The Mazda 121, produced from 1990 to 1998, is a subcompact city car renowned for its compact size, fuel efficiency, affordability, and reliability, making it a popular choice for budget-conscious urban commuters and first-time car buyers. This generation, known as the DA, represented a move towards more in-house development for Mazda, building upon a heritage of creating dependable vehicles. With its straightforward engineering, typically featuring a 1.3L or 1.5L inline-4 cylinder engine and a front-wheel-drive layout, the 121 offered practical transportation and a driving experience that embodied Mazda's Jinba Ittai philosophy of unity between driver and machine. This comprehensive workshop service manual provides detailed information for the maintenance, repair, and diagnostics of the Mazda 121 (DA generation) across its applicable production years. It covers all major vehicle systems, including the engine, transmission, drivetrain, suspension, steering, brakes, electrical systems, fuel, cooling, and exhaust. The manual includes periodic maintenance schedules, troubleshooting guides, step-by-step repair instructions, and overhaul procedures, offering valuable resources for both owners seeking to perform DIY tasks and professional technicians. Its detailed diagrams, specifications, and diagnostic flowcharts ensure accurate and efficient servicing, empowering users to maintain their vehicle's optimal performance and longevity. 🏷️ Basic Information Identification Make: Mazda Model: 121 Generation: DA Production Years: 1990-1998 👋 Introduction Market Position Segment: Subcompact / City Car Target Audience: Budget-conscious urban commuters, first-time car buyers Competitive Analysis Key Competitors: Ford Fiesta, Volkswagen Polo, Nissan Micra, Toyota Starlet Key Features Defining Attributes: Compact size, fuel efficiency, affordability, reliability Manual Advantage Benefit To Owner: Empowers owners to perform DIY maintenance and repairs, saving on labor costs. Professional Use: Provides the accuracy and detail required by professional technicians. 📋 Manual Details Coverage Areas Applicable Years: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 Regions Covered: Global (assumed based on typical Mazda 121 market presence) Page Count Estimated Page Count: Hundreds of pages (as stated in product description) Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Delivery Method: Instant Download File Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, maintenance, repair procedures Transmission: Repair, overhaul, maintenance, fluid specifications Drivetrain: Front-wheel drive system, axle repairs, differential maintenance Suspension: Front and rear suspension components, alignment, shock absorber replacement Steering: Power steering system (if equipped), manual steering components, linkage repair Brakes: Brake system overhaul (front discs, rear drums typically), fluid replacement, bleeding procedures Electrical: Wiring diagrams, component testing, diagnostic procedures for lighting, starting, charging systems Fuel System: Fuel pump, injectors (if applicable), carburetor maintenance (earlier models), fuel tank service Cooling System: Radiator, fan, thermostat, coolant replacement, leak diagnosis Exhaust System: Exhaust pipe, muffler, catalytic converter inspection and replacement Body And Chassis: Body panel repair, door mechanisms, glass replacement, chassis lubrication Procedures Included Maintenance: Periodic maintenance charts, oil change procedures, filter replacements, tune-up specifications Troubleshooting: Diagnostic flowcharts, common fault identification, symptom-based troubleshooting Repair: Step-by-step repair instructions for all major vehicle systems Overhaul: Detailed engine and transmission overhaul procedures Diagnostics: Electrical system diagnostics, engine performance diagnostics Technical Depth Depth: Comprehensive (suitable for professional technicians and advanced DIYers) Detail Level: Detailed diagrams, specifications, and step-by-step instructions 📊 Manual Specifications File Format Zoom Capability: YES (Zoom IN/OUT) Print Quality Printability: Full Printable Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Software Requirements Reader Requirement: Adobe PDF Reader Compression Requirement: WinRAR Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Code Common: B-series (e.g., B3, B5) Displacement Common: 1.3L (1300cc) and 1.5L (1500cc) Configuration Common: Inline-4 cylinder Valvetrain Common: SOHC (Single Overhead Camshaft) Performance Horsepower Range: Approximately 60-75 hp (depending on engine variant and market) Torque Range: Approximately 90-110 Nm (depending on engine variant and market) Fuel System Fuel Delivery Early: Carburetor (for some early models or specific markets) Fuel Delivery Later: Multi-point Fuel Injection (MPI) 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Transmission Optional Transmission Type Optional: 3-speed or 4-speed Automatic Transmission Features Drive Type: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Body Styles: 3-door Hatchback, 5-door Hatchback, sometimes Sedan variants in specific markets Weights Curb Weight Typical: Approximately 850-950 kg 🛡️ Safety Features Ratings Crash Test Info: Limited data available for this era and segment; generally basic safety features. Active Features Braking System: Front disc brakes, rear drum brakes Passive Features Airbags: Optional or standard on later models in some markets (driver side) Seatbelts: Standard front seatbelts, likely lap belts in rear for earlier models 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, cassette player, optional CD player in later models. Driver Assistance ABS: Available on some higher trims or later models as an option. Connectivity Connectivity Features: None in the modern sense; typically basic power accessories if equipped. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months (refer to manual for exact specification) Spark Plug Replacement: Every...