🏷️ Basic Information Identification Make: Mazda Models: RX-2, RX-3 Production Years: 1971-1977 Codes Chassis Codes: S102A (RX-2 Coupe), S122A (RX-2 Sedan), S108A (RX-3 Coupe), S128A (RX-3 Sedan), S138A (RX-3 Station Wagon) Engine Codes: 10A (Rotary), 12A (Rotary) 👋 Introduction Market Position Target Audience: Enthusiasts and owners of Mazda RX-2 and RX-3 models from 1971-1977 undertaking restoration, maintenance, or repair. Competitive Analysis Comparison To Oem: Presents itself as a cost-effective alternative to official factory shop manuals and CD-ROMs, offering comparable or identical technical data. Key Features Accessibility: Delivered via email, eliminating shipping wait times and costs, making it immediately accessible. Versatility: Compatible with all PC-based Windows operating systems and Mac, ensuring broad usability. Completeness: Stated to be a complete workshop manual, covering all aspects of vehicle repair and maintenance. 📋 Manual Details Coverage Areas General Coverage: Comprehensive workshop service and repair Specific Systems Covered: Lubrication & Maintenance, Suspension, Brakes, Cooling System, Electrical System, Engine (Rotary), Fuel System, Exhaust System, Transmission (Manual/Automatic), Heating and Air Conditioning, Emission Control Systems, Body, Wiring Diagrams Page Count Estimated Page Count: Likely several hundred pages, typical for a complete workshop manual. Manual Type Type: Workshop Service and Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Rebuilding: Detailed procedures for rebuilding Mazda's rotary engines (10A and 12A), including apex seal replacement, rotor housing machining, and peripheral port seal adjustments. Fuel System Diagnostics: In-depth coverage of Hitachi, Mikuni, or Solex carburetor tuning and rebuilding, fuel pump servicing, and fuel line inspections. Electrical Troubleshooting: Extensive wiring diagrams for all models, troubleshooting guides for ignition systems (including distributor and electronic ignition), lighting, instrumentation, and charging systems. Transmission Overhaul: Procedures for manual transmission disassembly, inspection, and reassembly, as well as automatic transmission servicing. Suspension And Steering: Details on front independent suspension (MacPherson struts), rear leaf springs, ball joint replacement, shock absorber servicing, and power steering system maintenance. Brake Systems: Disc brake caliper rebuilding, drum brake shoe adjustment and replacement, brake fluid specifications, and hydraulic system troubleshooting. Procedures Included Routine Maintenance: Scheduled oil changes, filter replacements, lubrication points, spark plug indexing and gap settings, and coolant flush procedures. Diagnostic Procedures: Troubleshooting guides for common issues, symptom-based diagnostics, and repair procedures for rotary engine specific problems like oil seal wear. Component Rebuilds: Complete step-by-step instructions for rebuilding major components like the engine, carburetor, alternator, starter motor, and brake calipers. Alignment Specifications: Factory specifications for front and rear wheel alignment (camber, caster, toe). Body Repair: Information on panel alignment, door adjustments, and common bodywork repair techniques. Technical Depth Depth: Extensive, suitable for professional mechanics and dedicated enthusiasts. Covers full engine rebuilds, transmission overhauls, and in-depth electrical diagnostics. Diagrams And Illustrations: Numerous exploded views, wiring diagrams, and illustrations to aid in repair and disassembly. 📊 Manual Specifications File Format Readability: Searchable PDF for quick access to information. Printability: Fully printable, allowing users to print specific sections or the entire manual as needed. Print Quality Image Clarity: Assumed high quality, consistent with factory or reputable aftermarket manuals, enabling clear viewing of diagrams and text. Binding Type Digital Binding: N/A (Digital delivery) Paper Type Digital Paper Simulation: N/A (Digital delivery) ⚙️ Engine Specifications Primary Engine Type: Wankel Rotary Displacement Codes: 10A (approx. 1.0L or 50 cu in per rotor, total 1.0L) / 12A (approx. 1.15L or 70 cu in per rotor, total 1.15L) Rotor Design: Single rotor (10A in early RX-2), twin rotor (12A in most RX-2/RX-3, also 10A in some early RX-2) Ignition System: Distributor-based ignition, potentially advancing to electronic ignition in later models within the range. Points, condenser, ignition coil specifications provided. Performance Power Output 10A: Typically around 90-100 hp (SAE gross) depending on application and emissions controls. Power Output 12A: Typically around 100-130 hp (SAE gross) depending on application, carburetor configuration, and emissions controls. Fuel System Carburetion: Single or twin barrel downdraft carburetors (e.g., Hitachi, Mikuni, Solex). Manual covers adjustment, rebuilding, and troubleshooting of these units. Fuel Type: Unleaded gasoline (later models may require specific octane ratings). Fluid Specifications Engine Oil Type: API SG or higher recommended, viscosity typically SAE 10W-30 or 10W-40 (check manual for specific recommendations). Rotary engines require a separate oil injection system for apex seal lubrication. Oil Injection Type: Dedicated 2-stroke or rotary-specific oil, injected directly into the intake manifold or engine housing. Manual will specify type and capacity. Technical Specifications Apex Seals: Critical wear components. Manual details inspection, replacement, and lubrication requirements. Rotor Housing Clearance: Manual will provide specific tolerances for wear and surface finish requirements for rebuilds. 🔧 Transmission Standard Type: 4-speed manual transmission standard on many models. Some models offered a 5-speed manual later in the production run. Optional Type: 3-speed automatic transmission (e.g., Torqueflite based) was an option on some models. Features Manual Gearbox: Clutch operation, shift linkage adjustment, and internal component inspection procedures covered. Automatic Gearbox: Fluid level...
