The 1987 Suzuki LT500R, affectionately known as the "King Quad," is a high-performance All-Terrain Vehicle (ATV) engineered for recreational and competitive use. Suzuki's pursuit of power and durability is evident in this model, which was developed as a potent successor to earlier sport ATVs, emphasizing powerful engine output and agile handling for aggressive riding. This liquid-cooled, 2-stroke ATV, with its 499cc engine and 6-speed manual transmission, offered exceptional performance for its era, positioning it as a formidable competitor in the sport ATV market. This comprehensive service and repair manual provides detailed information for owners and technicians alike. It covers all major systems of the 1987 Suzuki LT500R, including complete engine disassembly and assembly, cooling system service, fuel system tuning, ignition system troubleshooting, transmission and drivetrain maintenance, suspension and brake system overhauls, and electrical system diagnostics. The manual includes step-by-step repair instructions, exploded view diagrams, wiring schematics, and troubleshooting guides to ensure optimal performance, reliability, and longevity of the vehicle. 🏷️ Basic Information Identification Make: Suzuki Model: LT500R Year: 1987 Nickname: King Quad Vehicle Type: All-Terrain Vehicle (ATV) Codes Vin Code: Refer to VIN plate location in manual 👋 Introduction Market Position Market Segment: High-performance sport ATV for recreational and competitive use. Target Audience: Enthusiasts and owners seeking detailed maintenance and repair information. Competitive Analysis Competitors 1987: Yamaha Banshee, Kawasaki Tecate-4, Honda TRX250R Key Features Performance Focus: Emphasized powerful engine and agile handling for aggressive riding. Engineering Philosophy: Suzuki's pursuit of power and durability in the ATV market. 📋 Manual Details Coverage Areas Manual Type: Service Manual / Repair Manual Language: English Format: Digital Download (PDF) Page Count Page Count: Estimated 200+ pages (based on typical service manual scope) Manual Type Manual Classification: Comprehensive Diagnostic and Repair Guide 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, tuning, troubleshooting, including top-end and bottom-end components. Cooling System: Radiator, fan, thermostat, coolant flow, troubleshooting coolant leaks. Fuel System: Carburetor (Mikuni VM series) tuning, cleaning, jetting, fuel pump, fuel lines, fuel tank maintenance. Ignition System: CDI unit, ignition coil, spark plug specifications, timing, troubleshooting ignition failures. Transmission: Clutch operation, gear shifting mechanism, gearbox disassembly and assembly, lubrication. Drivetrain: Chain drive system, sprockets, swingarm, rear axle maintenance and adjustment. Suspension: Front suspension (telescopic forks), rear suspension (shock absorber, linkage), adjustment, service, and overhaul. Brakes: Front and rear brake systems (hydraulic disc brakes), brake fluid specifications, bleeding procedures, caliper and master cylinder service. Electrical System: Lighting, battery, wiring diagrams, stator, starter motor (if applicable), troubleshooting electrical faults. Chassis Frame: Frame inspection, steering system, wheel bearings, hubs. Bodywork: Fender removal, seat service, plastic panel maintenance. Procedures Included Maintenance: Regular maintenance checks, lubrication points, filter replacement, battery care. Troubleshooting: Diagnostic charts for common performance issues, starting problems, and system failures. Repair: Step-by-step instructions for component removal, replacement, and reassembly for all major systems. Overhaul: Detailed procedures for complete engine and gearbox rebuilds. Adjustments: Carburetor tuning, clutch adjustment, chain tensioning, suspension settings. Diagnostics: Electrical system diagnostics, performance tuning guidance. Technical Depth Depth Level: Comprehensive, covering everything from basic adjustments to complete engine rebuilds. Diagrams Illustrations: Includes detailed exploded view diagrams, wiring schematics, and step-by-step illustrated procedures. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Searchable text for quick access to information. Print Quality Image Resolution: High resolution for clear viewing of diagrams and text. Printability: Printable for home or workshop use. Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: 2-Stroke, Reed Valve, Liquid-Cooled Displacement: 499 cc (30.45 cubic inches) Bore X Stroke: 85.0 mm x 88.0 mm (3.35 in x 3.46 in) Compression Ratio: 6.2:1 Carburetor: Mikuni VM34SS, Single Ignition: CDI (Capacitor Discharge Ignition) Performance Horsepower: Approx. 45-50 HP (manufacturer specific, unconfirmed exact figure) Torque: Not officially published, but high for its class. Fuel System Fuel Type: Unleaded gasoline (91-93 octane recommended) Fuel Mixture: Pre-mix 2-stroke oil (e.g., Yamalube 2R or equivalent) at 50:1 ratio. 🔧 Transmission Standard Transmission Type: 6-Speed Manual with Reverse Clutch Type: Wet, Multi-Disc Final Drive: O-ring sealed chain (520 pitch recommended) Features Gear Ratios: Refer to manual for specific gear ratios. 📐 Dimensions Exterior Length: Approx. 71.9 inches (1825 mm) Width: Approx. 45.7 inches (1160 mm) Height: Approx. 45.7 inches (1160 mm) Wheelbase: Approx. 49.6 inches (1260 mm) Weights Dry Weight: Approx. 370 lbs (168 kg) Fuel Capacity: 3.2 US gal (12.1 L) 🛡️ Safety Features Ratings Atv Safety Standards: Designed to meet ANSI safety standards for ATVs of its era. Active Features Throttle Limiter: Thumb throttle with governor (adjustable) Braking System: Dual hydraulic front disc brakes, single hydraulic rear disc brake. Passive Features Handlebar Design: Handlebar with padded crossbar and handguards for control and protection. Footwells: Wide footwells with grip pattern for rider stability. 💡 Technology Features Infotainment Infotainment System: N/A (Basic functionality for its era) Driver...