🏷️ Basic Information Identification Make: Mazda Model: 121 Alternative Model Names: Mazda Revue, Autozam Revue Production Years Covered: 1990-1998 Generation Generation Code: DA (JDM/European focus), DB (Global focus) 👋 Introduction Market Position Vehicle Segment: Subcompact hatchback and sedan Competitive Analysis Competitors 1990S: Ford Fiesta, Opel Corsa, Volkswagen Polo, Toyota Starlet, Honda Civic (early generations) Key Features Design Philosophy: Practical, economical, and city-friendly transportation Manual Benefit: Empowers owners and technicians with comprehensive repair knowledge 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Scope: Repair, maintenance, rebuilding, refurbishment, restoration Target Audience: Professional technicians, mechanics, DIY enthusiasts Page Count Page Count: Not specified, but described as 'highly detailed' and 'complete' Manual Type Language: English (implied by product description) Format File Type: PDF Digital Delivery: Downloadable Compatibility: All versions of Windows, Mac, Linux 📖 Manual Coverage Systems Covered Engine Mechanical: Yes Engine Lubrication System: Yes Engine Cooling System: Yes Engine Control System: Yes Fuel System: Yes Exhaust System: Yes Clutch: Yes Manual Transaxle: Yes Automatic Transaxle: Yes Front Axle: Yes Rear Axle: Yes Front Suspension: Yes Rear Suspension: Yes Road Wheels And Tires: Yes Brake System: Yes Parking Brake System: Yes Brake Control System: Yes Power Steering System: Yes Steering System: Yes Seat Belts: Yes Supplemental Restraint System Srs: Yes Body Lock And Security System: Yes Glasses Window System And Mirrors: Yes Roof: Yes Exterior And Interior: Yes Instrumental Panel: Yes Seats: Yes Air Conditioner System: Yes Wiring Diagrams: Yes Starting And Charging System: Yes Lighting System: Yes Driver Information System: Yes Wiper Washer And Horn: Yes Body Control System: Yes Lan System: Yes (likely referring to communication networks within the vehicle) Audio Visual Navigation And Telephone System: Yes Auto Cruise Control System: Yes Power Supply Ground And Circuit Elements: Yes Maintenance Procedures: Yes Procedures Included Diagnostic Procedures: Yes, covered in great detail Repair Procedures: Yes, covered in great detail, A-Z Technical Depth Depth Of Information: Comprehensive, equivalent to professional technician manuals Visuals: High quality photos, illustrations, and diagrams Searchability: Implied by PDF format and alphabetical index 📊 Manual Specifications File Format Primary Format: PDF Readability: Requires PDF Reader Print Quality Print Capability: Printable for offline use Durability: Digital format avoids wear and tear of physical manuals Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Displacement Variants: Likely 1.1L, 1.3L, and potentially 1.5L for later models or specific markets. Primarily B-series engines. Performance Horsepower Range: Approx. 55-75 HP for typical 1.1L/1.3L variants, potentially higher for 1.5L. Torque Range: Approx. 80-100 Nm for typical 1.1L/1.3L variants. Fuel System Fuel Delivery: Carburetor (early models) and Fuel Injection (later models/higher trims) Engine Codes Common Engine Codes: B11, B3, B5 (example: B3 is a 1.3L engine) 🔧 Transmission Standard Standard Transmission Type: 5-speed manual transaxle Optional Optional Transmission Type: 3-speed automatic transaxle Features Drivetrain: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Body Styles: 3-door hatchback, 5-door hatchback, 4-door sedan (depending on market and generation) Weights Curb Weight Range: Approx. 850-1000 kg, depending on body style and equipment. 🛡️ Safety Features Ratings Crash Test Data: Limited public data for this era; manual would contain specific structural and safety system diagnostics. Passive Features Passive Restraints: Seat belts (front and rear), potentially driver airbag in later or higher trim models. 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio with cassette player. Later models or higher trims may have CD players. Driver Assistance Driver Assistance Systems: Limited. Likely includes power steering on higher trims, ABS may be optional or standard on specific models. Connectivity Connectivity Options: Minimal; primarily internal vehicle systems covered by the manual's electrical section. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on driving conditions. Timing Belt Replacement: Crucial! Typically around 60,000 miles (96,000 km) or 4 years. Manual will specify exact interval and procedure. Fluid Specifications Engine Oil Type: API SG or higher, SAE 10W-30 or 10W-40 recommended (manual will confirm specific grade). Coolant Type: Ethylene glycol based, 50/50 mix with distilled water. Manual will specify Mazda-approved coolant. Brake Fluid Type: DOT 3 or DOT 4 (manual will specify exact type). Transmission Fluid Type Manual: API GL-4, SAE 75W-90 or 80W-90 (manual will confirm). Transmission Fluid Type Automatic: Mazda ATF-III or equivalent (manual will confirm specific type and capacity). Known Issues Common Wear Items: Clutch wear, brake component wear, suspension bushings, exhaust system corrosion, aging electrical connectors. Engine Specific Concerns: Potential for oil leaks from seals, occasional carburetor issues on older models, timing belt failure if not replaced on schedule. 📚 Vehicle History Brand Heritage Mazda Heritage: Mazda has a long history of producing reliable and engaging vehicles, often with innovative engineering. Model Evolution First Generation 121: Introduced in the mid-1980s, initially based on the Ford Festiva platform in some markets. Second Generation 121 Da Db:...