🏷️ Basic Information Identification Make: Mazda Model: 121 Year: 1990-1991 Generation Generation Code: DA 👋 Introduction Market Position Target Audience: Technicians, mechanics, and car owners seeking detailed repair and maintenance information Vehicle Segment: Subcompact hatchback, known for its affordability and fuel efficiency. Competitive Analysis Advantage: Low price, great quality, instant download access, comprehensive coverage Key Features Features: Official factory manual, hundreds/thousands of printable pages, diagrams, electrical schematics, troubleshooting guides 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Page Count Estimated Pages: High (hundreds or thousands) Manual Type Type: Factory Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Service Repair: Detailed engine overhaul, diagnostics, and repair procedures Transmission Service Repair: Manual and automatic transmission service, repair, and overhaul Brake System: Front and rear brake systems, including discs, drums, hydraulic lines, and ABS (if applicable) Wiring Diagram: Comprehensive electrical wiring diagrams for all vehicle systems Electrical System: Detailed coverage of starting, charging, lighting, ignition, and accessory systems Suspension: Front and rear suspension components, alignment, and repair procedures Steering: Power steering system, steering rack, and linkage repair Cooling System: Radiator, thermostat, water pump, and coolant flow diagnostics Fuel Injection: Fuel injection system components, diagnostics, and calibration Fuel System: Fuel pump, tank, lines, and filter service Emission System: Emissions control devices, diagnosis, and repair Heater Air Conditional: HVAC system diagnosis and repair, including refrigerant servicing Engine Control System: ECU, sensors, actuators, and diagnostic trouble codes (DTCs) Chassis Body: Body structure, panels, doors, and chassis components Restraint System: Seat belts, airbags (if applicable), and associated systems Interior: Interior trim, seats, dashboard, and console removal/installation Differential Drive: Front-wheel drive axle and differential service Axle: Front axle and drive shaft components General Maintenance: Routine checks, fluid changes, filter replacements, and adjustments Troubleshooting: Diagnostic charts and procedures for identifying and resolving common faults Periodic Lubrication: Lubrication points and recommended service intervals Exhaust System: Component identification, inspection, and replacement of exhaust pipes, muffler, and catalytic converter. Wheels Tires: Tire rotation, balancing, inspection, and wheel mounting procedures. Bolt pattern: 4x100mm. Lighting System: Headlights, taillights, interior lighting, bulb replacement, and circuit diagnostics. Engine Control Module: ECM/ECU functions, sensor inputs (MAP, TPS, O2), actuator outputs (injectors, ignition coils), and diagnostic procedures. Procedures Included Diagnostic Procedures: System-specific diagnostic trees, symptom-based troubleshooting Repair Procedures: Step-by-step instructions for component removal, repair, and reinstallation Maintenance Procedures: Scheduled maintenance tasks and roadside checks Technical Data: Specifications, torque values, clearances, and tolerances Engine Overhaul: Complete engine teardown, cleaning, inspection, measurement, and reassembly with specifications. Brake Bleeding: Detailed procedures for bleeding the hydraulic brake system. Diagnostics Troubleshooting Charts: Flowcharts and tables to systematically diagnose problems based on symptoms. Ignition System Repair: Ignition timing adjustment, distributor service, spark plug replacement, ignition coil testing. Wheel Alignment Specs: Camber, caster, toe-in specifications for front and rear axles. Technical Depth Depth: Comprehensive factory-level detail suitable for professional technicians and advanced DIY users Diagnostic Tools: Mentions specific diagnostic tools or procedures, e.g., timing light, multimeter usage, sometimes basic scan tool references for EFI models. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Searchability: PDF files are typically searchable, allowing quick access to specific terms. Print Quality Quality: Great Quality, Printable Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) Requirements Software Requirements: Adobe PDF Reader & WinZip (for larger files) ⚙️ Engine Specifications Primary Engine Engine Options: Likely includes 1.1L (B1) and 1.3L (B3) inline-four petrol engines common to this generation. Performance Horsepower Torque: Specific figures vary by engine and market, but expect around 60-75 HP for the 1.3L variant. Exact data would be in the manual. Fuel System Fuel Delivery: Likely a mix of carbureted and early fuel injection (Electronic Fuel Injection - EFI) systems depending on model year and market. Engine Code Typical Codes: B1 (1.1L), B3 (1.3L). Specific engine codes are crucial for accurate parts and service. 🔧 Transmission Standard Transmission Type Standard: Typically a 5-speed manual transmission. Optional Transmission Type Optional: A 3-speed or 4-speed automatic transmission was often available. Features Transmission Fluid Type: Manual: GL-4 or GL-5 gear oil; Automatic: ATF Dexron II or equivalent. Specifics in manual. 📐 Dimensions Exterior Body Styles: Primarily a 3-door hatchback, with some markets possibly offering a 5-door variant or even a sedan (Capella/626 based). Weights Curb Weight: Curb weight typically ranged from 800-950 kg depending on engine and equipment. Specifics in manual. 🛡️ Safety Features Passive Features Safety Features Standard: Seat belts, reinforced body structure. Airbags were not standard on most base models of this era but may have been optional. 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio with cassette player. Manual covers speaker system and antenna. Driver Assistance Driver Assistance Features: Limited to basic systems like power steering (if equipped). No advanced electronic driver aids. 🔧 Maintenance Service Intervals Oil Change...