🏷️ Basic Information Identification Make: Suzuki Model: GSX450 Production Years: 1979-1985 👋 Introduction Market Position Positioning: The Suzuki GSX450 series represented Suzuki's entry into the competitive mid-displacement sportbike segment during the late 1970s and early 1980s, aiming to offer performance and value. Competitive Analysis Competitors: Competed with models like the Yamaha XJ400, Honda CB450N, and Kawasaki GPZ400. Key Features Features: Known for its reliable engine, comfortable ergonomics for its class, and accessible performance for everyday riding and sport touring. 📋 Manual Details Coverage Areas Coverage: Repair and overhaul of Suzuki GSX450 (1979-1985 models) Page Count Page Count: 232 Manual Type Type: Workshop Service Manual Language Language: English (Assumed, based on typical workshop manual conventions) Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, tuning, lubrication, cooling, fuel system, ignition system Transmission: Clutch, gearbox operation, maintenance, repair Chassis: Frame, suspension (front and rear), steering, wheels, brakes Electrical: Ignition, lighting, charging system, battery, starter motor, wiring diagrams Bodywork: Body panel removal/installation, minor repairs Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, adjustments Troubleshooting: Diagnostic charts and procedures for common issues Repair: Step-by-step instructions for component repair and replacement Overhaul: Detailed procedures for complete engine and component rebuilds Technical Depth Depth: Comprehensive coverage from basic maintenance to full engine rebuilds and advanced diagnostics 📊 Manual Specifications File Format File Format: PDF Print Quality Quality: High-resolution scans suitable for printing or on-screen viewing Binding Type Binding: N/A (Digital PDF download) Paper Type Paper Type: N/A (Digital PDF download) ⚙️ Engine Specifications Primary Engine Type: 4-stroke, DOHC, air-cooled, inline-four cylinder Displacement: 448 cc (approx. 450cc) Performance Horsepower: Approximately 45-50 HP (varies by year and specific market tuning) Torque: Approx. 27-30 lb-ft (varies by year and specific market tuning) Fuel System Carburetors: Mikuni VM or BS series (typically twin-sided or single with butterfly valve) Fuel Type: Unleaded gasoline Lubrication Oil Type: API SE, SF or SG grade multi-viscosity oil (e.g., 10W-40, 20W-50, depending on climate) Ignition System: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Type: 5-speed constant mesh Optional Options: N/A (Standard 5-speed) Features Clutch: Wet, multi-plate, cable-actuated Final Drive: Chain drive 📐 Dimensions Exterior Length: Varies by model year, approx. 2150 mm (84.6 in) Width: Varies by model year, approx. 780 mm (30.7 in) Height: Varies by model year, approx. 1150 mm (45.3 in) Weights Dry Weight: Approx. 180-190 kg (397-419 lbs) Fuel Capacity: Approx. 16-18 Liters (4.2-4.8 US gal) 🛡️ Safety Features Ratings Crash Test Results: Not applicable (Motorcycle) Active Features Braking Front: Disc brake (single or dual depending on variant) Braking Rear: Drum brake Passive Features Lighting: Halogen headlight, taillight, turn signals 💡 Technology Features Infotainment Infotainment System: N/A (Basic motorcycle instrumentation) Driver Assistance Assistance Features: N/A Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change: Every 3,000 km (1,800 miles) or 6 months, whichever comes first Air Filter Cleaning: Every 6,000 km (3,600 miles) Valve Clearance Check: Every 12,000 km (7,200 miles) Spark Plug Replacement: Every 6,000 km (3,600 miles) Fluid Specifications Engine Oil Capacity: Approx. 2.4 - 2.8 Liters (2.5 - 3.0 US qt) with filter change Brake Fluid Type: DOT 3 or DOT 4 (as specified in manual) Fork Oil Type: SAE 10W (as specified in manual) Known Issues Carburetor Sync: Carburetors require regular synchronization for smooth running. Cam Chain Tensioner: Can become noisy with age; manual provides replacement procedures. Electrical Connections: Corrosion or loose connections in wiring harnesses can lead to intermittent issues. Filter Part Numbers Oil Filter: Suzuki OEM Part Number (e.g., 16510-07100, or equivalent aftermarket such as HF138, KN-138) Air Filter: Suzuki OEM Part Number (specific to model year, e.g., 13780-34410, or equivalent aftermarket) 📚 Vehicle History Brand Heritage Heritage: Suzuki has a long history in motorcycle manufacturing, known for innovative engines and performance-oriented bikes across various displacements. Model Evolution Evolution: The GSX450 was part of Suzuki's evolution towards more modern inline-four engines and sportier styling, building on earlier models like the GS series. It paved the way for later GSX-R models. Production Manufacturing Location: Japan Production Timeline: Produced from 1979 through 1985, with minor updates throughout the run. 🏆 Awards & Recognition Recognitions Awards: No specific widely publicized awards for this model, but appreciated for its reliability and value in its segment during its production era.