🏷️ Basic Information Identification Make: Mazda Models Covered: RX2, RX3 Years Covered: 1971, 1972, 1973, 1974, 1975, 1976, 1977 Codes Chassis Codes: RX2: AP12, RX3: AP13/AP17 👋 Introduction Market Position Positioning: Essential resource for owners and mechanics of the iconic Mazda RX2 and RX3 rotary-powered vehicles, catering to the need for specialized maintenance and repair information. Target Audience: Owners of classic Mazda RX2 and RX3 vehicles seeking to perform their own maintenance and repairs, as well as professional mechanics specializing in rotary engines. Competitive Analysis Competition: Offers a direct alternative to OEM workshop manuals, providing similar detail and coverage at a more accessible price point for the vintage market. Key Features Features: Step-by-step instructions, hundreds of photos/illustrations, detailed substeps, notes/cautions/warnings, numbered instructions, wiring diagrams, troubleshooting guides. Illustrations Detail: Detailed illustrations and photographs are crucial for visualizing component placement and disassembly sequences, especially for the unique rotary engine. 📋 Manual Details Coverage Areas Coverage: Comprehensive service and repair for Mazda RX2 and RX3 models. Page Count Page Count: Estimated 500-800 pages (typical for this era's comprehensive manuals). Manual Type Manual Type: Service and Repair Manual Language Language: English Format Format: PDF (digital download) 📖 Manual Coverage Systems Covered Systems: Engine (Rotary), Fuel System (including FI diagnosis), Cooling System, Lubrication System, Ignition System, Electrical System, Chassis components, Emission Control Systems, Bodywork (implied). Chassis Systems: Suspension (front: MacPherson struts, rear: leaf springs/live axle), steering (recirculating ball), braking system details. Fuel System: Detailed information on fuel pumps, fuel filters, fuel lines, and carburetor adjustments for optimal performance and emissions. Ignition System: Details on distributor, ignition coils, spark plugs, ignition timing adjustments, and troubleshooting ignition misfires. Procedures Included Procedures: Periodic maintenance, troubleshooting, diagnostics, engine repair and overhaul, fuel system servicing, cooling system repair, lubrication system maintenance, electrical system troubleshooting and repair, chassis component servicing, emission control adjustments. Electrical Diagnostics: Troubleshooting of starting system, charging system, lighting, ignition system, and accessories, supported by detailed wiring diagrams. Engine Rebuilding: Comprehensive instructions for engine disassembly, inspection, component replacement (e.g., seals, bearings), and reassembly. Body Repair: Implied coverage for basic bodywork repairs, panel alignment, and potentially glass replacement procedures. Technical Depth Depth: Detailed step-by-step instructions with extensive illustrations, suitable for both DIY enthusiasts and professional mechanics. Includes diagnostic procedures and wiring diagrams. Torque Specifications: The manual will include critical torque specifications for engine components, chassis fasteners, and drivetrain elements. Diagnostic Tools: Information on using basic diagnostic tools and techniques appropriate for the era, such as compression testing (specific to rotary engines), timing lights, and multimeters. 📊 Manual Specifications File Format File Type: PDF, contained within a WinRAR ZIP archive (.zip) Compatibility: Compatible with all versions of Windows and Mac operating systems for viewing and printing. Print Quality Printability: Printable pages, allowing users to print the entire manual or specific sections. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Rotary Variants: Likely covers 10A (1146cc equivalent) and potentially early 12A (1146cc/1.1L, later 1308cc/1.3L) engines, depending on model year and specific application. Rotary Design Advantages: High power-to-weight ratio, smooth operation, compact size. Performance Horsepower Range: RX2: Approximately 110-130 hp (SAE Gross), RX3: Approximately 110-125 hp (SAE Gross). Torque Range: RX2: Approximately 118-130 lb-ft (SAE Gross), RX3: Approximately 110-125 lb-ft (SAE Gross). Fuel System Fuel Delivery: Carbureted (likely Hitachi/Mikuni twin downdraft carburetors) for most models, with potential for early Fuel Injection (FI) diagnosis sections as indicated. Emission Control Systems: Likely includes air injection systems and potentially early catalytic converters or exhaust gas recirculation (EGR) depending on market and year, with diagnostic procedures covered. Maintenance Apex Seal Life: Manual will provide guidance on apex seal wear and replacement procedures, critical for rotary engine longevity. 🔧 Transmission Standard Transmission Type Rx2: 4-speed Manual Transmission Optional Transmission Type Rx3: 4-speed Manual Transmission, 5-speed Manual Transmission (later models/optional), 3-speed Automatic Transmission (optional). Features Clutch System: Hydraulic clutch actuation. Maintenance Transmission Fluid Spec: Likely GL-4 gear oil (e.g., 75W-90 or 80W-90). Clutch Adjustment: Procedures for clutch pedal free play adjustment and clutch disc/pressure plate replacement. 📐 Dimensions Exterior Body Styles: RX2: Coupe, Sedan. RX3: Coupe, Sedan, Station Wagon. Wheelbase: RX2: Approx. 98.4 inches (2499 mm). RX3: Approx. 97.6 inches (2480 mm). Wheel Size: Typically 13-inch or 14-inch steel wheels with hubcaps; optional alloy wheels. Tire Size: Commonly 175/70SR13 or 185/70SR13. Bolt Pattern: 4x110mm Weights Curb Weight: Approximately 2200-2500 lbs (1000-1135 kg), varying by body style and equipment. 🛡️ Safety Features Ratings Safety Features Era: Reflects 1970s safety standards; likely includes basic seat belts, padded dashboard, and dual-circuit braking system. No modern crash ratings available. Active Features Braking System: Front disc brakes, rear drum brakes. Dual-circuit hydraulic system. Passive Features Steering Column: Collapsible steering column (standard for the era). 💡 Technology Features Infotainment Original Infotainment: Basic AM/FM radio, often with an 8-track player...