🏷️ Basic Information Identification Make: Mazda Model: 121 Model Years Covered: 1988, 1989, 1990, 1991 Generation Generation: DA1 (First Generation) Codes Chassis Codes: DA1 👋 Introduction Market Position Market Position: Compact subcompact car, positioned as an affordable and practical personal vehicle. Competitive Analysis Competitive Analysis: Competed against other subcompacts of the era such as the Ford Fiesta, Nissan Micra (March), Toyota Starlet, and Volkswagen Polo. Known for its fuel efficiency and maneuverability. Key Features Key Features: Compact dimensions, fuel-efficient engines, simple mechanicals, affordable ownership, and practical interior space for its class. 📋 Manual Details Coverage Areas Coverage Areas: All styles and configurations of the Mazda 121 for the specified model years. Page Count Page Count: Hundreds of pages (specific count not provided but described as 'complete' and 'comprehensive'). Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Systems Covered: General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Heater/Air Conditioning, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle. Procedures Included Procedures Included: Step-by-step repair procedures, diagnostic guidance, maintenance tasks, component replacement, system adjustments, troubleshooting common issues, rebuilding procedures. Technical Depth Technical Depth: Comprehensive, covering everything from basic maintenance to advanced diagnostics and complete rebuilds, as used by factory-trained technicians. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High resolution, fully printable (individual pages or entire manual). Binding Type Binding Type: Digital Download (printable format). Paper Type Paper Type: Not applicable (digital delivery). ⚙️ Engine Specifications Primary Engine Primary Engine: 1.1L (1138cc) B1, B1A, B1B Inline-4 SOHC (EGI/Carbureted depending on market/trim) Performance Horsepower Range: Approximately 54-63 hp (market dependent). Torque Range: Approximately 80-88 Nm (market dependent). Fuel System Fuel System: Electronic Gasoline Injection (EGI) or Carbureted (depending on market and specific engine variant). Engine Codes Engine Codes: B1, B1A, B1B 🔧 Transmission Standard Standard Transmission: 4-speed manual Optional Optional Transmission: 3-speed automatic (less common) Features Transmission Features: Front-wheel drive (FWD). 📐 Dimensions Exterior Length: Approximately 3,725 mm (146.7 in) (may vary slightly by body style). Width: Approximately 1,575 mm (62.0 in). Height: Approximately 1,340 mm (52.8 in). Weights Curb Weight: Approximately 750-800 kg (1,650-1,760 lb). Wheelbase: Approximately 2,345 mm (92.3 in). 🛡️ Safety Features Ratings Safety Ratings: No specific crash test ratings from modern agencies are widely available for this model; safety features were typical for its era. Active Features Active Features: Basic braking system. Passive Features Passive Features: Seat belts, potentially energy-absorbing steering column. 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio, optional cassette player. Features are very rudimentary by modern standards. Driver Assistance Driver Assistance Features: None typical for the era. Focus is on basic mechanical operation. Connectivity Connectivity Features: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 km (3,000 - 4,500 miles) or 6 months, whichever comes first (consult manual for exact specifications). Timing Belt Replacement: Recommended replacement every 80,000 - 100,000 km (50,000 - 60,000 miles) or 5-7 years (critical due to interference engine design on some variants). Fluid Specifications Engine Oil Type: API SF or SG, SAE 10W-30 or 10W-40 (consult manual for exact viscosity and specifications). Coolant Type: Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4 (consult manual for specific requirement). Transmission Fluid Type Manual: API GL-4, SAE 75W-90 or 80W-90 gear oil (consult manual for exact specification). Transmission Fluid Type Automatic: Dexron II or equivalent (consult manual for exact specification). Known Issues Known Issues: Rust and corrosion (particularly on body panels, wheel arches, and undercarriage), aging rubber hoses and seals, potential ignition system issues (coil, distributor, spark plug wires), carburetor wear or clogging (on non-EGI models), clutch wear, early electronic component failures (rare but possible). Filter Part Numbers Oil Filter Example: Example: Fram PH3569, Wix 51334, Mahle OC11 Air Filter Example: Example: Fram CA2963, Wix 42154, Mahle LX432 Fuel Filter Example: Example: Fram G3, Wix 33064 📚 Vehicle History Brand Heritage Brand Heritage: Mazda has a long history of producing reliable and driver-focused vehicles, often with innovative engineering for their class. The 121 represents Mazda's entry into the global subcompact segment. Model Evolution Model Evolution: The first-generation Mazda 121 (DA1) was introduced in 1987. It was a front-wheel-drive hatchback designed to be economical and practical. It underwent minor facelifts during its production run. Production Production Period: 1987-1991 (for the DA1 generation). Manufacturing Locations: Primarily manufactured in Japan. 🏆 Awards & Recognition Recognitions Recognitions: Specific awards for the 1988-1991 Mazda 121 are not widely documented. Its strengths were in practicality and affordability within its segment.