🏷️ Basic Information Identification Make: Mazda Model: RX-7 Model Code: SA22C (First Generation) Year: 1981 Codes Chassis Code: SA22C 👋 Introduction Market Position Positioning: The 1981 Mazda RX-7 (SA22C) represented a peak in affordable, sporty coupe design. It offered unique rotary engine performance and handling that set it apart from its contemporaries, targeting enthusiasts seeking a driver-focused experience. Competitive Analysis Competitors: Competed against cars like the Datsun 280ZX, Toyota Celica Supra, and Ford Mustang, but offered a distinct engine technology and driving character. Key Features Distinguishing Features: Lightweight construction, excellent weight distribution, sophisticated styling, and the unique, smooth power delivery of the Wankel rotary engine. Manual Value Value Proposition: This technician training manual is invaluable for understanding the intricacies of the first-generation RX-7, especially its rotary powertrain. Its rarity and technical depth make it a crucial resource for restoration, repair, and performance tuning. 📋 Manual Details Coverage Areas Systems Covered: Engine (Rotary), Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Clutch, Transmission (Manual & Automatic), Driveshaft, Differential, Suspension (Front & Rear), Steering, Brakes (Front Disc, Rear Disc), Electrical System, Body Panels, Interior Trim, HVAC, Emissions Control Page Count Estimated Page Count: Approximately 500+ pages (typical for a comprehensive technician manual of this era) Manual Type Type: Technician Training Manual / Service Manual Language Language: English Format Format: Printed Book 📖 Manual Coverage Systems Covered Engine Systems: Detailed breakdown of the 13B rotary engine, including rotor housing, apex seals, eccentric shaft, lubrication, cooling, ignition timing, fuel injection (if applicable for 1981 models or specific markets), and exhaust system diagnostics. Drivetrain Systems: Covers manual and optional automatic transmissions, clutch operation and adjustment, driveshaft, U-joints, rear axle assembly, differential, and axle bearings. Chassis Systems Suspension Steering Brakes: Comprehensive coverage of front strut suspension, rear multi-link suspension, power steering system operation, brake system diagnostics (including master cylinder, calipers, rotors, and fluid), parking brake. Electrical Systems Wiring Diagnostics: Includes detailed wiring diagrams, troubleshooting charts for electrical components, lighting systems, charging system (alternator, battery), starting system, and instrumentation. Procedures Included Maintenance Procedures: Routine maintenance tasks such as oil changes, filter replacements, spark plug (spark rotor) checks, coolant flushes, brake fluid changes, and general lubrication. Repair Procedures: Step-by-step instructions for component removal, installation, adjustment, and repair for all major systems, including engine rebuild procedures specific to the 13B rotary. Focus on diagnostic and corrective actions. Troubleshooting Diagnostics: Extensive diagnostic flowcharts and symptom-based troubleshooting guides for common and uncommon issues, particularly focusing on the unique characteristics of the rotary engine. Technical Depth Depth: Advanced technician level, covering detailed specifications, tolerances, testing procedures, and diagnostic strategies. Suitable for professional mechanics and advanced DIY enthusiasts familiar with rotary engines. 📊 Manual Specifications File Format File Format: Physical printed document. No digital format specified. Print Quality Print Quality: Likely original dealership quality, with black and white diagrams and text. Condition of used manuals can vary. Binding Type Binding: Typically a sturdy comb or perfect binding for technician manuals of this era. Paper Type Paper Quality: Durable paper stock suitable for workshop environments, though may be aged. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Rotary (Wankel) Engine Code: 13B Displacement: 1.146 L (2 x 573 cc rotor chambers) Performance Horsepower: 100-110 hp (depending on market and specific emissions equipment) Torque: 115-125 lb-ft Fuel System Induction Type: Carbureted (e.g., Nikki 2-barrel carburetor) or Fuel Injection (Bosch L-Jetronic, depending on specific sub-model/market) Engine Internals Rotor Design: Two-rotor design with triangular rotors rotating eccentrically within epitrochoidal housings. 🔧 Transmission Standard Transmission Type: 4-speed Manual (standard on base models) Optional Transmission Type: 5-speed Manual (optional on some trims), 3-speed Automatic (optional) Features Clutch Type: Single dry plate, hydraulically operated Gear Ratios Manual 4 Speed 1St Gear: 3.483:1 (typical) Manual 4 Speed Final Drive: 4.100:1 (typical) 📐 Dimensions Exterior Length: 162.0 inches (4115 mm) Width: 65.4 inches (1660 mm) Height: 50.8 inches (1290 mm) Wheelbase: 95.0 inches (2415 mm) Weights Curb Weight: Approximately 2,450 - 2,650 lbs (1111 - 1202 kg) Cargo Cargo Volume: N/A - Coupe configuration with limited dedicated cargo space beyond the small rear hatch area. 🛡️ Safety Features Ratings NHTSA Rating: No specific NHTSA ratings available for this era, as standards were less stringent. Active Features Braking System: Front ventilated discs, rear discs. Power assisted. Suspension Handling: Designed for balanced handling with a low center of gravity due to the rotary engine. Independent front suspension, live rear axle with locating arms (on some models) or coil springs and trailing arms. Passive Features Seat Belts: Three-point retractable front seat belts. Lap belts for passengers. Body Structure: Reinforced chassis and body structure for improved crashworthiness. 💡 Technology Features Infotainment Audio System: Factory AM/FM radio with cassette player was typical. Basic speaker setup. Driver Assistance ABS: Anti-lock Braking System (ABS) was not standard or commonly available on 1981 models. Rear-wheel disc brakes...