🏷️ Basic Information Identification Make: Mazda Model: RX-2 Year: 1973 Codes Chassis Code: S102A, S124A, S127A (Coupe, Sedan, Hardtop respectively) Engine Code: 10A (Rotary) 👋 Introduction Market Position Vehicle Segment: Compact Sports Coupe/Sedan Target Audience: Enthusiasts, DIY mechanics, restoration specialists Competitive Analysis Competitors Era: Datsun 240Z, Toyota Celica GT, Ford Capri Unique Selling Proposition: Rotary engine technology, distinctive styling Key Features Manual Advantage: Comprehensive, model-specific, factory-level detail, digital convenience Vehicle Appeal: Unique rotary powertrain, stylish Japanese design of the era 📋 Manual Details Coverage Areas Overall Coverage: All models and all repairs A-Z Specific Coverage: Specific to 1973 Mazda RX-2 models, not generic Page Count Estimated Page Count: Estimated 500-1000+ pages (typical for comprehensive factory service manuals of this era) Manual Type Type: Factory Service and Repair Manual Language Language: English Format Digital Format: PDF Printability: Yes, all pages printable Software Requirements: Adobe PDF Reader, Winzip (free online) 📖 Manual Coverage Systems Covered Powertrain: Engine (Rotary 10A), Ignition, Starting, Charging, Lube, Fuel Service, Cooling, Intake, Exhaust, Emission Control, Auto Transmission, Manual Transmission, Clutch, Transfer, Propeller Shaft, Drive Shaft, Differential, Axle Chassis And Suspension: Suspension (Front/Rear), Tire & Wheel, Brake Control, Brake System (Hydraulic/Mechanical), Parking Brake, Steering Column, Power Steering Body And Interior: Exterior & Interior Trim, Engine Hood/Door, Windshield/Glass/Mirror, Instrument Panel, Seat, Door Lock Electrical And Comfort: Electrical System, Wiring Schematics, Meter/Audio/Visual, Horn, Wiper & Washer, Air Conditioning, Suppl Restraint System (if applicable for era), Seat Belt, Cruise Control (if equipped), Engine Immobilizer (unlikely for this era) Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication Diagnostics: Troubleshooting guides, diagnostic procedures for all systems Repair: Step-by-step repair instructions for all major and minor components Overhaul: Complete rebuild procedures for engine, transmission, and other major mechanical assemblies Electrical Work: Wiring schematic interpretation, component testing, electrical system repair Technical Depth Depth: Factory-level, comprehensive, detailed diagnostics, repair, and overhaul instructions Content Type: Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text (if OCR processed) Print Quality Scalability: Images can be blown up and printed enlarged Binding Type Digital Binding: N/A (digital format) Paper Type Digital Paper Type: N/A (digital format, printable on demand) ⚙️ Engine Specifications Primary Engine Type: Rotary (Wankel) Engine Code: 10A Configuration: Two-rotor, naturally aspirated Displacement: 993 cc (actual displacement of rotor housing, not swept volume) Power Output: Approx. 120-130 hp (depending on market and emissions equipment) Torque Output: Approx. 120-130 lb-ft Fuel System Carburetion: Two dual-throat downdraft carburetors (e.g., Hitachi/Solex) Fuel Type: Unleaded gasoline (introduced in 1973, requiring potential adjustments from earlier models) 🔧 Transmission Standard Type: 4-speed manual transmission Optional Type: 3-speed automatic transmission (Mazda 'Jatco' unit) Features Clutch: Single dry plate, hydraulically operated 📐 Dimensions Exterior Wheelbase: Approx. 97.4 inches (2474 mm) Length: Approx. 167.3 inches (4249 mm) Width: Approx. 64.0 inches (1626 mm) Height: Approx. 51.2 inches (1300 mm) Weights Curb Weight: Approx. 2300-2500 lbs (1043-1134 kg) depending on body style and equipment Gross Vehicle Weight Rating: Specific GVWR varies by model, consult manual for precise figure 🛡️ Safety Features Ratings Crash Test Era: Safety standards were less rigorous than today; no official NHTSA ratings available for this model year. Active Features Braking System: Front disc brakes, rear drum brakes Steering: Recirculating ball steering, optional power steering Passive Features Seat Belts: Standard seat belts (lap belts, potentially lap-and-shoulder in later production or specific markets) Body Structure: Unibody construction with integrated safety cage elements 💡 Technology Features Infotainment Radio: Likely AM/FM radio, possibly with an optional multiplex FM stereo. Cassette players were rare for this model year. Speakers: Typically 2 or 4 speakers. Driver Assistance Cruise Control: Optional on some models, especially higher trims or export markets. Power Steering: Optional, enhancing maneuverability. Connectivity Connectivity Features: N/A - This era predates modern digital connectivity features. 🔧 Maintenance Service Intervals Oil Change: Every 3,000 miles or 3 months (typical for the era, consult manual for exact spec) Spark Plugs: Inspect/replace at specified intervals (e.g., 15,000-20,000 miles), specific plugs for rotary engines Timing Belt: N/A (Rotary engines do not have a timing belt; they use a stationary eccentric shaft with rotor timing). Fluid Specifications Engine Oil: API SF or SG classification, viscosity typically SAE 10W-30 or 10W-40 (consult manual for precise recommendation) Cooling System: Ethylene glycol based coolant, typically 50/50 mix with distilled water. Capacity: approx. 4.5-5.0 quarts (4.3-4.7 liters). Transmission Fluid: Manual: GL-4 gear oil (e.g., SAE 75W-90 or 80W-90). Automatic: DEXRON-II or equivalent. Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid Known Issues Rotary Apex Seals: Wear and failure of apex seals are common issues leading to compression loss. Proper maintenance and avoiding harsh operation are key. Carbon Buildup: Carbon deposits can form in the combustion chambers, requiring periodic cleaning or 'de-coking'. Oil Consumption: Rotary engines inherently consume some oil for lubrication of internal seals;...