The Mazda RX-2, produced between 1971 and 1974, is a distinctive compact sports coupe and sedan celebrated for its innovative rotary engine technology. This unique powertrain, the Mazda 12A, offered a smooth, high-revving performance that set it apart from its piston-engined competitors like the Datsun 240Z and Toyota Celica. Available in 2-door Coupe and 4-door Sedan body styles, the RX-2 featured a monocoque chassis and was equipped with front disc and rear drum brakes. Its sporty handling and distinctive styling contributed to Mazda's early global market expansion, making it a notable vehicle of its era. This comprehensive factory service manual provides in-depth guidance for the maintenance, repair, and troubleshooting of the Mazda RX-2 (chassis codes S102A and S124A). It covers all essential systems, including the rotary engine, manual and automatic transmissions, brakes, suspension, steering, electrical systems, and bodywork. Detailed procedures for routine maintenance, component replacement, engine overhauls, and diagnostic charts are included, alongside critical technical specifications such as torque values and fluid capacities. This manual is an indispensable resource for owners and technicians seeking to preserve and maintain the performance and integrity of this classic rotary-powered vehicle. 🏷️ Basic Information Identification Make: Mazda Model: RX-2 Year Range: 1971-1974 Codes Chassis Code: S102A (Coupe), S124A (Sedan) 👋 Introduction Market Position Segment: Compact Sports Coupe/Sedan Competitive Analysis Competitors: Datsun 240Z, Toyota Celica, Ford Capri, Triumph TR6, Alfa Romeo GTV. Key Features Powertrain Distinctiveness: Unique rotary engine offering a smooth, high-revving power delivery, differentiating it from piston-engined competitors. Target Audience Mechanic Level: Suitable for both DIY enthusiasts with basic mechanical knowledge and professional mechanics seeking detailed factory procedures. Manual Value Proposition Value: Provides authoritative, factory-level repair and maintenance information for preserving and restoring the classic RX-2. 📋 Manual Details Coverage Areas Covered Regions: Global (primarily North American market focus implied by language) Page Count Estimated Page Count: Extensive (typical for a factory service manual, likely several hundred pages) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Rotary (12A) engine service, maintenance, overhaul, troubleshooting, lubrication, cooling, ignition, fuel delivery, emissions control. Transmission: Manual and automatic transmission service, repair, clutch, driveline components. Brakes: Hydraulic brake system diagnosis, repair, front disc and rear drum brake service, parking brake. Suspension: Front and rear suspension component inspection, service, alignment specifications, shock absorbers, springs. Steering: Steering gear service, linkage inspection, power steering system (if equipped). Electrical: Complete electrical system diagnosis, wiring diagrams, battery, charging system (alternator), starting system, ignition system, lighting, instrumentation, accessories. Body: Body panel repair, doors, windows, glass, interior trim, weatherstripping, body mounting. HVAC: Heating, ventilation, and air conditioning system (if factory equipped) service and repair. Procedures Included Maintenance: Routine scheduled maintenance, oil changes, filter replacements, spark plug service, ignition timing adjustment, carburetor adjustment, cooling system flushing. Repair: Component replacement, engine rebuild procedures, transmission overhaul, brake caliper/wheel cylinder service, suspension arm replacement, steering rack repair. Troubleshooting: Diagnostic charts and procedures for common drivability issues, electrical faults, mechanical problems. Specifications: Torque specifications for all fasteners, engine clearances, alignment settings, fluid capacities, electrical system values. Technical Depth Depth: Comprehensive. Covers from basic tune-ups to complete engine and transmission overhauls. Detailed diagnostic procedures are included. 📊 Manual Specifications File Format Quality: High-resolution PDF with clear, legible text and sharp diagrams. Print Quality Printability: Full Printable (allows for printing of individual pages or the entire manual). Binding Type Binding: Digital (PDF) - no physical binding. Paper Type Paper Type: N/A (Digital Format) Accessibility Zoom Functionality: Yes (allows zooming in and out for detailed examination of diagrams and text). ⚙️ Engine Specifications Primary Engine Engine Type: Mazda 12A Rotary (Wankel) Engine Configuration: Two-rotor, naturally aspirated Displacement: 1146 cc (actual displacement of the 12A) Performance Horsepower Est: Approx. 120-135 hp (depending on specific model year and market emissions controls) Torque Est: Approx. 115-125 lb-ft (depending on specific model year and market emissions controls) Fuel System Carburetion: Typically twin-choke downdraft carburetors (e.g., Hitachi, Mikuni depending on year/market). Maintenance Spark Plugs: Specific NGK or Champion part numbers detailed in manual, requiring specific heat ranges for rotary engines. Technical Features Apex Seals: Critical component requiring specific material and clearance specifications for engine longevity. Lubrication: Separate oil injection system for apex seals and side seals (often referred to as 'pre-mix' in essence, but automated). 🔧 Transmission Standard Type: 4-speed manual transmission Optional Type: 3-speed automatic transmission (TorqueFlite based, licensed from Chrysler) Features Clutch: Single dry plate clutch, hydraulic actuation. Fluid Specs Manual Transmission Fluid: GL-4 Gear Oil, SAE 75W-90 or 80W-90 (specific manufacturer recommendations in manual). Automatic Transmission Fluid: Dexron III/Mercon equivalent (originally Type A Suffix A or Dexron II). 📐 Dimensions Exterior Body Styles: 2-door Coupe, 4-door Sedan Wheelbase Coupe: Approx. 2420 mm (95.3 in) Wheelbase Sedan: Approx. 2425 mm (95.5 in) Weights Curb Weight Est: Approx. 980-1100 kg (2160-2425 lbs) depending...