🏷️ Basic Information Identification Make: Mazda Model: RX-2, RX-3 Codes Chassis Codes: S102A (RX-2), S124A (RX-3) Generation Production Years: 1971-1977 👋 Introduction Market Position Target Audience: Enthusiasts, DIY mechanics, and professional workshops specializing in classic Japanese rotary-engine vehicles. Competitive Analysis Value Proposition: Offers complete, professional-grade repair information for the Mazda RX-2 and RX-3, aiming to provide superior coverage and accuracy compared to less expensive or incomplete alternatives. Key Features Content Highlight: Detailed exploded views, step-by-step instructions, comprehensive technical specifications, and extensive troubleshooting guides. 📋 Manual Details Coverage Areas Covered Models Years: Mazda RX-2 and RX-3 models from 1971 to 1977, all variants and repairs A-Z. Page Count Estimated Page Count: Extensive (typical for factory workshop manuals of this era, often 500+ pages depending on specific content). Manual Type Type: Complete Service and Repair Workshop Manual. Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Rotary engine (12A) - lubrication, cooling, fuel system (carburetor/early injection), combustion system, teardown, assembly, timing, seals, apex seals, rotor housing inspection. Transmission: Manual and Automatic transmissions - removal, installation, internal inspection, clutch, driveshafts, differential. Braking System: Front disc brakes, rear drum brakes - hydraulic system, master cylinder, wheel cylinders, brake lines, calipers, pads, shoes, parking brake. Suspension: Front MacPherson struts, rear leaf springs - shock absorbers, springs, control arms, bushings, alignment specifications. Electrical System: Battery, charging system (alternator), starter motor, ignition system (distributor, coil, spark plugs), lighting, instrumentation, wiring diagrams. Body And Chassis: Frame, body panels, fenders, doors, windows, glass, exhaust system, interior trim, seats, dashboard, exterior trim. Steering: Steering gearbox, steering column, tie rods, steering linkage. Cooling System: Radiator, fan, water pump, thermostat, hoses, coolant specifications. Fuel System: Fuel tank, fuel lines, fuel pump, carburetor specifications (e.g., Hitachi, Mikuni) and tuning, early fuel injection (if applicable). Procedures Included Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement, belt adjustments, lubrication points. Engine Repair: Engine removal and installation, complete engine overhaul, apex seal replacement, rotor housing machining, peripheral port/side port differences. Transmission Repair: Clutch disc and pressure plate replacement, transmission synchro ring inspection, gear selection mechanism repair. Brake Repair: Brake pad/shoe replacement, brake fluid flush and bleed, caliper/wheel cylinder rebuilding, parking brake adjustment. Suspension And Steering Repair: Strut replacement, ball joint inspection, bushing replacement, tie rod end replacement, steering gearbox adjustment. Electrical Diagnostics: Troubleshooting ignition system faults, diagnosing charging system issues, tracing wiring for lights and instruments. Bodywork: Panel alignment, door hinge adjustment, window regulator repair, rust prevention and repair guidance. Troubleshooting: Section dedicated to diagnosing common problems with step-by-step solutions for mechanical and electrical issues. Technical Depth Depth: Comprehensive, covering everything from routine maintenance and adjustments to complete engine rebuilds, transmission overhauls, and detailed electrical system diagnostics. Equivalent to factory workshop manuals used by professional mechanics. 📊 Manual Specifications File Format Quality: High-quality PDF with searchable text for easy navigation and printing. Likely includes scanned original documents with clear diagrams and illustrations. Print Quality Printability: Printable - allows users to print specific sections or the entire manual for workshop use. Binding Type Binding: Not applicable (Digital PDF format). Paper Type Paper Type: Not applicable (Digital PDF format). ⚙️ Engine Specifications Primary Engine Engine Type: Mazda 12A Rotary Engine (two-rotor). Displacement: 1146 cc (69.9 cubic inches) Performance Horsepower: Approximately 125-135 hp (SAE gross) depending on year and emissions controls. Torque: Approximately 137-150 lb-ft (SAE gross) depending on year and emissions controls. Fuel System Fuel Delivery: Primarily two-barrel downdraft carburetors (e.g., Hitachi HDA, Mikuni Solex). Later models may have had early fuel injection systems, though less common in this manual's scope. Engine Build Rotor Design: Renesis style with side exhaust ports and peripheral intake ports (early 12A variants). Lubrication Oil Type: Rotary-specific 2-stroke oil (for separate oil injection) or high-quality mineral/synthetic engine oil for pre-mix or conventional lubrication systems. Specific grades like API SG or higher are often recommended. 🔧 Transmission Standard Transmission Type: 4-speed and 5-speed manual transmissions. Optional Transmission Type: 3-speed automatic transmission. Features Clutch Type: Hydraulically actuated single dry plate clutch. Fluid Requirements Gearbox Oil Type: GL-4 manual transmission fluid. Specific viscosity grade will be detailed in the manual (e.g., 75W-90 or 80W-90). Automatic Transmission Fluid: Dexron-II or equivalent automatic transmission fluid. 📐 Dimensions Exterior Body Styles: Coupe, Sedan, Hardtop Coupe, Wagon (RX-3). Weights Curb Weight: Approximately 2200-2500 lbs (1000-1135 kg) depending on body style and configuration. 🛡️ Safety Features Ratings Crash Test Data: No specific government crash test ratings available for vehicles of this era in the modern sense. Safety features were rudimentary compared to today's standards. Active Features Brakes: Front disc brakes, rear drum brakes. Power assist may be optional or standard on higher trims. Passive Features Seatbelts: Lap belts or lap and shoulder belts (often optional or front-only). Steering Column: Collapsible steering column (basic design). 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, often with an...