ATV Yamaha YFM225 Owner Manual

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Stichworte: Atv Marine Sterndrive Yamaha YFM225

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Beschreibung

Welcome to the comprehensive owner's manual for the YFM225 Moto-4, an all-terrain vehicle renowned for its ruggedness and reliability. Produced approximately between 1986 and 1988, this 2WD ATV features a capable 222cc air-cooled, 4-stroke engine with a 5-speed transmission and reverse, making it suitable for recreational riding, light trail exploration, and general utility tasks. Its classic design and dependable performance have made it a respected machine in the entry-level to mid-range ATV segment. This manual provides essential information to ensure the safe and optimal operation of your YFM225 Moto-4. It covers critical areas including pre-ride inspections, basic maintenance procedures, fluid specifications, and guidance on storage. You will also find information on operation of key systems such as the engine, fuel, transmission, and brakes, along with basic troubleshooting tips for common issues. This guide is designed to assist owners in maintaining their vehicle and understanding its fundamental functions.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

YFM225 Moto-4

Product Type:

Owner Manual

Product Name:

ATV Yamaha YFM225 Owner Manual Moto 4 225

Codes

Product Code Prefix:

👋 Introduction

Market Position

Segment:

Entry-level to mid-range recreational ATV.

Target Audience:

Recreational riders, general utility use, farms, light trail riding.

Competitive Analysis

Competitors:

Honda FourTrax, Suzuki QuadRunner, Kawasaki Bayou.

Key Features

Engine Type:

Air-cooled, 4-stroke, SOHC.

Drivetrain:

Shaft drive, 2WD.

Transmission:

5-speed with reverse, automatic clutch.

Styling:

Classic Yamaha Moto-4 styling, known for ruggedness.

📋 Manual Details

Coverage Areas

General Coverage:

Comprehensive owner's information for the Yamaha YFM225 Moto-4.

Specific Topics:

Operation, safety, maintenance, specifications, storage, troubleshooting.

Page Count

Estimated Pages:

Approximately 60-80 pages (typical for this model's era).

Manual Type

Type:

Owner's Manual

Language

Language:

English

Format

Format:

Printed (original) / PDF Digital Download (offered)

📖 Manual Coverage

Systems Covered

Engine Operation:

Starting, stopping, idling, cooling system overview.

Fuel System:

Fuel tank operation, fuel cap, fuel recommendations.

Transmission Operation:

Gear selection, operation of forward and reverse gears.

Brakes:

Brake lever operation, parking brake.

Electrical System:

Ignition switch operation, lighting operation (headlights, taillight), battery care basics.

Suspension And Steering:

Basic operation and adjustment (if applicable).

Wheels And Tires:

Tire pressure recommendations, basic inspection.

Procedures Included

Pre Ride Inspection:

Detailed checklist for ensuring safe operation.

Basic Maintenance:

Lubrication points, cleaning procedures, air filter inspection/cleaning.

Storage Procedure:

Guidelines for long-term and short-term storage.

Troubleshooting Basics:

Common issues and their potential solutions (e.g., hard starting).

Technical Depth

Depth:

Owner-level maintenance and operation. Does not cover in-depth mechanical repair or diagnostics.

📊 Manual Specifications

File Format

Digital Format:

Digital Quality:

High-resolution scans for clarity and readability.

Digital Features:

Searchable text (OCR'd where possible), bookmark navigation.

Print Quality

Print Quality:

Professional printing standard (for physical copies).

Binding Type

Binding:

Staple-bound or perfect bound (depending on original publication).

Paper Type

Paper Type:

Durable, semi-gloss paper stock (typical for owner's manuals).

