🏷️ Basic Information Identification Make: Mazda Model: RX-3 Generation: First Generation Codes Chassis Codes: S102A, S124A, S132A, S133A (coupe/sedan), S135A (wagon) Engine Codes: 12A (pre-facelift), 13B (facelift/later models) 👋 Introduction Market Position Segment: Compact sports coupe/sedan/wagon Target Audience: Enthusiasts, DIY mechanics, restoration specialists Competitive Analysis Key Competitors: Toyota Corolla Levin/Sprinter Trueno, Datsun Sunny/B210, Honda Civic Key Features Unique Selling Proposition: Rotary engine, sporty styling, lightweight chassis, driver-focused handling. Historical Significance: Established Mazda's reputation for performance and rotary engine technology. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual (WSM) / Repair Manual Language: English Format: Digital (likely PDF, based on common industry practice for older manuals) Page Count Estimated Page Count: 800-1200 (typical for comprehensive WSMs of this era) 📖 Manual Coverage Systems Covered Powertrain: Rotary engine (12A, 13B) theory of operation, disassembly, assembly, lubrication, cooling, fuel injection/carburetion, ignition, exhaust. Transmission: Manual transmission (4-speed, 5-speed), clutch system, drive shafts, rear axle. Chassis And Suspension: Front suspension (independent, MacPherson struts), rear suspension (leaf springs, solid axle), steering system, brakes (front discs, rear drums). Electrical System: Wiring diagrams, battery, charging system (alternator), starting system, lighting, instruments, accessories, engine control unit (ECU) basics. Body And Interior: Body panel removal/installation, door mechanisms, glass, upholstery, dashboard components. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, coolant flush, brake fluid change, general inspections. Repair: Engine rebuilding, transmission overhaul, brake caliper/master cylinder repair, suspension component replacement, electrical component diagnostics and repair. Troubleshooting: Diagnostic charts for common symptoms, fault finding procedures for engine, transmission, electrical, and braking systems. Technical Depth Diagnostics: Detailed diagnostic procedures, component testing, specifications for electrical circuits and mechanical tolerances. Rebuild Specifications: Complete engine and transmission disassembly/assembly procedures with torque specifications, clearances, and component measurements. 📊 Manual Specifications File Format File Quality: High-resolution scans of original factory documentation, ensuring clarity of diagrams and text. Searchability: Likely text-searchable if converted to PDF with OCR, allowing for quick access to specific information. Print Quality Printability: Designed for printing key sections or the entire manual for workshop use. Binding Type Original Binding: Likely perfect-bound or spiral-bound for original factory manuals. Paper Type Original Paper: High-quality, durable paper suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: Mazda Rotary (Wankel) Engine Engine Displacement 12A: 1.16 L (67 cu in) Engine Displacement 13B: 1.30 L (79 cu in) Performance Horsepower 12A: Approx. 90-100 hp (varies by market and emission controls) Horsepower 13B: Approx. 110-130 hp (varies by market and emission controls) Torque 12A: Approx. 90-100 lb-ft Torque 13B: Approx. 115-125 lb-ft Fuel System Fuel Delivery Early: Downdraft Carburetor (e.g., Hitachi SH220 or similar) Fuel Delivery Late: Fuel Injection (early electronic or mechanical systems) Fuel Type: Unleaded Gasoline (87 octane or higher recommended) Engine Management Ignition System: Distributor-based, points or electronic ignition Rotary Specifics Apex Seals: Crucial wear item, requires specific lubrication and handling. Oil Metering: Separate oil injection system for apex seals and side seals. 🔧 Transmission Standard Type: 4-Speed Manual Optional Type: 5-Speed Manual (later models/performance variants) Automatic: Rarely offered or not widely documented for this generation Features Clutch Type: Dry Single Plate Transmission Fluid Specifications: API GL-4 Hypoid Gear Oil (e.g., SAE 80W-90) 📐 Dimensions Exterior Wheelbase: Approx. 97.4 inches (2475 mm) Length: Approx. 165.7 inches (4209 mm) Width: Approx. 63.9 inches (1623 mm) Height: Approx. 52.0 inches (1321 mm) (Coupe) Weights Curb Weight: Approx. 2100-2400 lbs (950-1090 kg) Wheels And Tires Bolt Pattern: 4x110 mm Standard Tire Size: 165/80 R13 (early), 175/70 R13 (later) 🛡️ Safety Features Ratings Crash Test Data: Limited official crash test data available from this era. Vehicle designed with crumple zones typical for the time. Active Features Brakes: Front disc brakes, Rear drum brakes. Power assisted optional on some models. Passive Features Seatbelts: Lap belts standard, shoulder belts optional or mandated later in the production run. Construction: Unibody construction with integrated safety cage elements. 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, often with a single speaker. Cassette player optional on later models. Driver Assistance ABS: Not available on this generation. Power Steering: Optional on some models, often heavy and direct feel. Connectivity Connection Ports: N/A 🔧 Maintenance Service Intervals Oil Change: Every 3,000 miles (5,000 km) or 6 months, whichever comes first. Air Filter: Inspect every 6,000 miles (10,000 km), replace as needed. Spark Plugs: Replace every 12,000-18,000 miles (20,000-30,000 km) for standard plugs. Coolant Flush: Every 24,000 miles (40,000 km) or 2 years. Fluid Specifications Engine Oil: API SF/SG, SAE 10W-30 or 10W-40 recommended. Rotary specific oil additive may be beneficial. Coolant: Ethylene Glycol based antifreeze (50/50 mix with distilled water). Capacity approx. 5-6 quarts. Brake Fluid: DOT 3 or DOT 4. Known Issues Rotary Engine Apex Seals: Wear leading to compression loss, hard starting, and rough running. Requires proper maintenance and oiling. Carburetor: Gumming, wear, and tuning issues common with age; rebuilding...