🏷️ Basic Information Identification Make: Mazda Model: RX-3 Chassis Codes: S102A, S102B, S103A, S103B, S124A, S124B Generations: First Generation (1971-1978) Production Years Covered By Manual: 1970-1978 👋 Introduction Market Position Market Position: The Mazda RX-3 was a compact sports car positioned to offer performance and unique rotary engine technology to a segment seeking sporty styling and a distinct driving experience, often competing with other small sporty coupes and sedans of its era. Competitive Analysis Competitive Analysis: Competed with vehicles like the Toyota Corolla Levin/Sprinter Trueno, Datsun (Nissan) 240Z/260Z, and various European compact sports cars, differentiating itself with its Wankel rotary engine and stylish coupe/sedan body styles. Key Features Key Features Of Vehicle: Rotary engine (Wankel) providing a smooth and high-revving power delivery, distinctive styling, rear-wheel drive, available in coupe, sedan, and station wagon body styles. Manual Value Manual Value Proposition: Empowers owners and technicians to perform comprehensive maintenance and repairs, saving on labor costs and ensuring quality service, ultimately enhancing the longevity and performance of the classic RX-3. Target Audience Primary User: Primarily mechanical technicians familiar with BRP (Mazda's internal component classification) products and general automobile practices, but also beneficial for knowledgeable owners. 📋 Manual Details Coverage Coverage Areas: Comprehensive repair and overhaul of Mazda RX-3 vehicles from 1970-1978, including proprietary components. Page Count Page Count: Not specified in product information, but implied to be extensive for workshop service. Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download Technical Accuracy Information Reliability: The manual is stated to provide the most reliable information and aims to help users get the best value from their vehicle, reflecting dealer-level service data. 📖 Manual Coverage Systems Systems Covered: Engine (Rotary), Fuel System, Ignition System, Lubrication System, Exhaust System, Electrical System, Bodywork, Transmission (including disassembly and overhaul). Procedures Procedures Included: Routine maintenance, servicing, diagnostic procedures, repair procedures, removal and installation, assembly and disassembly, tune-ups, troubleshooting. Depth Technical Depth: Detailed repair and overhaul procedures, including extensive engine and transmission work, emphasizing special aspects of the product. Assumes technician familiarity with general automobile practices and BRP (likely meaning 'Brake, Rotor, and Planetary' or similar internal Mazda terminology for component groups) product service procedures. Areas Of Focus Emphasis On Proprietary Components: The manual includes instructions for components manufactured for the RX-3, and importantly, incorporates instructions from respective component manufacturers for proprietary parts, offering a holistic repair approach. Safety Warnings Warning Notation: The manual utilizes specific notations for safety and critical information, including WARNING, CAUTION, and NOTE, to guide technicians and owners through procedures safely and effectively. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: Printable (implied high quality for workshop use) Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Delivery Delivery Method: Fast and Free Electronic Delivery via Email ⚙️ Engine Specifications Primary Engine Engine Type: Rotary (Wankel) Engine Code Family: Mazda Rotary (e.g., 10A, 12A) Performance Typical Displacement Cc: Approx. 993cc (10A) to 1146cc (12A) - calculated from rotor displacement, often quoted with effective displacement in liters. Typical Horsepower: Varies by year and market, typically ranging from 90 hp to 110 hp for base models and higher for performance variants (e.g., RX-3 GT). Typical Torque Lb-Ft: Varies by year and market, typically in the range of 90-100 lb-ft. Fuel System Fuel Delivery: Carbureted (e.g., Hitachi, Mikuni dual downdraft carburetors for most models; some later or performance models might have variations). Maintenance Considerations Apex Seal Life: Critical maintenance item; requires understanding of proper warm-up/cool-down procedures and engine load management. Manual provides guidance on inspection and potential replacement. Oil Consumption: Rotary engines inherently consume a small amount of oil for lubrication of apex seals. Manual details correct procedures for monitoring and topping up. Engine Components Rotor Type: Triangular rotor with apex, side, and corner seals. 🔧 Transmission Standard Transmission Type: 4-speed Manual Transmission Optional Optional Transmission: 3-speed Automatic Transmission (less common) Features Drive Layout: Rear-Wheel Drive (RWD) Maintenance Transmission Fluid Type: Manual: GL-4 gear oil (specific viscosity like SAE 75W-90 or 80W-90 often recommended). Automatic: DEXRON III or equivalent. Gear Ratios Gear Ratios: Specific ratios vary by model and year; manual provides detailed ratios for all gears and final drive. 📐 Dimensions Exterior Coupe Length: Approx. 4,035 mm (158.9 in) Width: Approx. 1,600 mm (63.0 in) Height: Approx. 1,325 mm (52.2 in) Wheelbase: Approx. 2,300 mm (90.6 in) Weights Curb Weight: Approx. 950-1050 kg (2094-2315 lbs), depending on body style and equipment. 🛡️ Safety Features Ratings Safety Ratings: No formal crash test ratings from modern agencies (NHTSA, IIHS) are available for this era. Safety features were basic by today's standards. Active Features Active Safety Features: Front Disc Brakes, Rear Drum Brakes, Power Assist Brakes (optional or standard on some trims). Passive Features Passive Safety Features: Lap and Shoulder Seatbelts (front), Padded Dashboard, Safety...