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, air-cooled

Displacement:

222 cc

Bore X Stroke:

66.0 mm x 64.4 mm

Compression Ratio:

9.2:1

Carburetor:

Mikuni VM24SS

Performance

Horsepower Estimate:

Approximately 15-18 HP (estimated, not officially published for all trims)

Torque Estimate:

Approximately 14-16 lb-ft (estimated)

Fuel System

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

2.6 US gal (9.8 L)

Fuel Delivery:

Carburetor

Ignition

Ignition System:

CDI (Capacitor Discharge Ignition)

Cooling

Cooling Method:

Air-cooled

Starting

Starter System:

Electric starter with auxiliary recoil starter

🔧 Transmission

Standard

Transmission Type:

5-speed constant mesh

Clutch Type:

Automatic, wet, centrifugal

Drive System:

Shaft drive

Reverse Gear:

Features

Gear Ratios:

Refer to Service Manual for specific ratios, owner's manual provides operational overview.

📐 Dimensions

Exterior

Overall Length:

73.4 in (1865 mm)

Overall Width:

41.3 in (1050 mm)

Overall Height:

40.9 in (1040 mm)

Wheelbase:

49.2 in (1250 mm)

Weights

Dry Weight:

441 lbs (200 kg)

Ground Clearance:

5.1 in (130 mm)

Towing Capacity

Towing Rating:

Not recommended for towing in most jurisdictions; refer to local regulations and manual for any specified limits.

🛡️ Safety Features

Ratings

Standard Compliance:

Meets ANSI/SVIA 1-2001 and OSHA standards for recreational ATVs.

Active Features

Braking System:

Hydraulic disc front, mechanical drum rear (or dual hydraulic disc depending on year/trim).

Lighting:

Dual headlights, taillight/brake light.

Passive Features

Handlebar Design:

Grips and throttle designed for control.

Operator Safety:

Emphasis on wearing appropriate gear (helmet, eye protection, gloves, etc.).

Warnings

Alcohol Impairment:

Strong warnings against operating under the influence of alcohol or drugs.

💡 Technology Features

Infotainment

Infotainment System:

None (basic functionality).

Driver Assistance

Driver Assistance Features:

None.

Connectivity

Connectivity Options:

None.

🔧 Maintenance

Service Intervals

Initial Break In:

First 10 hours or 100 miles (refer to manual for specific break-in procedures).

Engine Oil Change:

Every 100 hours or 6 months (whichever comes first).

Air Filter Cleaning:

Every 20 hours or 1 month; replace if damaged.

Spark Plug Check:

Every 100 hours or 6 months.

Gear Oil Change:

Every 6 months or 100 hours.

Fluid Specifications

Engine Oil Type:

Yamalube 4 (or SAE 20W-40 API SG or higher).

Engine Oil Capacity:

1.60 US qt (1.5 L) without filter change; 1.70 US qt (1.6 L) with filter change.

Gear Oil Type:

Yamaha Genuine Gear Oil (or SAE 80 API GL-4).

Gear Oil Capacity:

0.16 US qt (0.15 L)

Brake Fluid Type:

DOT 3 brake fluid.

Known Issues

Carburetor Fouling:

Common in older ATVs due to fuel varnish; requires cleaning or rebuilding.

Starter Motor Wear:

Can experience wear over time; check connections and brushes.

Suspension Bushings:

Rubber bushings can degrade, leading to play in steering and suspension.

Electrical Connection Corrosion:

Exposed electrical connectors can corrode, leading to intermittent issues.

Recoil Starter Failure:

The pull-start mechanism can wear out or fail to engage properly.

📚 Vehicle History

Brand Heritage

Yamaha Atv History:

Yamaha has a long history in ATV manufacturing, beginning with the groundbreaking Yamaha YT125 Tri-Moto in the early 1980s, followed by the highly successful four-wheelers.

Model Evolution

Moto 4 Lineage:

The YFM225 is part of Yamaha's early line of four-wheel drive ATVs, predating models like the Warrior and Big Bear. It represented a step towards more utility-focused, reliable machines.

Production

Production Years:

Approximately 1986-1988 (model designation varied slightly across years).

Manufacturing Location:

Japan

🏆 Awards & Recognition

Recognitions

Awards Or Certifications:

As a recreational ATV from its era, it was built to meet industry safety standards rather than receiving specific consumer awards. Its success was based on reliability and value.