Suzuki LT 4WD LT F4WDX280 King Quad LTF250 Quadrunner ATV 1987-1998 Service Repair Shop Manual Download PDF
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🏷️ Basic Information Identification Make: Suzuki Model: King Quad LT-F4WDX280 / Quadrunner LT-F250 Year Range: 1987-1998 Vehicle Type: All-Terrain Vehicle (ATV) Codes Chassis Codes: LT-F4WDX280, LT-F250 👋 Introduction Market Position Target Audience: DIY enthusiasts, ATV owners seeking to perform their own maintenance and repairs, independent repair shops. Competitive Analysis Value Proposition: Provides professional-level repair guidance, enabling significant cost savings compared to dealership or independent mechanic labor rates. Offers comprehensive coverage for a wide range of model years and variations. Key Features Ease Of Use: Step-by-step instructions, clear visuals, and organized layout make complex repairs accessible to users with varying skill levels. Download Availability: Instant download upon payment, eliminating shipping delays and costs, allowing immediate access to repair information. 📋 Manual Details Coverage Areas Main Coverage: Service, Repair, Maintenance Specific Systems: Engine, Drivetrain, Suspension, Brakes, Electrical System, Fuel System, Cooling System, Exhaust System, Frame, Bodywork, Troubleshooting Page Count Estimated Page Count: High (Detailed, likely 500+ pages based on scope) Manual Type Manual Type: Service and Repair Shop Manual Language Language: English Format File Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, inspection, repair for all applicable variants (e.g., 280cc and 250cc engines) Fuel System: Carburetor service, adjustment, fuel tank, fuel lines, fuel pump (if applicable) Ignition System: CDI unit, spark plug specifications, ignition timing, stator and coil testing Transmission Drivetrain: Transmission overhaul, clutch service, drive shaft maintenance, differential service, 4WD system engagement and repair Electrical System: Wiring diagrams, lighting, starting system, charging system, battery service, fuse identification, component testing Braking System: Brake caliper overhaul, brake pad replacement, brake fluid specifications, brake line maintenance, drum brake service (if applicable) Suspension Steering: Front and rear suspension component replacement, shock absorber service, steering linkage inspection and repair Frame Bodywork: Frame inspection, body panel removal and installation, seat service Cooling System: Air-cooling system inspection and maintenance. Exhaust System: Exhaust pipe and muffler inspection, repair, and gasket replacement. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, chain adjustment (if applicable), lubrication points Troubleshooting: Systematic diagnostic procedures for common and uncommon issues, fault finding charts Major Repairs: Engine rebuilds, transmission overhauls, differential repairs, electrical component replacement and repair Component Disassembly Assembly: Step-by-step instructions for taking apart and reassembling all major components Wheel Tire Service: Tire pressure recommendations, wheel bearing inspection, and replacement. Torque Specifications: Includes critical torque values for engine, transmission, chassis fasteners. Technical Depth Depth Of Information: In-depth, professional quality with detailed step-by-step instructions, diagrams, and specifications for all repair and maintenance tasks. Diagnostic Charts: Detailed troubleshooting charts correlating symptoms with potential causes and corrective actions. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Likely includes searchable text within the PDF for quick information retrieval. Print Quality Resolution And Clarity: High resolution, clear and legible text, sharp images and diagrams Binding Type Binding: Not Applicable (Downloadable PDF) Paper Type Paper Quality: Not Applicable (Digital Format) Compatibility Device Compatibility: PC, MAC, Tablets, Smartphones ⚙️ Engine Specifications Primary Engine Engine Type Ltf250: 246cc, 4-stroke, Air-cooled, SOHC, Single-cylinder Engine Type Ltf4Wdx280: 279cc, 4-stroke, Air-cooled, SOHC, Single-cylinder Performance Bore Stroke Ltf250: 72.0 mm x 61.2 mm (approximate, subject to variation) Bore Stroke Ltf4Wdx280: 76.0 mm x 62.6 mm (approximate, subject to variation) Compression Ratio Ltf250: 9.2:1 (typical, subject to variation) Compression Ratio Ltf4Wdx280: 9.2:1 (typical, subject to variation) Fuel System Carburetor Ltf250: Mikuni VM32SS (or similar, subject to specific year/model) Carburetor Ltf4Wdx280: Mikuni VM34SS (or similar, subject to specific year/model) Fuel Type: Unleaded Gasoline Maintenance Items Spark Plug Type: NGK DPR7EA-9 (or equivalent, check manual for exact fitment) 🔧 Transmission Standard Transmission Type: 5-speed Manual with Automatic Clutch (Semi-automatic) Optional Optional Transmission: None specified for this generation. Features Drive System: Shaft Drive, Selectable 2WD/4WD Gear Reduction: Hi/Lo Range gearbox (confirm if standard across all models within range) 📐 Dimensions Exterior Overall Length: Approx. 78.7 in (2000 mm) for LT-F250, 80.7 in (2050 mm) for LT-F4WDX280 (subject to variation) Overall Width: Approx. 42.1 in (1070 mm) for LT-F250, 43.7 in (1110 mm) for LT-F4WDX280 (subject to variation) Overall Height: Approx. 44.1 in (1120 mm) for LT-F250, 45.5 in (1155 mm) for LT-F4WDX280 (subject to variation) Weights Dry Weight Ltf250: Approx. 452 lbs (205 kg) Dry Weight Ltf4Wdx280: Approx. 494 lbs (224 kg) Fuel Capacity: Approx. 3.2 US gal (12 L) Towing Capacity: Typically around 600-900 lbs (270-410 kg), consult manual for exact figure. 🛡️ Safety Features Ratings Safety Standards: Designed to meet industry standards for ATVs of its era. Manual will detail specific safety precautions. Active Features Braking System Type: Front: Dual Disc, Rear: Drum (or Disc, depending on specific model variant within the range). Lighting: Headlights, Taillight/Brake light. Passive Features Frame Construction: Steel tube frame for durability and rigidity. 💡 Technology Features Infotainment Infotainment System: Not applicable for these models. Primarily utilitarian design focused on performance and durability....
