🏷️ Basic Information Identification Make: Mazda Model: 121 Generation: DB (Second Generation) Production Years Covered: 1990-1998 Codes Chassis Codes: DB1 (early DB), DB3 (late DB) 👋 Introduction Market Position Target Audience: DIY car owners with basic mechanical skills and professional independent auto technicians Competitive Analysis Value Proposition: Provides dealer-level repair information at a fraction of the cost of professional labor, enabling significant savings on maintenance and repairs Key Features Accuracy: Vehicle-specific information, not generic, ensuring accurate repair procedures Completeness: Complete and intact manual with no missing or corrupt parts Usability: Clear and concise text with step-by-step instructions and visual aids for easy understanding 📋 Manual Details Coverage Areas Markets Covered: Global (various regional specifications may apply) Vehicle Variants Covered: Sedan, Hatchback, Wagon (depending on regional availability) Page Count Estimated Page Count: Varies by specific edition, typically 500+ pages Manual Type Type: Service Repair Workshop Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing belt/chain, oil pump, cooling system, lubrication system Engine Electrical: Ignition system, starter motor, alternator, battery, engine control unit (ECU) diagnostics, sensors, wiring diagrams Emission Control: Catalytic converter, EGR system, evaporative emission control (EVAP), oxygen sensors, emission control components testing and diagnosis Fuel System: Fuel pump, fuel injectors, fuel filter, fuel pressure regulator, throttle body, fuel tank, fuel lines, carburetion (if applicable) Clutch System: Clutch disc, pressure plate, release bearing, clutch master cylinder, clutch slave cylinder, hydraulic lines, adjustment and bleeding Manual Transaxle: Gearbox overhaul, gear replacement, synchronizers, shift mechanism, clutch operation, fluid specifications and replacement Automatic Transaxle: Transmission overhaul, valve body, torque converter, planetary gears, clutch packs, solenoids, diagnostic procedures, fluid specifications and replacement Driveshaft Axles: CV joints, drive shafts, wheel bearings, axle boots, inspection and replacement Suspension System: Front suspension (struts, control arms, ball joints, bushings), rear suspension (shocks, springs, trailing arms), wheel alignment, shock absorber replacement Steering System: Steering rack, power steering pump, steering column, tie rod ends, steering wheel, fluid specifications and bleeding Restraint System: Seat belts, airbags (diagnosis and replacement precautions), safety systems Brake System: Front and rear brakes (discs/drums), calipers, wheel cylinders, brake pads, brake shoes, brake lines, master cylinder, ABS (if equipped), bleeding procedures Body Interior Exterior: Door panels, seats, dashboard, trim, exterior panels, bumpers, glass, seals, body repair, rust prevention Body Electrical: Lighting system, power windows, central locking, wipers, horn, dashboard instrumentation, switches, wiring harnesses, fuse box diagrams HVAC: Heating system, ventilation, air conditioning (compressor, refrigerant, evaporator, condenser), blower motor, controls, diagnosis and recharge procedures Procedures Included Maintenance: Oil change, filter replacement, spark plug replacement, air filter replacement, coolant flush, brake fluid flush, transmission fluid change, tune-ups, belt inspection/replacement Troubleshooting: Diagnostic charts for common problems, symptom-based troubleshooting guides, electrical system diagnostics, engine performance issues Repair: Step-by-step instructions for component removal, installation, overhaul, and adjustment Diagnostics: Fault code retrieval (OBD-I if applicable), sensor testing, component testing procedures Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) Illustrations: Includes diagrams, illustrations, and photographs Schematics: Detailed wiring schematics and system diagrams 📊 Manual Specifications File Format Compatibility: Compatible with all versions of Windows and Mac Viewing Requirements: Adobe PDF Reader Print Quality Printability: All pages are printable Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Codes: B3, E3, (and potentially others depending on market, e.g., JDM BP variants in some markets for similar platforms) Performance Displacement Liter B3: 1.3L Horsepower B3: Approx. 63-72 hp (depending on emission standards and tuning) Torque B3: Approx. 100-110 Nm (depending on tuning) Fuel System Fuel Delivery Early Models: Carburetor Fuel Delivery Late Models: Multi-point Fuel Injection (MPI) 🔧 Transmission Standard Transmission Type: 5-speed Manual Transaxle Optional Transmission Type: 3-speed or 4-speed Automatic Transaxle (depending on market and model year) Features Drive Layout: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Body Styles: 3-door hatchback, 5-door hatchback, 4-door sedan, 5-door wagon Weights Curb Weight Approx: 900 - 1100 kg (depending on body style and equipment) 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data available from this era for many global markets; manual may detail structural integrity and passive safety features Active Features Active Safety: ABS (Anti-lock Braking System) available on some higher trims/later models Passive Features Passive Safety: Seat belts, reinforced body structure 💡 Technology Features Infotainment Audio System: Basic AM/FM radio with cassette player, optional CD player on later models Driver Assistance Driver Assistance Features: Limited to basic safety systems; no advanced driver-assistance systems (ADAS) typical of modern vehicles Connectivity Connectivity Options: N/A (No built-in connectivity features like Bluetooth or USB) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 miles or 6-12 months (refer to manual for exact interval based on driving conditions) Timing Belt Replacement: Recommended...