🏷️ Basic Information Identification Make: Suzuki Model: LT250R QUAD RACER Model Nickname: QUAD RACER Vehicle Type: ATV (All-Terrain Vehicle) Product Name: Suzuki LT250R QUAD RACER Full Service & Repair Manual 1987-1992 PDF Download Codes Model Code Range Start: 1987 Model Code Range End: 1992 👋 Introduction Market Position Segment: High-performance sport ATV Era: Late 1980s / Early 1990s era of aggressive sport quad development Competitive Analysis Competitors: Honda TRX250R, Yamaha Warrior 250, Kawasaki Tecate 250 Key Features Performance Focus: Engineered for speed, handling, and aggressive riding Technical Innovation: Often featured advanced suspension and powerful two-stroke engines for its time Manual Purpose Utility: Essential for maintaining peak performance and addressing mechanical issues on this specialized vehicle 📋 Manual Details Coverage Areas Years Covered: 1987, 1988, 1989, 1990, 1991, 1992 Specific Models Covered: Suzuki LT250R QUAD RACER Page Count Estimated Page Count: High (Comprehensive factory documentation, likely 500+ pages, typical for full service manuals) Manual Type Type: Factory Service and Repair Workshop Manual Language Language: English Format Format: PDF Download Accessibility: Instant Download Licensing Fees: No Extra Fees Expiry: No Expiry Dates 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, rebuild, tuning, specifications, diagnostics Transmission: Clutch, gearbox, drive chain, final drive maintenance and repair Fuel System: Carburetor tuning, cleaning, rebuilding; fuel tank, lines, petcock Cooling System: Radiator, hoses, coolant flow, fan operation Ignition System: CDI, spark plug, coil, timing specifications Electrical System: Wiring diagrams, lighting, charging system, battery, starter Suspension: Front telescopic forks (including adjustment), rear mono-shock absorber (linkage, adjustment) Brakes: Front and rear hydraulic disc brake systems, calipers, master cylinders, fluid specifications Steering: Handlebars, steering stem, bearings, tie rods Frame And Bodywork: Chassis inspection, body panel removal and installation, plastics Wheels And Tires: Tire pressure, wheel bearing maintenance, rim specifications Procedures Included Maintenance: Routine service, lubrication, inspections, adjustments Repair: Component replacement, component repair, detailed step-by-step instructions Troubleshooting: Diagnostic charts, symptom-based problem solving, common fault identification Rebuilds: Full engine rebuild, transmission rebuild, suspension rebuild Diagnostics: Electrical system diagnostics, mechanical system diagnostics Specifications: Torque values, clearances, fluid capacities, electrical resistance Technical Depth Depth: Comprehensive factory-level detail, suitable for professional mechanics and experienced DIY enthusiasts 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF for easy navigation Print Quality Quality: High-resolution scans of original factory documentation Printable: Yes, suitable for printing individual sections or the entire manual Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: 2-stroke, liquid-cooled, single-cylinder Displacement: 246 cc (246 cubic centimeters) Bore: 66.0 mm Stroke: 72.0 mm Compression Ratio: Typically around 7.0:1 (subject to specific year/variant, consult manual for exact figures) Performance Horsepower Estimate: Approx. 30-35 HP (peak, varies by model year and tuning, precise figures in manual) Torque Estimate: Approx. 20-24 lb-ft (precise figures in manual) Fuel System Carburetor: Mikuni VM Series (e.g., VM30SS or similar, specific size and type in manual) Fuel Type: Unleaded gasoline with 2-stroke oil pre-mix (specific ratio detailed in manual) Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Cooling System Cooling Method: Liquid-cooled Lubrication System: Premix lubrication (oil mixed with fuel) 🔧 Transmission Standard Type: 6-speed manual transmission with clutch Drive Type: Shaft drive to rear axle (or chain drive depending on specific model variant, manual will clarify) Features Clutch Type: Wet, multi-plate clutch Gear Ratios: Specific ratios for each gear and final drive provided in manual Fluid Specifications Transmission Oil Type: Refer to manual for specific API GL-5 gear oil or Suzuki specific recommendations 📐 Dimensions Exterior Length: Varies slightly by year, approx. 1800-1850 mm Width: Varies slightly by year, approx. 1150-1170 mm Height: Varies slightly by year, approx. 1050-1100 mm Weights Dry Weight: Approx. 180-190 kg (highly dependent on specific model year and equipment) Curb Weight: Refer to manual for exact curb weight figures Fuel Capacity: Approx. 9.5 - 10.0 liters 🛡️ Safety Features Ratings Rating: ATVs are not typically rated by NHTSA or IIHS like passenger vehicles; rider safety is paramount Active Features Braking System: Hydraulic disc brakes front and rear for powerful stopping capability Suspension Handling: Tuned for stability and control during aggressive riding maneuvers Passive Features Roll Over Protection: None (inherent risk with ATVs, operator responsibility) Lighting: Headlights and taillight for visibility 💡 Technology Features Infotainment Infotainment System: N/A (Basic utilitarian vehicle design) Driver Assistance Driver Assistance Features: None (Emphasis on direct rider control) Connectivity Connectivity: None 🔧 Maintenance Service Intervals Oil Change Engine: Refer to manual; typically every 10-20 hours of operation or annually Air Filter Cleaning: Frequent, depending on operating conditions (e.g., every 5-10 hours) Spark Plug Inspection: Every 10-20 hours or annually Chain Lubrication: Every 5-10 hours or after riding in wet/muddy conditions Fluid Specifications 2 Stroke Oil Mix: Suzuki recommends specific 2-stroke oil and a pre-mix ratio (e.g., 20:1 or 32:1, verify in manual) Coolant Type: Ethylene glycol-based antifreeze coolant (refer to manual...