1987-1992 Suzuki LT 250R ATV Service Repair Manual

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Taper: Atv

Distributeur:

UGS: 111728

Mots clés: 1987 1988 1989 1990 1991 1992 ATV LT 250R Powersports Quadracer Suzuki

Variantes de produits

Description

The 1987-1992 Suzuki LT250R ATV represents a significant chapter in Suzuki's legacy of high-performance off-road vehicles. Engineered as a sport ATV, the LT250R was designed for agility, power, and rider control, making it a competitive machine in its era. Its 2-stroke, liquid-cooled engine, coupled with a 6-speed manual transmission and robust chassis, provided an exhilarating riding experience. This model was a key player in the sport ATV segment, evolving through its production years to offer enhanced performance and rider ergonomics, appealing to enthusiasts seeking a capable and thrilling off-road machine. This comprehensive service repair manual is your definitive guide to maintaining, diagnosing, and repairing your 1987-1992 Suzuki LT250R ATV. Covering everything from general information and periodic maintenance to in-depth engine overhauls, cooling systems, fuel systems, electrical components, and chassis service, this manual provides detailed, step-by-step instructions and diagnostic procedures. With numerous illustrations and diagrams, it empowers owners and technicians alike to perform accurate repairs, troubleshoot common issues, and ensure the longevity and optimal performance of their ATV, offering professional-level guidance for cost-effective maintenance.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT250R

Vehicle Type:

All-Terrain Vehicle (ATV)

Product Name:

1987-1992 Suzuki LT 250R ATV Service Repair Manual

Codes

Included Model Codes:

• LT250RJ (1988)

• LT250RK (1989)

• LT250RL (1990)

• LT250RM (1991)

• LT250RN (1992)

👋 Introduction

Market Position

Target Audience:

Owners and technicians seeking to repair, maintain, and diagnose the 1987-1992 Suzuki LT250R ATV. Appeals to those looking to save on professional repair costs.

Segment:

Sport ATV

Competitive Analysis

Value Proposition:

Provides professional-level repair information comparable to what is used by authorized service centers, offered in a convenient and accessible digital format. 'INSTANT DOWNLOAD' emphasizes immediate access and cost savings.

Manual Advantage:

Provides the specific information needed for the exact model years, ensuring accuracy unlike generic guides.

Key Features

Manual Highlights:

• Tons of pictures and diagrams

• Easy to follow, step-by-step instructions

• Comprehensive coverage

• Instant download

• Printable pages

• Cost-saving for DIY repairs

User Benefit:

Empowers users to perform their own repairs, saving money and increasing their understanding of the vehicle's mechanics.

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete Service and Repair

Specific Sections Highlighted:

• General

• Periodic Maintenance

• Tune-Up Utilities

• Engine

• Cooling System

• Fuel System

• Electrical System

• Chassis

• Service Information

Page Count

Total Pages:

Manual Type

Type:

Service Repair Manual

Language

Language:

English

Format

Digital Format:

📖 Manual Coverage

Systems Covered

Major Systems:

• General Information

• Periodic Maintenance

• Tune-Up Utilities

• Engine

• Cooling System

• Fuel System

• Electrical System

• Chassis

• Service Information

Chassis Details:

• Front suspension (e.g., double A-arm)

• Rear suspension (e.g., swingarm, shock absorber)

• Steering system

• Brake system hydraulics and components

• Wheels and tires

• Frame inspection and repair

Electrical Details:

• Ignition system (CDI, ignition coil, stator)

• Lighting system (headlight, taillight)

• Battery and charging system

• Wiring diagrams

• Troubleshooting electrical faults

Engine Internals:

Detailed coverage of crankshaft, connecting rod, piston, cylinder, and all related components.

Procedures Included

Repair And Diagnostic Procedures:

• Engine overhaul and repair

• Carburetor tuning and rebuilding

• Ignition system diagnostics and repair

• Cooling system maintenance and troubleshooting

• Brake system service

• Suspension system adjustments and repair

• Electrical component testing and replacement

• Chassis lubrication and inspection

• Troubleshooting guides for common issues

• Component disassembly and reassembly steps

Engine Specific Procedures:

• Top-end rebuild (piston, cylinder, rings)

• Bottom-end rebuild (crankshaft, bearings, seals)

• Carburetor adjustment and jetting

• Exhaust system servicing

• Cooling system flushing and refill

• Air filter maintenance

• 2-stroke power valve cleaning and adjustment

Tune Up And Periodic Maintenance:

• Engine idle speed adjustment

• Valve clearance check (if applicable, though typically not on 2-strokes)

• Chain tension adjustment

• Brake adjustment

• Lubrication points and schedule

• Spark plug inspection and replacement

• Air filter cleaning

Chassis Procedures:

• Shock absorber adjustments and rebuild

• Steering bearing maintenance

• Wheel bearing service

• Chain lubrication and adjustment

Troubleshooting Approach:

Systematic diagnostic approach to identify and resolve problems, rather than guesswork.

Technical Depth

Depth Of Information:

Comprehensive, suitable for professional repair shops and advanced DIY enthusiasts. Includes detailed diagrams and step-by-step instructions.

Diagnostic Capabilities:

Includes diagnostic procedures for electrical systems, fuel system, and engine performance, with troubleshooting trees.

