🏷️ Basic Information Identification Make: Mazda Model: RX-2 / RX-3 Common Name: Mazda Familia Rotary / Mazda Savanna Rotary Generation Applicable Years: 1970-1978 Codes Chassis Code Rx2: S102A, S124A, S132A Chassis Code Rx3: S124A, S132A, S133A, S134A 👋 Introduction Market Position Positioning: The Mazda RX-2 and RX-3 were significant models in Mazda's early history, establishing their reputation for rotary-powered vehicles. They competed in the compact and subcompact segments with a focus on performance and unique engineering. Competitive Analysis Competitors: Ford Escort, Toyota Corolla, Datsun 510, Honda Civic, Mitsubishi Lancer. Key Features Engine Technology: The primary differentiator was the Wankel rotary engine, offering a smooth, high-revving power delivery. Design Philosophy: Sporty styling, lightweight construction, and a focus on driver engagement. Manual Value Proposition Value: Essential for owners and mechanics looking to maintain, repair, or restore these classic rotary Mazdas. Provides factory-accurate procedures and specifications. 📋 Manual Details Coverage Areas Manual Type: Factory Workshop Service Manual (WSM) Primary Language: English (translated from original Japanese) Format: PDF Download Page Count Estimated Pages: High (Typically 500-1000+ pages for factory WSMs of this era, exact count varies by specific revision) 📖 Manual Coverage Systems Covered Engine: Rotary (12A, 13B) - detailed disassembly, assembly, lubrication, cooling, ignition, fuel, emissions control, rotary specific component theory Transmission: Manual (4-speed, 5-speed) and Automatic - overhaul, adjustments, fluid specifications, clutch system Drivetrain: Rear-wheel drive, driveshaft, differential, axles Suspension: Front (MacPherson strut), Rear (Live axle with leaf springs or coil springs) - component replacement, alignment specifications, shock absorber and spring service Steering: Manual and Power Steering systems - components, adjustments, overhaul Brakes: Front Disc, Rear Drum - hydraulic system, calipers, master cylinder, brake lines, parking brake Electrical: Charging system, ignition system, lighting, starting system, instruments, wiring diagrams, fuse/relay locations Fuel System: Fuel tank, pump, lines, carburetor (single barrel and twin barrel Zenith Stromberg or Hitachi variations) service Exhaust System: Mufflers, pipes, catalytic converter (later models) where applicable Body: Body construction, doors, windows, trim, interior components, seat adjustment, panel gaps Chassis: Frame construction, mounting points, corrosion protection Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, lubrication points, battery maintenance, coolant checks Troubleshooting: Diagnostic flowcharts for common symptoms, engine performance issues, electrical faults Repair: Component replacement (engine, transmission, brakes, suspension), gasket and seal replacement, body panel repair Overhaul: Complete engine rebuild, transmission rebuild, carburetor overhaul, brake caliper and master cylinder rebuild Adjustments: Carburetor idle speed and mixture, ignition timing, valve clearance (if applicable, though rotary engines don't have traditional valves), clutch pedal, brake adjustments Torque Specifications: Detailed torque values for all critical fasteners and engine components Technical Depth Depth: Comprehensive factory-level detail, covering routine maintenance to full engine and drivetrain rebuilds. Diagnostic Capabilities: Includes diagnostic procedures and specifications for identifying and resolving mechanical and electrical issues. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Likely, depending on the OCR quality of the original scan. Print Quality Quality: Variable (dependent on the scan quality of the original document). Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Wankel Rotary Displacement Liter: 1.1 L (12A) for RX-2, 1.1 L (12A) and 1.3 L (13B) for RX-3 Performance Horsepower 12A: Approx. 110-130 hp (depending on variant and emissions controls) Torque 12A: Approx. 110-130 lb-ft (depending on variant) Horsepower 13B: Approx. 135-145 hp (depending on variant) Torque 13B: Approx. 130-150 lb-ft (depending on variant) Fuel System Carburetion: Single-barrel or twin-barrel Zenith Stromberg, Hitachi, or Mikuni carburetors. Fuel Type: Unleaded Gasoline (Octane rating as specified by Mazda, typically high) Cooling System Type: Water-cooled, with a dedicated rotary engine cooling system design (often with multiple thermostats). Lubrication Oil System: Rotary engines require a specific oil injection system (REI) for apex seals, in addition to the sump oil. Rotor Design Rotor Housing Material: Chrome-plated housing or cast iron with special coatings. Rotary Specifics Apex Seals: Critical wear item, manual covers inspection and replacement procedures. 🔧 Transmission Standard Type Rx2: 4-speed manual Type Rx3: 4-speed manual, 5-speed manual Optional Type Rx2: 3-speed automatic Type Rx3: 3-speed automatic Features Fluid Type: API GL-4 gear oil (specific viscosity to be confirmed in manual, likely 75W-90 or 80W-90) Clutch System Type: Dry single-plate, hydraulically operated 📐 Dimensions Exterior Rx2 Length Mm: Approx. 4,000 - 4,100 mm Rx2 Width Mm: Approx. 1,550 - 1,600 mm Rx2 Height Mm: Approx. 1,350 - 1,400 mm Rx3 Length Mm: Approx. 3,900 - 4,050 mm Rx3 Width Mm: Approx. 1,560 - 1,600 mm Rx3 Height Mm: Approx. 1,340 - 1,380 mm Wheelbase Mm Rx2: Approx. 2,400 mm Rx3: Approx. 2,320 - 2,360 mm Weights Curb Weight Kg: Approx. 950 - 1,100 kg (varies by model and specification) Gross Vehicle Weight Kg: Not typically specified in detail for this era but can be inferred from payload capacity. Wheel Bolt Pattern: 4x110 mm Tire Sizes: Common sizes include...