DIY enthusiasts, ATV owners seeking to perform their own maintenance and repairs, independent repair shops.
Competitive Analysis
Value Proposition:
Provides professional-level repair guidance, enabling significant cost savings compared to dealership or independent mechanic labor rates. Offers comprehensive coverage for a wide range of model years and variations.
Key Features
Ease Of Use:
Step-by-step instructions, clear visuals, and organized layout make complex repairs accessible to users with varying skill levels.
Download Availability:
Instant download upon payment, eliminating shipping delays and costs, allowing immediate access to repair information.
72.0 mm x 61.2 mm (approximate, subject to variation)
Bore Stroke Ltf4Wdx280:
76.0 mm x 62.6 mm (approximate, subject to variation)
Compression Ratio Ltf250:
9.2:1 (typical, subject to variation)
Compression Ratio Ltf4Wdx280:
9.2:1 (typical, subject to variation)
Fuel System
Carburetor Ltf250:
Mikuni VM32SS (or similar, subject to specific year/model)
Carburetor Ltf4Wdx280:
Mikuni VM34SS (or similar, subject to specific year/model)
Fuel Type:
Unleaded Gasoline
Maintenance Items
Spark Plug Type:
NGK DPR7EA-9 (or equivalent, check manual for exact fitment)
🔧 Transmission
Standard
Transmission Type:
5-speed Manual with Automatic Clutch (Semi-automatic)
Optional
Optional Transmission:
None specified for this generation.
Features
Drive System:
Shaft Drive, Selectable 2WD/4WD
Gear Reduction:
Hi/Lo Range gearbox (confirm if standard across all models within range)
📐 Dimensions
Exterior
Overall Length:
Approx. 78.7 in (2000 mm) for LT-F250, 80.7 in (2050 mm) for LT-F4WDX280 (subject to variation)
Overall Width:
Approx. 42.1 in (1070 mm) for LT-F250, 43.7 in (1110 mm) for LT-F4WDX280 (subject to variation)
Overall Height:
Approx. 44.1 in (1120 mm) for LT-F250, 45.5 in (1155 mm) for LT-F4WDX280 (subject to variation)
Weights
Dry Weight Ltf250:
Approx. 452 lbs (205 kg)
Dry Weight Ltf4Wdx280:
Approx. 494 lbs (224 kg)
Fuel Capacity:
Approx. 3.2 US gal (12 L)
Towing Capacity:
Typically around 600-900 lbs (270-410 kg), consult manual for exact figure.
🛡️ Safety Features
Ratings
Safety Standards:
Designed to meet industry standards for ATVs of its era. Manual will detail specific safety precautions.
Active Features
Braking System Type:
Front: Dual Disc, Rear: Drum (or Disc, depending on specific model variant within the range).
Lighting:
Headlights, Taillight/Brake light.
Passive Features
Frame Construction:
Steel tube frame for durability and rigidity.
💡 Technology Features
Infotainment
Infotainment System:
Not applicable for these models. Primarily utilitarian design focused on performance and durability.
Driver Assistance
Driver Assistance Features:
None applicable. Focused on manual operation and rider input.
Connectivity
Connectivity Features:
Not applicable. Basic electrical systems for ignition, lights, and starting.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Typically every 1,000 km or 6 months, but the manual will provide exact recommendations.
Spark Plug Check Replacement:
Inspect at first service, replace as needed. Refer to manual for specific interval.
Air Filter Maintenance:
Clean or replace at recommended intervals, especially after dusty conditions. Manual will specify.
Gear Oil Change:
Recommended at intervals specified in the manual, typically annually or based on usage hours.
Fluid Specifications
Engine Oil Type:
API SE, SF, or SG classification, SAE 10W-40 or 20W-40 (refer to manual for precise recommendation based on climate).
Engine Oil Capacity:
Approx. 1.7-2.0 L (1.8-2.1 US qt) without filter change, 2.0-2.3 L (2.1-2.4 US qt) with filter change (check manual for exact capacity).
Brake Fluid Type:
DOT 3 or DOT 4 (confirm with manual, never mix DOT 3 and DOT 4).
Gear Oil Type:
API GL-4 or GL-5, SAE 80W-90 (confirm with manual for specific gearbox/differential).
Known Issues
Common Wear Items:
Carburetor jets clogging, brake shoe/pad wear, suspension bushings, starter motor brushes, fuel tank petcock leaks.
Maintenance Recommendations:
Regular cleaning of air filter and carburetor jets, timely oil and fluid changes, and proper tire inflation are critical for longevity.
📚 Vehicle History
Brand Heritage
Suzuki Atv Legacy:
Suzuki has a long-standing reputation for producing robust and reliable ATVs, with the Quadrunner and King Quad lines being foundational to the sport and utility ATV market.
Model Evolution
Quadrunner King Quad Development:
The LT-F250 Quadrunner and the more powerful LT-F4WDX280 King Quad represented key advancements in Suzuki's ATV offerings during the late 80s and 90s, introducing improved 4WD systems, larger engines, and enhanced utility features.
Production
Production Period:
These models were popular throughout the 1990s, building on earlier designs and laying the groundwork for future King Quad generations.
🏆 Awards & Recognition
Recognitions
Industry Recognition:
These models were well-regarded in their time for reliability and capability, contributing significantly to Suzuki's strong presence in the ATV market.
Ratings
Consumer Ratings:
Generally positive for their intended use as work and recreational vehicles. Manual helps owners maintain this reputation.