🏷️ Basic Information Identification Make: Suzuki Model: LT-F250R Quadracer Model Nickname: Quadracer Product Type: Factory Service Repair Manual Product Format: Downloadable PDF Product Name: 1988-1992 Suzuki LT 250R Quadracer Factory Service Repair Manual Codes Chassis Codes: LT250R, LT250RJ (88), LT250RK (89), LT250RL (90), LT250RM (91), LT250RN (92) 👋 Introduction Market Position Market Position: Performance ATV for recreational and sport riding Competitive Analysis Competitors: Yamaha Warrior 250, Kawasaki Mojave 250, Honda FourTrax 250R Key Features Key Features: Lightweight, powerful two-stroke engine, sporty handling, durable construction Target Audience Target Audience: ATV enthusiasts, service technicians, owners seeking to maintain or repair their vehicle Product Value Instant Access: Instant download, no shipping costs, no waiting for physical media 📋 Manual Details Coverage Areas Covered Years: 1988, 1989, 1990, 1991, 1992 Covered Models: LT250R, LT250RJ, LT250RK, LT250RL, LT250RM, LT250RN Page Count Estimated Page Count: Refer to actual document Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format File Format: PDF File Compatibility: Windows, Mac, Linux Reader Requirement: Adobe PDF Reader 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, disassembly, inspection, assembly, tuning Cooling System: Radiator, fan, coolant, hoses, thermostat Fuel System: Carburetor (Mikuni VM series), fuel lines, fuel tank, petcock Electrical System: Ignition system (CDI), lighting, charging system, starter, wiring diagrams Chassis Systems: Frame, suspension (front forks, rear shock absorber), steering, wheels, brakes General Information: Vehicle identification, safety precautions, torque specifications, general maintenance guidelines Periodic Maintenance: Scheduled maintenance, lubrication, inspections Service Information: Troubleshooting guides, diagnostic procedures, special tools Procedures Included Disassembly Procedures: Complete component disassembly instructions Inspection Procedures: Detailed inspection criteria for all components Assembly Procedures: Step-by-step assembly instructions Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting Technical Depth Technical Depth: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts Usage Purpose: Service, maintenance, repair, troubleshooting, and training 📊 Manual Specifications File Format File Format Detail: High Quality PDF Print Quality Printability: All pages are printable Binding Type Binding Type: Digital Download (No physical binding) Paper Type Paper Type: Digital (Not applicable) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled Displacement: 246 cc (15.0 cu. in.) Bore X Stroke: 66.0 mm x 72.0 mm (2.60 in x 2.83 in) Compression Ratio: 6.8:1 Carburetion: Mikuni VM28SS, single Ignition: CDI (Capacitor Discharge Ignition) Starting System: Kick starter Performance Horsepower: Approximately 25-30 HP (varies by year and tuning) Torque: Not explicitly stated, but robust low-end torque characteristic of 2-strokes Fuel System Fuel Type: Unleaded gasoline, minimum 87 octane Fuel Mixture: 100:1 ratio (or 50:1 with specific 2-stroke oil, refer to manual for precise recommendation) Cooling System Cooling Type: Liquid-cooled Coolant Capacity: Refer to manual (typically around 1.5-2.0 liters) Coolant Type: Ethylene glycol-based coolant (50/50 mix with distilled water recommended) 🔧 Transmission Standard Transmission Type: 6-speed manual with automatic clutch (no clutch lever) Clutch Type: Wet, multi-plate, automatic engagement Features Gear Selection: Foot operated sequential shifting Final Drive: O-ring sealed chain Fluid Specifications Transmission Oil Type: Suzuki Gear Oil SAE 80 API GL-4 (or equivalent) Fluid Capacities Transmission Oil Capacity: Refer to manual (typically around 0.7 - 0.8 liters) 📐 Dimensions Exterior Overall Length: Refer to manual (approx. 1800-1900 mm) Overall Width: Refer to manual (approx. 700-800 mm) Overall Height: Refer to manual (approx. 1000-1100 mm) Weights Dry Weight: Refer to manual (approx. 180-195 kg) Curb Weight: Refer to manual (with all fluids and ready to ride) Fuel Capacity: Refer to manual (typically around 10-12 liters) 🛡️ Safety Features Ratings Safety Ratings: Not applicable for ATVs in the same manner as passenger vehicles Active Features Active Safety: Disc brakes, stable chassis design Passive Features Passive Safety: Handlebar padding, ergonomic design for rider control Warnings Recommended Gear: Helmet, goggles, gloves, long sleeves, long pants, sturdy boots 💡 Technology Features Infotainment Infotainment System: None (basic ATV instrumentation) Driver Assistance Driver Assistance: None Connectivity Connectivity: None Instrumentation Instrumentation: Speedometer, odometer, neutral indicator, high-beam indicator, engine temperature warning light. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically every 20-30 engine hours or annually) Air Filter Cleaning: Refer to manual (frequently recommended based on operating conditions) Spark Plug Replacement: Refer to manual (e.g., every 100-200 engine hours) Chain Lubrication: Refer to manual (frequently recommended) Fluid Specifications Engine Oil Type: High-quality 2-stroke engine oil meeting API TC or JASO FD specifications Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid Known Issues Common Issues: Carburetor jetting issues, clutch wear, electrical connector corrosion, exhaust leaks, carburetor float needle wear. Preventative Maintenance: Regular cleaning of air filter, proper fuel/oil mixture, periodic carburetor cleaning and adjustment, regular inspection of electrical connections. 📚 Vehicle History Brand Heritage Brand Heritage: Suzuki has a long history of producing high-performance motorcycles and ATVs, known for their innovative engineering and sporty character. Model Evolution Model Evolution: The LT250R was a key model in Suzuki's ATV lineup during the late 1980s and early 1990s, evolving...