The Mazda RX-7 First Generation (SA22C), produced from 1978 to 1985, is a compact sports car celebrated for its distinctive rotary engine, exceptional handling, and timeless design. This model offered a unique driving experience characterized by smooth operation and a high power-to-weight ratio, positioning it as a compelling alternative to established sports cars of its era. Its sophisticated suspension design and balanced chassis contributed to its renowned agility and driving dynamics, making it a favorite among enthusiasts seeking performance and a connection to the road. The RX-7's classic proportions and enduring styling have cemented its status as an automotive icon. This comprehensive factory service manual provides detailed information for the maintenance, repair, and diagnosis of the Mazda RX-7 First Generation. It covers all essential systems, including the unique rotary powertrain (12A engine), fuel and ignition systems, chassis components such as suspension and brakes, and the electrical system. The manual includes scheduled maintenance procedures, in-depth repair instructions, diagnostic guides, and critical technical specifications. It is an indispensable resource for owners and professional technicians aiming to preserve the performance, reliability, and longevity of this distinctive rotary-powered sports car. 🏷️ Basic Information Identification Make: Mazda Model: RX-7 Generation: First Generation (SA22C) Generation Years: 1978-1985 Codes Chassis Code: SA22C (North America), FB33 (Japan) Engine Code Primary: 12A (Rotary) Engine Code Secondary: 13B (Later models, often with fuel injection, but manual focuses on carbureted 12A for this range) 👋 Introduction Market Position Vehicle Segment: Compact Sports Car Target Audience: Enthusiasts seeking performance, handling, and a unique rotary engine experience. Competitive Analysis Competitors: Datsun Z-cars (240Z/260Z/280Z), Toyota Celica Supra, Porsche 924, Fiat X1/9 Key Features Rotary Engine: Smooth operation, high power-to-weight ratio, unique driving feel. Handling: Excellent weight distribution, sophisticated suspension design, praised for its agility. Design: Classic, timeless styling with a long hood and short deck proportion. Manual Value Utility For Owners: Essential for diagnosing and repairing the unique rotary engine, maintaining optimal performance, and preserving the vehicle's value. Utility For Professionals: Provides factory-accurate procedures and specifications for efficient and correct repairs, especially for the specialized rotary engine. 📋 Manual Details Coverage Areas Manual Scope: Comprehensive service and repair Page Count Estimated Pages: 300-500+ (typical for a full factory service manual) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine (Rotary 12A), Fuel System (Carburetor), Ignition System, Exhaust System, Transmission (Manual & Automatic), Driveline Chassis: Suspension (Front & Rear), Steering, Brakes (Front Disc, Rear Drum), Wheels & Tires Electrical: Wiring Diagrams, Lighting, Instruments, Charging System, Starting System, Accessories Body And Interior: Body Panels, Doors, Windows, Seats, Upholstery, HVAC (Heating, Ventilation, Air Conditioning) Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication Repair: Engine Overhaul, Carburetor Rebuild, Transmission Repair, Suspension Overhaul, Brake System Repair, Electrical Component Replacement Diagnostics: Troubleshooting Guides, Symptom-Based Diagnosis, Component Testing Specifications: Torque Specifications, Clearances, Test Data, Component Tolerances Technical Depth Depth: Expert-level detail for professional technicians and serious DIY enthusiasts; covers diagnostic procedures, component removal/installation, and detailed rebuilds. 📊 Manual Specifications File Format Quality: High-resolution scans, typically searchable text for easy navigation. Print Quality Reproducibility: Printable pages for use in a workshop environment. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Mazda Wankel Rotary Engine Code: 12A Displacement Equivalent: 1146 cc (Rotary engine displacement is calculated differently) Rotor Housing Design: Two-rotor Performance Horsepower Range: Approx. 100-135 hp (depending on year and emissions controls) Torque Range: Approx. 110-125 lb-ft Fuel System Carburetor Type: Hitachi Twin-Choke Downdraft (e.g., DCH-333 for 1979-1980 models) Fuel Type: Unleaded gasoline (91 octane or higher recommended) Fuel Pump: Mechanical Lubrication Oil Type: API SF or SG, SAE 10W-30 or 10W-40 (refer to manual for specific temperature ranges) Oil Capacity: Approx. 5.0 US quarts (4.7 liters) with filter Ignition System Ignition Type: Distributor-based electronic ignition (CDI - Capacitor Discharge Ignition in some models) Cooling System Coolant Type: Ethylene glycol-based antifreeze (50/50 mix with distilled water) 🔧 Transmission Standard Type: 4-speed manual Optional Type: 3-speed automatic Features Manual Gear Ratios: Refer to specific model year in manual (e.g., 3.60:1 1st gear, 1.95:1 2nd, 1.30:1 3rd, 1.00:1 4th, 3.44:1 Reverse) Automatic Features: Torque converter, lock-up clutch (later models) Fluid Specifications Manual Fluid: API GL-4 SAE 75W-90 or 80W-90 gear oil Automatic Fluid: Dexron II or equivalent 📐 Dimensions Exterior Body Style: 2-door Coupe, 2-door Fastback/Hatchback Wheelbase: 95.3 inches (2420 mm) Length: 163.0 inches (4140 mm) Width: 65.4 inches (1661 mm) Height: 51.0 inches (1295 mm) Weights Curb Weight: Approx. 2300-2500 lbs (1043-1134 kg) Gross Vehicle Weight Rating: Refer to vehicle data plate 🛡️ Safety Features Ratings NHTSA Ratings: Not specifically rated by modern NHTSA standards; safety features were typical for the era. Active Features Braking System: Front ventilated disc brakes, Rear drum brakes (upgrade...