Suzuki LTF250 LT4WD LTF4WDX Quad Runner 250 Complete Workshop Service Repair Manual 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998

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Type: Atv

Vendor:

Sku: 96782

Tags: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 Atv LT4WD LTF250 LTF4WDX Misc Motorcycles Quad Runner 250 Suzuki

Product variants

Description

The Suzuki Quad Runner 250 series, encompassing models like the LTF250, LT4WD, and LTF4WDX, represents a robust line of mid-size utility All-Terrain Vehicles (ATVs) produced from 1987 to 1998. These ATVs were engineered to provide reliable performance for a variety of tasks, including recreational trail riding, light agricultural work, and general utility applications. Known for their durable air-cooled, single-cylinder engines, a versatile 4-speed semi-automatic transmission with an automatic clutch, and the availability of 2WD and selectable 4WD drivetrains, the Quad Runner 250 series offered a practical and capable solution that competed effectively in its market segment, earning a reputation for ruggedness and value. This comprehensive workshop service repair manual offers detailed guidance for the mechanical, electrical, and bodywork systems of the Suzuki LTF250 Quad Runner 250 series. Covering over 500 pages, it provides in-depth information on engine overhaul, transmission and driveline maintenance, chassis and suspension servicing, and electrical system diagnostics, including comprehensive wiring diagrams. The manual includes step-by-step repair procedures, maintenance schedules, troubleshooting guides, and technical specifications, equipping owners, mechanics, and technicians with the necessary knowledge to maintain, diagnose, and repair these ATVs effectively, ensuring their longevity and optimal performance.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

Quad Runner 250

Model Variants:

LTF250, LT4WD, LTF4WDX

Applicable Years:

1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998

Codes

Chassis Codes:

LTF250, LTF250F

👋 Introduction

Market Position

Quad Segment Role:

The Suzuki Quad Runner 250 series, particularly the LTF250, LT4WD, and LTF4WDX models, were positioned as reliable and capable mid-size utility ATVs, well-suited for recreational trail riding, light farm work, and general utility purposes.

Competitive Analysis

Key Competitors:

Competed against similar offerings from Honda (e.g., TRX250 FourTrax), Yamaha (e.g., YFM250 Moto-4), and Kawasaki (e.g., KLF220 Bayou).

Key Features

Drivetrain Options:

Offered both 2WD and selectable 4WD (LT4WD, LTF4WDX) variants, providing versatility for different terrain conditions.

Transmission Type:

Featured a robust 4-speed semi-automatic transmission with an automatic clutch, simplifying operation for a wide range of riders.

Engine Configuration:

📋 Manual Details

Coverage Areas

Manual Coverage Scope:

Comprehensive mechanical, electrical, and bodywork systems of the Suzuki LTF250 Quad Runner 250 series.

Page Count

Estimated Page Count:

Manual Type

Manual Classification:

Complete Workshop Service Repair Manual

Language

Primary Language:

English

Format

Digital Format:

PDF (Downloadable)

📖 Manual Coverage

Systems Covered

Engine And Powertrain:

Engine overhaul, cooling system, lubrication system, fuel system, ignition system, exhaust system, transmission (4-speed, automatic clutch), driveline, final drive.

Chassis And Suspension:

Front suspension (MacPherson strut), rear suspension (swingarm, single shock absorber), steering system, wheels, tires, brakes (front disc, rear drum).

Electrical System:

Battery, charging system (stator, regulator/rectifier), starting system, lighting system (headlights, taillight, brake light), instrumentation, wiring diagrams, fuses, relays.

Bodywork And Plastics:

Frame, body panels, fenders, seat, handlebars, controls, plastics care and repair.

Procedures Included

Maintenance Tasks:

Regular inspection, oil changes, filter replacements, spark plug service, brake adjustments, chain maintenance, lubrication points.

Troubleshooting Guides:

Step-by-step diagnostic procedures for common and uncommon issues, fault finding charts, symptom-based troubleshooting.

Repair Procedures:

Detailed instructions for disassembly, inspection, repair, and reassembly of all major components and systems.

Adjustment And Calibration:

Carburetor tuning, valve clearance adjustment, brake bleeding, clutch adjustment.

Technical Depth

Diagnostic Level:

Advanced diagnostics, including component testing, electrical circuit analysis, and fuel system analysis.

Rebuild Capability:

Complete engine rebuild procedures, transmission overhaul, and suspension component refurbishment.

Special Tools:

Identification of required special tools for specific repair procedures.

📊 Manual Specifications

File Format

Document Type:

Digital Document (PDF)

Print Quality

Resolution And Clarity:

High-resolution images, clear diagrams, and readable text optimized for digital viewing and printing.

Binding Type

Digital Binding Equivalent:

Navigable sections with bookmarks and hyperlinks (typical for quality PDF manuals).

Paper Type

Digital Paper Equivalent:

Optimized for screen display and standard printer paper.

