This manual covers the QuadRunner, a versatile all-terrain vehicle produced for the years 1987 through 1998. Renowned for its practical design and dependable performance, the LT-F250 has established itself as...
This manual covers the QuadRunner, a versatile all-terrain vehicle produced for the years 1987 through 1998. Renowned for its practical design and dependable performance, the LT-F250 has established itself as a reliable choice for various utility and recreational tasks. Its robust engineering, characterized by a capable four-stroke engine and a user-friendly transmission, ensures enduring performance in diverse conditions. This generation of the QuadRunner reflects a commitment to producing durable and efficient ATVs, making it a valued asset for owners seeking a capable and enduring machine.
This comprehensive factory service repair manual provides detailed information essential for the maintenance and repair of your QuadRunner. It covers all critical systems, including the engine, fuel system, cooling system, drivetrain, chassis, and electrical components. Within its pages, you will find step-by-step procedures for routine maintenance, troubleshooting common issues, detailed overhaul instructions, and technical specifications. This resource is meticulously designed to assist owners, DIY enthusiasts, and professional technicians in keeping their LT-F250 operating at peak performance and ensuring its longevity.
🏷️ Basic Information
Identification
Make:
Suzuki
Model:
LT-F250
Model Nickname:
QuadRunner
Generation
Generation Code:
First Generation
Codes
Chassis Code:
LT-F250 (Internal codes may vary across specific model years)
👋 Introduction
Market Position
Target Audience:
Suzuki LT-F250 owners, DIY enthusiasts, professional ATV technicians
Competitive Analysis
Comparison To Alternatives:
Superior to outdated paper manuals due to convenience, cost-effectiveness, and searchability. Offers direct factory information compared to generic online forums.
Key Features
Convenience:
Instant PDF download, accessible on multiple devices, printable pages
Cost Effectiveness:
Inexpensive compared to professional repair costs or older printed manuals
Completeness:
Complete official full factory service repair manual covering all styles and extensive year range
N/A (This is a utility ATV from the 1980s/1990s; no integrated infotainment system present)
Driver Assistance
Driver Assistance Features:
N/A (No electronic driver assistance features common to modern vehicles)
Connectivity
Connectivity Options:
N/A
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 100 hours of operation or annually, whichever comes first. Specific interval in manual.
Air Filter Cleaning:
Recommended every 20 hours of operation or as needed based on riding conditions. Detailed cleaning and replacement procedures in manual.
Spark Plug Replacement:
Typically every 100 hours or annually. Specifications (gap, type) in manual.
Fluid Specifications
Engine Oil Type:
Suzuki recommends specific API SG or higher, SAE 10W-40 or 10W-50 motorcycle-specific engine oil. Consult manual for precise grade and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Consult manual for specific recommendation and capacity.
Gearbox Oil Type:
Typically SAE 80W-90 GL-4 hypoid gear oil for the final drive. Consult manual for specifics.
Known Issues
Carburetor Issues:
Potential for carburetor gumming or jet clogging due to fuel varnish if not run regularly or with stale fuel. Ethanol-blended fuels can exacerbate this.
Electrical Connections:
Corrosion or loose connections in wiring harness, especially at grounds and connectors, can lead to intermittent electrical faults.
Suspension Wear:
Wear in bushings, ball joints, and shock absorbers is common with age and mileage, impacting ride quality and handling.
Drive Shaft Boot Integrity:
Torn or damaged drive shaft boots can allow dirt and moisture into the CV joints, leading to premature wear.
Brake System Maintenance:
Regular inspection and replacement of brake pads and ensuring proper fluid levels and condition is crucial for safe operation.
📚 Vehicle History
Brand Heritage
Manufacturer:
Suzuki Motor Corporation, Japan
Model Evolution
Introduction Era:
Introduced in the mid-1980s, the LT-F250 was part of Suzuki's pioneering line of QuadRunner ATVs, known for their reliability and practicality.
Key Advancements Over Period:
This generation saw incremental updates, focusing on refinement of the engine, suspension, and ergonomics. The period 1987-1998 indicates a relatively stable platform with minor revisions.
Production
Manufacturing Location:
Likely manufactured in Japan or through global manufacturing facilities managed by Suzuki.
Lifespan Of Generation:
The LT-F250 model range, particularly with the 250cc engine, had a significant production run spanning many years, with this manual covering a substantial portion of its primary production life.
🏆 Awards & Recognition
Recognitions
Historical Accolades:
Suzuki's QuadRunner line was generally well-regarded for its robust engineering and reliability in its era, contributing to the growing popularity of ATVs.
Ratings
Reliability Perception:
Known for being dependable workhorses with proper maintenance.
Certifications
Certification Standards:
Complied with all relevant safety and emissions standards of its time.
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