The Mazda RX-2 and RX-3, also known as the Mazda Familia Rotary and Mazda Savanna Rotary respectively, represent a significant chapter in automotive history, produced between 1970 and 1978. These models were distinguished by their innovative Wankel rotary engines, offering a unique, high-revving power delivery that set them apart from conventional competitors like the Ford Escort and Toyota Corolla. Engineered with a focus on sporty styling, lightweight construction, and driver engagement, these vehicles established Mazda's reputation for performance and engineering prowess in the compact and subcompact segments. Their motorsport legacy further solidified their appeal, showcasing the capabilities of rotary technology. This comprehensive Factory Workshop Service Manual is designed to provide detailed guidance for the maintenance, repair, and overhaul of the Mazda RX-2 and RX-3. It covers a wide array of systems, including the rotary engine (12A and 13B), transmissions, drivetrain, suspension, steering, brakes, electrical systems, fuel, and exhaust systems. Within its extensive pages, you will find crucial information on routine maintenance procedures, troubleshooting diagnostic flowcharts, component replacement, and complete engine and transmission rebuilds. The manual also details essential technical specifications, torque values, and fluid recommendations, making it an indispensable resource for owners, mechanics, and technicians dedicated to preserving the performance and integrity of these iconic rotary Mazdas. 🏷️ 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...