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, 4-stroke, SOHC, single-cylinder

Displacement:

246 cc (250 class)

Bore X Stroke:

Approximately 69.0 mm x 64.4 mm (specifics may vary slightly by exact sub-model)

Compression Ratio:

Approximately 9.2:1

Performance

Horsepower:

Estimated 15-18 HP (at approximately 6500 RPM, varies by year/tune)

Torque:

Estimated 14-16 lb-ft (at approximately 4500 RPM, varies by year/tune)

Fuel System

Carburetor Type:

Mikuni VM series (e.g., VM30SH or similar single downdraft carburetor)

Fuel Type:

Unleaded gasoline, 87 octane (minimum)

🔧 Transmission

Standard

Transmission Type:

Constant mesh, 4-speed sequential, semi-automatic with automatic clutch

Reverse Gear:

Yes (integrated)

Optional

Drivetrain Options:

2WD (LTF250) and 4WD (LT4WD, LTF4WDX) with selectable 2WD/4WD engagement

Features

Clutch Type:

Automatic centrifugal clutch

Final Drive:

Shaft drive (front and rear)

📐 Dimensions

Exterior

Length:

Approx. 74.2 inches (1885 mm)

Width:

Approx. 41.5 inches (1055 mm)

Height:

Approx. 42.9 inches (1090 mm)

Wheelbase:

Approx. 47.2 inches (1200 mm)

Cargo

Front Rack Capacity:

Approx. 20 kg (44 lbs)

Rear Rack Capacity:

Approx. 40 kg (88 lbs)

Weights

Dry Weight:

Approx. 218 kg (481 lbs) for 4WD models

Fuel Tank Capacity:

Approx. 9.0 L (2.4 US gal)

🛡️ Safety Features

Ratings

Atv Safety Standards:

Compliant with ANSI standards for ATVs (as per typical manufacturer statements of the era).

Active Features

Braking System:

Front: Dual hydraulic disc brakes. Rear: Single hydraulic disc brake (or drum on some early models, check specific year). Independent front brakes for enhanced control.

Throttle Limiter:

Adjustable throttle limiter (thumb throttle) for controlled acceleration.

Passive Features

Lighting:

Halogen headlights, taillight, and brake light for visibility.

Ergonomics:

Handlebar-mounted controls and comfortable seating position designed for rider control.

💡 Technology Features

Infotainment

Display Features:

Basic instrument cluster including speedometer, odometer, neutral indicator, and high beam indicator.

Driver Assistance

Traction Control:

None inherent to the design, relies on rider skill and 4WD system.

Connectivity

Charging Port:

Typically no integrated USB or 12V accessory ports; manual may cover installation of aftermarket accessories.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 1000 km (600 miles) or 6 months, whichever comes first.

Air Filter Cleaning Or Replacement:

Every 500 km (300 miles) or more frequently in dusty conditions.

Spark Plug Replacement:

Every 3000 km (2000 miles) or annually.

Valve Clearance Check:

Every 3000 km (2000 miles).

Fluid Specifications

Engine Oil Type:

API SE, SF or SG grade SAE 10W-30 or 20W-40 motorcycle specific engine oil (check manual for exact recommended viscosity based on temperature).

Engine Oil Capacity:

Approx. 1.7 L (1.8 US qt) with filter change.

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid.

Transmission Fluid Type:

API GL-4 SAE 80W-90 gear oil for the transmission and final drive (separate reservoirs).

Known Issues

Carburetor Clogging:

Common with older ATVs due to fuel varnish; requires periodic cleaning and adjustment.

Recoil Starter Wear:

The pull-start mechanism can wear over time; the electric start system is generally more reliable.

Suspension Bushings:

Wear in suspension bushings and ball joints can lead to steering looseness and noise.

Electrical Connector Corrosion:

Exposure to elements can cause corrosion in electrical connectors, leading to intermittent faults.

📚 Vehicle History

Brand Heritage

Suzuki Atv Legacy:

Suzuki has a long-standing reputation for producing durable and capable ATVs, with the Quad Runner line being foundational to their success in the off-road market.

Model Evolution

Quad Runner 250 Development:

The 250cc Quad Runner series represented a significant step in Suzuki's ATV development, offering a balance of power, utility, and 4WD capability that appealed to a broad consumer base.

Production

Manufacturing Region:

Primarily manufactured in Japan by Suzuki Motor Corporation.

Production Run:

This generation of the Quad Runner 250 was produced from 1987 through 1998, indicating a successful and well-received platform.

🏆 Awards & Recognition

Recognitions

Market Perception:

The Quad Runner 250 series was generally well-regarded for its ruggedness, reliability, and value for money within its segment.

Ratings

Durability Assessment:

Recognized for its durable powertrain and chassis, making it a popular choice for extended use and as a reliable workhorse.

Certifications

Emission Standards:

Compliant with applicable emission standards for the years of production in its primary markets.