This manual covers the Mazda RX2 and RX3 models produced between 1970 and 1978. These vehicles represent a significant part of Mazda's history, particularly their pioneering work with Wankel rotary engines, offering a unique driving experience characterized by sporty handling and performance. Available in coupe and sedan body styles, and equipped with the 10A or 12A rotary engines, the RX2 and RX3 appealed to enthusiasts seeking distinct engineering and driving dynamics. This comprehensive workshop repair service manual provides factory-level diagnostic and repair information for all Mazda RX2 and RX3 models, engines, trims, and transmission types. It details a wide range of systems including engine, transmission, brakes, electrical systems, suspension, and more, with in-depth procedures for maintenance, troubleshooting, repair, and diagnostics. The manual is designed to assist owners, mechanics, and technicians in effectively maintaining and restoring these classic vehicles, ensuring their continued performance and longevity. 🏷️ Basic Information Identification Make: Mazda Model: RX2 / RX-2 / RX3 / RX-3 Production Years: 1970-1978 Generation Chassis Codes: Mazda RX2: S102A (Coupe), S122A (Sedan), S132A (Coupe); Mazda RX3: S102A (Coupe), S122A (Sedan), S132A (Coupe) Codes Engine Codes: Rotary (Wankel) - 10A, 12A 👋 Introduction Market Position Target Audience: Owners, enthusiasts, mechanics, and restoration specialists of Mazda RX2 and RX3 models from 1970-1978. Competitive Analysis Advantage Over Alternatives: Digital format provides instant access, cost savings over physical manuals, and the ability to print only necessary sections, preserving the integrity of the digital file. Key Features Manual Benefits: Provides comprehensive, factory-level repair and maintenance guidance, detailed diagrams and illustrations, and efficient troubleshooting to save time and money on repairs. 📋 Manual Details Coverage Areas Coverage Scope: All Models/Engines/Trim/Transmission Types for Mazda RX2 and RX3 (1970-1978) Page Count Estimated Page Count: Hundreds of pages (as stated in product description) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download Source Authenticity: Same manual used in local service/repair shops; professional quality and factory-level accuracy. 📖 Manual Coverage Systems Covered Systems: General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Heater/Air Conditioner, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle Procedures Included Procedures: Detailed substeps, notes, cautions, warnings, numbered instructions, troubleshooting, electrical service procedures, disassembly, assembly, cleaning, reinstalling, diagnostics, repair procedures, maintenance, lubrication Technical Depth Depth Of Information: Comprehensive, professional, detailed, factory-level diagnostic and repair information, specific vehicle or equipment repair Illustrations Diagram And Photo Quality: Detailed illustrations, drawings, and photos, including enlarged insets for detailed part examination. Usability Navigation: Numbered table of contents for easy and fast information retrieval. Troubleshooting Diagnostic Approach: Combined troubleshooting and electrical service procedures with detailed wiring diagrams for ease of use and effective problem diagnosis. Body And Chassis Body Repair: Information on chassis and body repair, including frame straightening, panel replacement, and corrosion prevention measures. Electrical System Wiring Diagrams: Comprehensive wiring diagrams covering all electrical systems, including engine management, lighting, accessories, and instrumentation. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Full Printable Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Quality: Not Applicable (Digital Download) Accessibility Zoom Functionality: YES Delivery Delivery Method: Instant Download Compatibility Software Requirements: Adobe PDF Reader, WinZip Operating System Compatibility: All Versions of Windows & Mac File Integrity Completeness: Complete and intact, without any missing or corrupt parts or pages. ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Displacement: 10A (110 cu in / 1.0 L), 12A (114 cu in / 1.2 L - typically referred to as 1.2L or 12A) Performance Horsepower Range: Estimated 100-125 hp (varies by specific model and tuning) Torque Range: Estimated 100-120 lb-ft (varies by specific model and tuning) Fuel System Fuel Delivery: Carbureted (e.g., Hitachi, Nikki) for most variants; Fuel Injection introduced later in production for some models/markets, but manual likely focuses on carbureted. Lubrication Oil Type: Specific rotary engine oil blend or high-quality API SF/SG rated oil (refer to manual for exact specifications and potential pre-mix requirements). Cooling System Cooling Method: Water-cooled Engine Control System Ignition Timing: Adjustable ignition timing; detailed procedures for setting and checking included in the manual. Emissions System Emission Controls: Details on emission control systems relevant to the production era, including potential air pumps, PCV systems, and exhaust gas recirculation (EGR) if applicable. 🔧 Transmission Standard Transmission Type 1: 4-speed Manual Transmission Transmission Type 2: 5-speed Manual Transmission (available on later models/trims) Optional Transmission Type 3: 3-speed Automatic Transmission (less common, especially in performance-oriented variants) Features Transmission Fluid Type: GL-4 or GL-5 gear oil (specific viscosity to be confirmed in manual, e.g., 75W-90 or 80W-90) Drive Axle Drive Layout: Rear-wheel drive (RWD) 📐 Dimensions Exterior Body Styles: Coupe, Sedan (RX2 and RX3 variants) Weights Curb Weight Range: Approximately 2,100 - 2,400 lbs (950 - 1090 kg), depending on body...