling Method:

Air-cooled (typical for this era and displacement, though liquid cooling is possible and would be detailed in the manual)

Ignition System

Ignition Type:

CDI (Capacitor Discharge Ignition) (typical for the era, details in manual)

🔧 Transmission

Standard

Transmission Type:

Automatic with Torque Converter, Multi-Speed (e.g., 3-speed or 4-speed) with Reverse (standard for Moto-4 models)

Features

Drive System:

Shaft drive to rear wheels (likely 2WD for this model, confirmed in manual)

Gear Ratios:

Detailed in manual

Fluid Specifications

Transmission Fluid Type:

Specific type (e.g., Yamalube or equivalent) detailed in manual

📐 Dimensions

Exterior

Overall Length:

Specific dimensions to be found in manual

Overall Width:

Specific dimensions to be found in manual

Overall Height:

Specific dimensions to be found in manual

Weights

Dry Weight:

Specific weight to be found in manual (likely around 200-230 kg)

Ground Clearance:

Specific clearance to be found in manual

🛡️ Safety Features

Ratings

Safety Standards:

ATV safety guidelines of the era, as detailed in manual's general information

Active Features

Braking System Front:

Drum or Disc (specified in manual, likely drum on early models, disc on later ones)

Braking System Rear:

Drum or Disc (specified in manual)

Passive Features

Lighting:

Headlight, Taillight, Brake light (as per ATV regulations)

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic ATV of the era, no digital infotainment)

Driver Assistance

Driver Assistance Features:

N/A (Basic ATV, focus on mechanical systems)

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Interval Engine:

Specific interval (e.g., every 1000 km or annually) detailed in manual

Air Filter Cleaning:

Recommended intervals for cleaning or replacement detailed in manual

Spark Plug Replacement:

Recommended interval and type detailed in manual

Fluid Specifications

Engine Oil Type:

Specific viscosity grade (e.g., SAE 10W-30 or 20W-40) and API service classification detailed in manual

Engine Oil Capacity:

Specific capacity in liters or quarts detailed in manual

Coolant Type:

If liquid-cooled, type and capacity detailed in manual

Brake Fluid Type:

DOT 3 or DOT 4 (typical, but specific type confirmed in manual)

Known Issues

Common Wear Items:

Tires, brake pads/shoes, chain (if applicable), bearings, and filters are common wear items needing regular inspection and replacement. Specific known issues for the YFM225 would be detailed in the troubleshooting section.

Technical Specifications

Tire Pressure Front:

Specific PSI to be found in manual

Tire Pressure Rear:

Specific PSI to be found in manual

Valve Clearances Intake:

Specific cold or hot clearances detailed in manual

Valve Clearances Exhaust:

Specific cold or hot clearances detailed in manual

📚 Vehicle History

Brand Heritage

Yamaha Powersports:

Yamaha has a long history in powersports, known for innovation and reliability in motorcycles and ATVs since the 1950s.

Model Evolution

Moto 4 Line:

The Moto-4 line was Yamaha's entry into the utility and recreational ATV market, focusing on reliable performance and ease of use. The YFM 225 was a popular model in this early series.

Production

Manufacturing Location:

Likely Japan or USA (typical for Yamaha ATVs of this period, details may be in manual)

🏆 Awards & Recognition

Recognitions

Industry Recognition:

The Yamaha YFM 225 Moto-4 was generally well-regarded for its reliability and capabilities within its class at the time of its release. Specific awards are not detailed in the product information but implied by its inclusion in a professional mechanic's manual.