The Mazda RX-2, also known by its chassis code SA22C, represents a significant chapter in automotive history, particularly for its pioneering use of rotary engine technology. Produced from 1971 to 1978, this vehicle established Mazda's reputation in the sports car segment. Available in coupe, hardtop coupe, and sedan body styles, the RX-2 offered a unique driving experience powered by its characteristic rotary (Wankel) engine, typically the 12A variant, producing approximately 110-130 horsepower. Its engineering quality and reliability, especially in the context of its innovative powertrain, have made it a sought-after model for enthusiasts and collectors.
This comprehensive factory service repair manual provides essential information for the maintenance and repair of the Mazda RX-2 models from 1970 through 1978. It covers a wide array of systems, including detailed procedures for the rotary engine, transmission, brakes, electrical, suspension, steering, cooling, fuel, and emission control systems. The manual includes step-by-step repair instructions, rebuilding guidance, diagnostic procedures, tuning advice, and critical specifications, all supported by detailed illustrations, diagrams, and photos. This resource is designed to empower owners, DIY mechanics, and restoration specialists with the knowledge to service and maintain their RX-2 effectively, ensuring its longevity and optimal performance.
Generation Codes:
SA22C (First Generation, though RX-2 refers to a specific early model)
Vin Decoder Reference:
Specific VIN structure would be detailed within the manual
Target Audience:
RX-2 owners, enthusiasts, DIY mechanics, restoration specialists
Manual Authenticity:
Actual Genuine Repair Service Factory Manuals (NOT 3rd party manuals)
Value Proposition:
Saves significant labor costs ($50-$60 per hour) by enabling owner servicing
Completeness:
COMPLETE official full factory service repair manual
Usability:
Easy to use, no advanced computer skills required for printing
Covered Years:
1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978
Estimated Pages:
Hundreds of pages (exact count not specified, but indicated as comprehensive)
Type:
Factory Service Repair Manual
Engine Service:
Engine Service / Repair (Rotary Engine Specifics)
Transmission Service:
Transmission Service / Repair (Manual and Automatic)
Brake System:
Brake System (Hydraulic, Disc/Drum Configuration)
Electrical System:
Electrical System (Wiring Diagrams, Components)
Suspension System:
Suspension (Front and Rear)
Steering System:
Steering System
Cooling System:
Cooling System (Radiator, Hoses, Thermostat)
Fuel System:
Fuel System (Carburetion, Fuel Pump, Lines)
Emission Control:
Emission System
Climate Control:
Heater/Air Conditioning System
Chassis Body:
Chassis / Bodywork
Restraint System:
Restraint System (Seat Belts)
Interior Trim:
Interior Components
Drivetrain Differential:
Differential / Drive Axle
Maintenance:
General Maintenance, Periodic Lubrication
Troubleshooting:
Troubleshooting Guide (Advanced)
Diagnostics:
Diagnostic Procedures
Repair:
Step-by-step Repair Procedures for all covered systems
Rebuilding:
Rebuild procedures for major components
Restoration:
Guidance for restoration projects
Tuning:
Tuning procedures (especially for the rotary engine)
Depth:
Comprehensive: From basic maintenance to complete rebuilds and advanced diagnostics
Illustrations:
Includes detailed illustrations, drawings, and photos
Diagrams:
Includes wiring diagrams and schematics
Specifications:
Provides all necessary specifications
Notes Cautions Warnings:
Includes notes, cautions, and warnings for critical information
Instruction Style:
Numbered instructions, detailed substeps
Compatibility:
Compatible with all PC based Windows operating systems and Mac
Searchable:
Searchable text functionality for easy information retrieval
Printability:
Printable without any restriction (entire manual or selected pages)
Resolution:
High resolution
Binding:
Digital Download (Printable on demand)
Paper Type Suitability:
Suitable for printing on standard paper
Delivery Method:
Download link on checkout page after payment
Software Required:
Adobe PDF Reader
Engine Type:
Rotary Engine (Wankel)
Engine Code Typical:
12A (Rotary)
Horsepower Range Typical:
Approx. 110-130 hp (depending on specific market and configuration)
Torque Range Typical:
Approx. 117-130 lb-ft (depending on specific market and configuration)
Carburetion Typical:
Dual Downdraft Carburetors (e.g., Hitachi, Mikuni)
Fuel Type Recommended:
Unleaded gasoline (refer to manual for specific octane rating)
Transmission Type Standard:
4-speed Manual Transmission
Transmission Type Optional:
3-speed Automatic Transmission
Clutch Type:
Single Dry Plate Clutch
Body Styles:
Coupe, Hardtop Coupe, Sedan
Curb Weight Range Lbs:
Approx. 2300-2500 lbs (varies by body style and options)
Crash Test Data Availability:
Limited modern crash test data available for this era of vehicle
Braking System:
Front Disc Brakes, Rear Drum Brakes (standard)
Seat Belts:
Front seat belts (lap and shoulder belts common)
Audio System:
Basic AM/FM radio, optional tape player
Driver Assistance Features:
None by modern standards; basic safety features
Connectivity Options:
None
Oil Change Interval Engine:
Refer to manual for specific interval (typically 3,000 miles or 3 months)
Spark Plug Replacement:
Refer to manual for interval (rotary specific plugs)
Timing Belt Chain:
Not applicable (Rotary engine does not use timing belts or chains)
Engine Oil Type Recommended:
Refer to manual for specific viscosity (e.g., 10W-30 or 10W-40, API SE or SF)
Coolant Type Recommended:
Ethylene Glycol based antifreeze (50/50 mix with water)
Transmission Fluid Type Manual:
GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90)
Transmission Fluid Type Automatic:
Dexron II or equivalent
Brake Fluid Type:
DOT 3 or DOT 4
Apex Seal Wear:
Apex seal wear in the rotary engine, leading to compression loss and oil consumption
Carburetor Tuning:
Carburetor performance can degrade over time, requiring periodic adjustment and cleaning
Electrical Connectors:
Corrosion and degradation of electrical connectors due to age
Cooling System Reliability:
Potential for leaks or blockages in the aging cooling system
Rotary Pioneering:
Mazda's early adoption and success with rotary engine technology
Predecessor:
Mazda Familia Rotary (precursor to RX-2)
Successor:
Mazda RX-3, Mazda RX-7
Production Period:
1971-1978 (for the RX-2 nameplate)
Manufacturing Location:
Japan
Rotary Engine Impact:
Recognized for its pioneering use of rotary engine technology in a production vehicle
Sporting Heritage:
Established Mazda's reputation in the sports car segment