🏷️ Basic Information Identification Make: Mazda Model: RX-2 Year: 1974 Codes Chassis Code: S124A (Coupe), SA22C (Capella Rotary) 👋 Introduction Market Position Target Audience: Owners of 1974 Mazda RX-2 seeking to perform their own maintenance and repairs Competitive Analysis Value Proposition: Provides factory-specific, comprehensive repair information typically only available to dealership technicians Key Features Diagnostic Focus: Emphasis on specific diagnostic procedures and troubleshooting for the RX-2's unique rotary engine Instructional Method: Step-by-step instructions supported by diagrams, illustrations, and schematics for clarity Content Completeness: Covers all repairs A-Z, not generic information, ensuring model-specific accuracy 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair for the 1974 Mazda RX-2 Model Variants: All models and trims Page Count Estimated Page Count: Extensive (specific number not provided, but described as comprehensive A-Z coverage) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF (digital) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnostics, and repair of the rotary engine Fuel System: Carburetor service, fuel pump, lines, and specifications Ignition System: Ignition timing, spark plugs, coils, distributor, and diagnostics Cooling System: Radiator, hoses, thermostat, water pump, and coolant specifications Lubrication System: Oil pump, oil filter, lubrication intervals, and oil specifications Emission Control: Emission control systems, diagnosis, and component testing Transmission Manual: Service, repair, and overhaul of the manual transmission Transmission Automatic: Service, repair, and overhaul of the automatic transmission (if applicable) Drive Axle: Driveshaft, universal joints, differential, and axle shafts Suspension Front: MacPherson strut, control arms, ball joints, and alignment specifications Suspension Rear: Leaf springs, shock absorbers, and rear axle housing Brakes Front: Disc brake system, calipers, pads, rotors, and hydraulic components Brakes Rear: Drum brake system, wheel cylinders, shoes, and brake drums Parking Brake: Operation, adjustment, and repair of the parking brake system Steering: Steering gearbox, tie rods, steering linkage, and alignment Electrical System: Wiring schematics, battery, charging system, starting system, lighting, and accessories Body Exterior: Doors, hood, trunk, bumpers, glass, and trim Body Interior: Seats, dashboard, instrumentation, trim panels, and carpeting HVAC: Air conditioning and heater core service, diagnosis, and repair Wiper Washer: Wiper motor, linkage, blades, and washer fluid system Instrumentation: Speedometer, tachometer, fuel gauge, temperature gauge, and warning lights Lighting: Headlights, taillights, turn signals, and interior lighting Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, tune-ups Diagnostics: Troubleshooting guides for all major systems, symptom-based diagnosis Repair: Step-by-step instructions for component removal, installation, and adjustment Rebuilds: Complete rebuild procedures for engine, transmission, and other major components Wiring Schematics: Detailed electrical wiring diagrams for all vehicle systems Specifications: Torque values, clearances, fluid capacities, engine timing, and more Technical Depth Depth: Factory-level detail, suitable for professional technicians and experienced DIY enthusiasts 📊 Manual Specifications File Format Compatibility: All versions of Windows and Mac Software Requirements: Adobe PDF Reader, Winzip (free) Print Quality Printability: Fully printable pages, allows for enlarged image printing Binding Type Digital Format Benefit: No greasy pages or lost paper manuals; print only what is needed Paper Type Digital Convenience: Easy to use PDF, searchable content ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Code: 12A Rotor Displacement: 573 cc per rotor (1146 cc total equivalent displacement) Performance Horsepower: Approximately 125-130 hp (SAE gross) Torque: Approximately 130-135 lb-ft (SAE gross) Fuel System Carburetion: Twin-choke downdraft carburetor (e.g., Hitachi or Nikki) Fuel Type: Unleaded gasoline (typically 91 octane or higher) 🔧 Transmission Standard Transmission Type: 4-speed manual Optional Transmission Type: 3-speed automatic (optional on some models) Features Clutch Type: Dry single plate 📐 Dimensions Exterior Body Styles: Coupe, Sedan (though less common in RX-2 badging, related Capella Rotary also existed) Weights Curb Weight Estimate: Approximately 2400-2600 lbs (depending on body style and equipment) 🛡️ Safety Features Ratings Historical Safety Standards: Reflects safety standards of the early 1970s; lacks modern passive/active safety features Passive Features Seat Belts: Standard lap belts, potentially shoulder belts on later production Construction: Unitized body construction 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, optional with cassette player, likely aftermarket upgrades are common. Driver Assistance Active Safety: None (basic braking and steering systems only) Connectivity Features: No electronic connectivity features 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000 miles or 3 months, crucial for rotary engines Spark Plug Replacement: Refer to manual, often around 15,000-20,000 miles due to rotary specifics Fluid Specifications Engine Oil: API SF or SG rated, SAE 20W-50 or 10W-40 (manual will specify exact viscosity based on temperature) Coolant: Ethylene glycol based, 50/50 mixture with distilled water Transmission Fluid Manual: API GL-4, SAE 75W-90 or 80W-90 gear oil Transmission Fluid Automatic: Dexron III or equivalent (check manual for specific recommendation) Differential Fluid: API GL-5, SAE 80W-90 hypoid gear oil Known Issues Apex Seals: Wear of apex seals is a common concern for all rotary engines, leading to loss of compression. Carburetor Tuning: Carburetors require regular...