1987-1992 Suzuki LT 250R ATV Service Repair Manual

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🏷️ 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)...

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Type: Atv

Vendor:

Sku: 111728

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

Product variants

Description

🏷️ 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