🏷️ Basic Information Identification Make: Mazda Model: RX-3 Model Variant: RX3 Body Styles Covered: Coupe, Sedan, Station Wagon Codes Chassis Codes: S102, S122 👋 Introduction Market Position Segment: Compact Sports Coupe/Sedan/Wagon Positioning: Affordable, sporty, rotary-powered Japanese vehicle Competitive Analysis Competitors: Datsun 240Z/260Z, Toyota Celica, Nissan Skyline (early generations), Ford Escort Key Features Engine Type: Unique Mazda Wankel rotary engine Design Inspiration: European sports car styling cues Handling: Renowned for agile handling and lightweight chassis 📋 Manual Details Coverage Areas Covered Years: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978 Page Count Estimated Page Count: Hundreds Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Rotary engine (12A) disassembly, assembly, inspection, overhaul Fuel System: Carburetor (various models), fuel pump, fuel lines, fuel tank Ignition System: Distributor, ignition coils, spark plugs, wiring Cooling System: Radiator, water pump, thermostat, hoses, fan Lubrication System: Oil pump, oil filter, oil passages, oil requirements Exhaust System: Exhaust manifold, pipes, muffler, catalytic converter (where applicable) Transmission Manual: Clutch, gearbox (4-speed and 5-speed) disassembly, assembly, adjustments Transmission Automatic: Automatic transmission (optional) service and adjustments Driveline: Propeller shaft, differential, drive axles Suspension Front: MacPherson struts, control arms, bushings, springs, shock absorbers Suspension Rear: Leaf springs, shock absorbers, locating links (depending on body style) Steering System: Steering box, steering column, tie rods, linkages Brake System: Front disc brakes, rear drum brakes, master cylinder, brake lines, calipers, wheel cylinders Electrical System: Battery, alternator, starter motor, lighting, gauges, wiring diagrams Body And Chassis: Body panel removal/installation, frame components, weatherstripping Interior: Seating, dashboard, trim panels, carpets, headliner Heating And Ventilation: HVAC system components, blower motor, heater core, A/C (if equipped) Exterior: Bumpers, grille, doors, hood, trunk lid, glass, trim Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, fluid level checks Engine Overhaul: Complete engine rebuild procedures for the 12A rotary engine Transmission Repair: Gearbox disassembly, reassembly, synchro ring replacement, bearing service Suspension Diagnosis And Repair: Wheel bearing replacement, strut replacement, bushing renewal Brake Service: Pad/shoe replacement, caliper/wheel cylinder overhaul, bleeding procedure Electrical Troubleshooting: Diagnostic procedures for common electrical faults, wiring harness repair Carburetor Adjustment And Rebuild: Detailed procedures for setting idle speed, mixture, and rebuilding carburetor units Rotary Apex Seal Inspection: Procedures for assessing apex seal wear and potential replacement Cooling System Flush And Refill: Proper procedures for draining, flushing, and refilling the cooling system Ignition Timing Adjustment: Setting ignition timing using a timing light Wheel Alignment Specifications: Front and rear wheel alignment angles Troubleshooting Guides: Step-by-step diagnostics for common issues Technical Depth Depth: Complete factory-level repair and overhaul information Detail Level: Hundreds of photos and illustrations, detailed substeps, notes, cautions, warnings Diagnostic Tools: Information on basic diagnostic tools and techniques required 📊 Manual Specifications File Format Format: PDF Compatibility: Windows and Mac operating systems Print Quality Printability: Printable without restriction Image Resolution: High-quality for clear viewing of illustrations Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 12A Engine Type: Rotary (Wankel) Engine Displacement Swept Volume: 1146 cc (approx. 69.9 cu in) Rotor Housing Design: Two-rotor Performance Horsepower Est: 80-110 hp (depending on emissions controls and year) Torque Est: 90-100 lb-ft (depending on emissions controls and year) Fuel System Carburetor Type: Single or Twin Solex, Hitachi, or Mikuni carburetors (model dependent) Fuel Type: Unleaded gasoline (later models) Oil System Oil Type: Specific rotary engine oil or SAE 20W-50 (refer to manual for precise specs) Oil Capacity: Approx. 4.5-5.0 liters (including filter, consult manual) 🔧 Transmission Standard Transmission Type: 4-speed manual Optional Transmission Type: 3-speed automatic (e.g., Toyo Kogyo 'TorqueFlite' derivative) Features Clutch Type: Single dry plate, diaphragm spring 📐 Dimensions Exterior Wheelbase: Approx. 95.5 inches (2425 mm) Length: Approx. 161.2 - 171.7 inches (4095 - 4360 mm, body style dependent) Width: Approx. 63.8 inches (1620 mm) Height: Approx. 52.0 - 53.1 inches (1320 - 1350 mm, body style dependent) Weights Curb Weight: Approx. 2000 - 2300 lbs (907 - 1043 kg, depending on body style and equipment) 🛡️ Safety Features Ratings Crash Test Data: Limited official data available from the era; emphasis on passive restraint systems of the time Active Features Brakes: Front disc, rear drum (standard); some later models may have had optional rear discs Steering: Recirculating ball steering system Passive Features Seatbelts: Standard lap and shoulder belts Headlights: Dual or quad sealed-beam or composite headlights 💡 Technology Features Infotainment Radio: AM/FM radio, optional cassette player Gauges: Speedometer, tachometer, fuel gauge, temperature gauge, oil pressure warning light Driver Assistance Braking Assist: Power assist for brakes (optional on some models) Connectivity Connectivity Features: N/A (era appropriate) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 3 months (check manual for specific year/model) Spark Plug Replacement: Every 15,000 - 20,000 miles (special rotary spark plugs)...