🏷️ Basic Information Identification Make: Yamaha Model: FZR400 Year: 1987 Product Type: Full Service Repair Manual Codes Internal Model Code: Likely chassis and engine codes specific to the FZR400 1987 model will be detailed within the manual. 👋 Introduction Market Position Category: Performance Sportbike Target Audience: Enthusiasts and owners seeking to maintain, repair, or restore the Yamaha FZR400 1987 model. Competitive Analysis Competitors 1987: Honda CBR400RR (NC23), Kawasaki ZXR400, Suzuki GSX-R400 (GK73A). Key Features Design Philosophy: The FZR400 was designed as a lightweight, agile, and technologically advanced sportbike for its era, competing in the highly popular 400cc class, particularly in markets like Japan. Manual Value Proposition: Provides professional-level repair and maintenance information, empowering owners to perform tasks typically reserved for dealerships, saving time and money. 📋 Manual Details Coverage Areas General Coverage: Comprehensive coverage for repair, maintenance, rebuilding, refurbishing, and restoration of the Yamaha FZR400 1987. Specific Systems: Engine, transmission, chassis, electrical system, suspension, brakes, fuel system, cooling system, exhaust system, bodywork, diagnostics. Page Count Estimated Page Count: While not explicitly stated, typical full service repair manuals of this era for motorcycles of this complexity often range from 300-600 pages. Manual Type Type: Full Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, inspection, repair, and reassembly of engine components including cylinders, pistons, crankshaft, camshafts, valves, and lubrication system. Fuel System: Carburetor tuning, cleaning, rebuilding, fuel pump operation, fuel filter replacement, and fuel line inspection. Electrical System: Comprehensive wiring diagrams, troubleshooting electrical faults, ignition system diagnosis, charging system testing, starter motor, lighting, and instrumentation. Suspension: Front fork disassembly, seal replacement, oil level and type specification, rear shock absorber inspection and adjustment. Brakes: Brake caliper overhaul, hydraulic system bleeding, pad replacement, disc inspection, and master cylinder service. Transmission: Gearbox disassembly, inspection of gears and shift drum, clutch operation, adjustment, and replacement of clutch components. Procedures Included Maintenance: Regular service schedules, oil changes, filter replacements, chain adjustment, spark plug replacement, and general lubrication. Troubleshooting: Systematic approach to diagnosing common problems and fault finding for various components and systems. Diagnostics: Detailed diagnostic procedures for engine performance, electrical issues, and mechanical faults. Rebuilds: Complete engine and transmission rebuild procedures with detailed specifications. Technical Depth Depth: Designed for both professional technicians and experienced DIY mechanics, covering everything from basic maintenance to complex internal repairs and diagnostics. 📊 Manual Specifications File Format Format: PDF Requirements: Adobe PDF Reader, WinRAR (for extraction if applicable) Print Quality Printability: Full Printable - All pages are printable. Binding Type Type: Digital Download (PDF) - no physical binding. Paper Type Type: N/A (Digital Product) Delivery Method: Instant Download Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Type: 4-stroke, Liquid-cooled, DOHC, 4-valve per cylinder inline-four. Displacement: 399 cc Bore X Stroke: 56.0 mm x 40.4 mm Compression Ratio: 11.5:1 (typical for this model) Performance Horsepower: Approximately 50-55 HP at 12,000 RPM (market dependent, often restricted in some regions). Torque: Approximately 35 Nm (26 lb-ft) at 10,000 RPM (market dependent). Fuel System Carburetion: Four Mikuni VM or BS series carburetors (specific model may vary, typically 34mm or 36mm). Fuel Type: Unleaded gasoline, 91-98 octane rating recommended. Ignition System: Digital CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Type: 6-speed constant mesh Clutch: Wet, multiple-disc Features Gear Ratios: Specific gear ratios will be detailed in the manual for each gear. Final Drive: O-ring sealed chain Fluid Specifications Transmission Oil: Yamalube 4 (or equivalent SAE 20W-40 or 10W-40 motorcycle oil) - Specific capacity and type detailed in manual. 📐 Dimensions Exterior Length: Approx. 2,070 mm (81.5 in) Width: Approx. 740 mm (29.1 in) Height: Approx. 1,155 mm (45.5 in) Wheelbase: Approx. 1,385 mm (54.5 in) Weights Dry Weight: Approx. 167 kg (368 lbs) Wet Weight: Approx. 185 kg (408 lbs) (with all fluids) 🛡️ Safety Features Ratings Crash Test Data: Motorcycle crash test data for this era is not standardized in the same way as automobiles. The manual will focus on mechanical safety and reliable operation. Active Features Braking System: Dual front disc brakes, single rear disc brake. Suspension Stability: Advanced suspension design for its class, providing stable handling and braking performance. Passive Features Lighting: Halogen headlamp, tail light, and turn signals. 💡 Technology Features Infotainment Features: Basic analog instrumentation: speedometer, tachometer, fuel gauge, coolant temperature gauge, indicator lights. Driver Assistance Features: No electronic driver assistance systems typical of modern vehicles. Focus is on mechanical and electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Recommended every 3,000-5,000 km (1,800-3,000 miles) or annually, whichever comes first. Manual will specify exact interval. Chain Maintenance: Lubrication and tension adjustment every 500-1,000 km (300-600 miles). Spark Plug Replacement: Typically every 10,000-15,000 km (6,000-9,000 miles). Manual will provide exact type and gap. Fluid Specifications Engine Oil: Yamalube 4 (or equivalent SAE 20W-40 or 10W-40 motorcycle oil)....