Diagram And Illustration Quality:

Extensive use of clear, detailed illustrations and exploded-view diagrams for all procedures.

📊 Manual Specifications

File Format

File Type:

Compatibility:

Compatible with Windows and Mac operating systems.

Print Quality

Printability:

All pages are printable, allowing users to print specific sections or the entire manual for workshop use.

Image Resolution:

High enough resolution for clear viewing and printing of diagrams and images.

Text Searchability:

PDF format allows for text searching within the manual, aiding quick information retrieval.

Binding Type

Binding Description:

Digital download, no physical binding. Users can print and bind as needed.

Paper Type

Recommended Print Paper:

Standard printer paper, suitable for workshop use and durability.

⚙️ Engine Specifications

Primary Engine

Engine Type:

2-stroke, liquid-cooled, single-cylinder

Engine Displacement:

249 cc (15.2 cu. in.)

Performance

Bore X Stroke:

72.0 mm x 61.2 mm (2.83 in x 2.41 in) (Typical, check manual for specific year variations)

Horsepower And Torque:

Specific figures not provided in product info, but known to be a potent performer in its class during the era. Manual contains detailed specs.

Fuel System

Carburetor Type:

Mikuni VM Series (e.g., VM34SS or similar, specific model depends on year)

Fuel Requirement:

Unleaded gasoline (Octane rating typically 87 or higher, refer to manual for exact specification)

Fuel Delivery:

Carburetor

Carburetor Specifications:

Detailed information on carburetor disassembly, cleaning, jet sizes, needle settings, and float height adjustments.

Lubrication

2-Stroke Oil Mixing:

Pre-mix or Oil Injection system (refer to manual for specific model year requirements)

Engine Type

Cooling Method:

Liquid-cooled

🔧 Transmission

Standard

Transmission Type:

6-speed manual sequential

Clutch Type:

Wet multi-plate

Features

Gearbox Operation:

Clutch lever operated, foot shifter for gear changes.

📐 Dimensions

Weights

Dry Weight:

Approximately 180 kg (397 lbs) (Varies slightly by year, refer to manual for exact figures)

Fuel Capacity:

Approximately 10.0 Liters (2.6 US gal) (Varies slightly by year, refer to manual for exact figures)

Curb Weight:

Not explicitly stated, typically close to dry weight for ATVs.

🛡️ Safety Features

Active Features

Braking System:

Hydraulic disc brakes front and rear.

Passive Features

Frame Construction:

Steel tube frame, designed for off-road durability and rider control.

💡 Technology Features

Infotainment

Instrumentation:

Basic digital or analog instrumentation including speedometer, odometer, and warning lights. Specifics vary by year.

Driver Assistance

Atv Specific Technology:

No advanced electronic driver assistance systems. Focus is on mechanical and electrical systems for performance and reliability.

Connectivity

Connectivity Features:

N/A for this era of ATV.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual for specific interval, typically based on operating hours or mileage. Gearbox oil changes are crucial.

Spark Plug Maintenance:

Regular cleaning and gap adjustment recommended, replacement interval detailed in manual.

Air Filter Maintenance:

Frequent cleaning and re-oiling of the air filter is critical for engine longevity, especially in dusty conditions. Intervals are detailed.

Fluid Specifications

Gearbox Oil Type:

Suzuki recommends specific gear oil (e.g., SAE 80W API GL-4). Exact specification and capacity detailed in the manual.

Coolant Type:

Suzuki Super Long Life Coolant or equivalent ethylene glycol-based coolant with de-ionized water. Specific mix ratio and capacity in manual.

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid. Refer to manual for precise specification and bleeding procedures.

2 Stroke Oil Recommendations:

Manual will specify the recommended type and viscosity of 2-stroke oil for the oil injection system or for pre-mixing.

Known Issues

Common Lt250R Wear Items:

• Carburetor jets clogging due to fuel quality or debris

• 2-stroke power valve operation and cleaning

• Clutch wear

• Chain and sprockets

• Front suspension bushings and bearings

• Seals and gaskets (especially engine and transmission)

Manual Troubleshooting Coverage:

The manual provides diagnostic flowcharts and troubleshooting steps for common performance issues, electrical faults, and mechanical problems.

Engine Performance Issues:

Loss of power, hard starting, or poor throttle response often related to carburetor, ignition, or exhaust port blockages. The manual helps diagnose these.

📚 Vehicle History

Brand Heritage

Suzuki Atv Legacy:

Suzuki has a strong history in off-road performance vehicles, including ATVs. The LT250R was a significant model in the sport ATV segment during its production run.

Model Evolution

Lt250R Development:

The LT250R was a performance-oriented sport ATV, evolving through the late 1980s and early 1990s to offer improved power, handling, and rider ergonomics compared to earlier models and competitors.

Key Advancements Over Time:

While not a radical redesign year-to-year, subtle improvements in suspension, engine tuning, and chassis components were likely made during its production run.

Target Market Positioning:

Positioned as a high-performance sport ATV, competing with models from Yamaha, Honda, and Kawasaki in the late 80s and early 90s.

Production

Production Years Covered By Manual:

1987, 1988, 1989, 1990, 1991, 1992