🏷️ Basic Information Identification Make: Mazda Model: RX-2 / RX-3 Model Years Covered: 1971-1977 Codes Chassis Codes: S102A (RX-2 Coupe), S124A (RX-2 Sedan), S108A (RX-3 Coupe), S118A (RX-3 Sedan/Wagon) 👋 Introduction Market Position Target Audience: DIY enthusiasts, professional mechanics, Mazda enthusiasts seeking in-depth knowledge of these rotary-powered classics. Competitive Analysis Value Proposition: Provides the same factory-level information used by dealership technicians, enabling comprehensive self-service and repair, saving significant costs. Key Features Manual Advantages: Instant download, searchable PDF, printable pages, high-quality diagrams, specific to the vehicle, covers all repairs. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z Page Count Page Count: Not specified, but described as comprehensive and containing everything needed. Manual Type Manual Type: Complete Official Full Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Rotary engine (12A) internal components, lubrication, cooling, fuel injection/carburetion, ignition system, exhaust system Transmission Systems: Manual transmission (4-speed and 5-speed), clutch, driveshafts, differentials Chassis Systems: Suspension (front and rear), steering, braking system (drum and disc), wheels and tires Electrical Systems: Wiring diagrams, lighting, instrumentation, starting and charging system, fuses, relays, accessories Body And Interior: Body panels, doors, windows, seats, trim, climate control (heater, ventilation) Procedures Included Repair Procedures: Step-by-step repair instructions for all major and minor components Maintenance Procedures: Routine maintenance, fluid changes, lubrication, inspections, adjustments Troubleshooting: Diagnostic procedures for common and uncommon issues, fault finding guides Technical Data: Specifications, measurements, clearances, torque values, tolerances Technical Depth Depth Of Coverage: Factory level detail, comprehensive diagnostic information, full rebuild procedures 📊 Manual Specifications File Format Print Quality: Full printable, zoom in/out capabilities for detailed viewing of diagrams and text Binding Type Binding Type: Digital (PDF Download) Paper Type Paper Type: N/A (Digital file, printable on demand) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Code: 12A Performance Horsepower Range: Approx. 110-125 hp (depending on market and specific model/carburetion) Torque Range: Approx. 115-125 lb-ft (depending on market and specific model/carburetion) Fuel System Fuel Delivery: Carburetor (e.g., Hitachi, Nikki) or early fuel injection systems (less common) Fuel Type: Unleaded gasoline (may require specific octane ratings as per manual) 🔧 Transmission Standard Transmission Type: 4-speed manual (standard on many models) Optional Optional Transmission: 5-speed manual (available on some higher trims/models); 3-speed automatic (available on some models) Features Clutch Type: Single dry plate 📐 Dimensions Exterior Body Styles: Coupe, Sedan, Wagon Wheelbase Range: Approximately 95.5 inches (2425 mm) Weights Curb Weight Range: Approximately 2100-2500 lbs (950-1135 kg) depending on body style and equipment. 🛡️ Safety Features Ratings Safety Features Era: Basic safety features for the era; dual-circuit hydraulic brakes, seat belts, padded dashboard, collapsible steering column. Active Features Braking System: Front disc brakes (standard on most RX-2/RX-3, though early models/trims might have had all-drum), rear drum brakes. Dual-circuit hydraulic system. Passive Features Restraint Systems: Lap and shoulder belts (front), lap belts (rear). Body-structure integrity typical for the era. 💡 Technology Features Infotainment Infotainment Era: Basic for the era: AM/FM radio (optional), analogue gauges. Driver Assistance Driver Assistance Features: None beyond standard braking and steering systems. Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 3-6 months. Specific interval to be confirmed in manual. Spark Plug Service: Requires specific pre-mixed oil for lubrication of apex seals; interval for apex seal inspection/replacement is critical and detailed in the manual. Fluid Specifications Engine Oil Type: Specific rotary engine oil or a high-quality mineral/synthetic oil meeting Mazda's specifications for the 12A engine. Crucially, requires oil injection into the fuel or intake tract for apex seal lubrication. Manual will specify viscosity and type. Transmission Fluid Type: Manual transmission fluid (MTF) or gear oil, viscosity to be specified in the manual (e.g., GL-4). Coolant Type: Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Specifics in manual. Known Issues Rotary Apex Seals: Wear or failure of apex seals is a common issue in high-mileage rotary engines, leading to compression loss. Manual provides diagnosis and rebuild procedures. Carburetor Issues: Carburetor wear, clogging, or tuning issues can affect performance and fuel economy. Manual details carburetor overhaul and adjustment. Oil Injection System: Blockage or failure of the oil injection system can lead to rapid apex seal wear. Manual covers diagnosis and repair of this critical system. 📚 Vehicle History Brand Heritage Mazda Rotary Pioneer: These models were crucial in establishing Mazda as a pioneer and innovator in rotary engine technology for mass production vehicles. Model Evolution Development Context: Evolved from earlier rotary Mazda models (like the R100) and paved the way for the iconic RX-7. Production Production Period: 1971-1977 marked the production lifespan of the RX-2 and RX-3 models globally. 🏆 Awards & Recognition Recognitions Rotary Engine Recognition: The Mazda rotary engine itself received significant acclaim for its smooth operation, high power-to-weight ratio, and unique...