Enthusiasts and owners of Mazda RX-2 and RX-3 models from 1971-1977 undertaking restoration, maintenance, or repair.
Competitive Analysis
Comparison To Oem:
Presents itself as a cost-effective alternative to official factory shop manuals and CD-ROMs, offering comparable or identical technical data.
Key Features
Accessibility:
Delivered via email, eliminating shipping wait times and costs, making it immediately accessible.
Versatility:
Compatible with all PC-based Windows operating systems and Mac, ensuring broad usability.
Completeness:
Stated to be a complete workshop manual, covering all aspects of vehicle repair and maintenance.
📋 Manual Details
Coverage Areas
General Coverage:
Comprehensive workshop service and repair
Specific Systems Covered:
Lubrication & Maintenance, Suspension, Brakes, Cooling System, Electrical System, Engine (Rotary), Fuel System, Exhaust System, Transmission (Manual/Automatic), Heating and Air Conditioning, Emission Control Systems, Body, Wiring Diagrams
Page Count
Estimated Page Count:
Likely several hundred pages, typical for a complete workshop manual.
Manual Type
Type:
Workshop Service and Repair Manual
Language
Language:
English
Format
Digital Format:
PDF
📖 Manual Coverage
Systems Covered
Engine Rebuilding:
Detailed procedures for rebuilding Mazda's rotary engines (10A and 12A), including apex seal replacement, rotor housing machining, and peripheral port seal adjustments.
Fuel System Diagnostics:
In-depth coverage of Hitachi, Mikuni, or Solex carburetor tuning and rebuilding, fuel pump servicing, and fuel line inspections.
Electrical Troubleshooting:
Extensive wiring diagrams for all models, troubleshooting guides for ignition systems (including distributor and electronic ignition), lighting, instrumentation, and charging systems.
Transmission Overhaul:
Procedures for manual transmission disassembly, inspection, and reassembly, as well as automatic transmission servicing.
Suspension And Steering:
Details on front independent suspension (MacPherson struts), rear leaf springs, ball joint replacement, shock absorber servicing, and power steering system maintenance.
Brake Systems:
Disc brake caliper rebuilding, drum brake shoe adjustment and replacement, brake fluid specifications, and hydraulic system troubleshooting.
Procedures Included
Routine Maintenance:
Scheduled oil changes, filter replacements, lubrication points, spark plug indexing and gap settings, and coolant flush procedures.
Diagnostic Procedures:
Troubleshooting guides for common issues, symptom-based diagnostics, and repair procedures for rotary engine specific problems like oil seal wear.
Component Rebuilds:
Complete step-by-step instructions for rebuilding major components like the engine, carburetor, alternator, starter motor, and brake calipers.
Alignment Specifications:
Factory specifications for front and rear wheel alignment (camber, caster, toe).
Body Repair:
Information on panel alignment, door adjustments, and common bodywork repair techniques.
Technical Depth
Depth:
Extensive, suitable for professional mechanics and dedicated enthusiasts. Covers full engine rebuilds, transmission overhauls, and in-depth electrical diagnostics.
Diagrams And Illustrations:
Numerous exploded views, wiring diagrams, and illustrations to aid in repair and disassembly.
📊 Manual Specifications
File Format
Readability:
Searchable PDF for quick access to information.
Printability:
Fully printable, allowing users to print specific sections or the entire manual as needed.
Print Quality
Image Clarity:
Assumed high quality, consistent with factory or reputable aftermarket manuals, enabling clear viewing of diagrams and text.
Binding Type
Digital Binding:
N/A (Digital delivery)
Paper Type
Digital Paper Simulation:
N/A (Digital delivery)
⚙️ Engine Specifications
Primary Engine
Type:
Wankel Rotary
Displacement Codes:
10A (approx. 1.0L or 50 cu in per rotor, total 1.0L) / 12A (approx. 1.15L or 70 cu in per rotor, total 1.15L)
Rotor Design:
Single rotor (10A in early RX-2), twin rotor (12A in most RX-2/RX-3, also 10A in some early RX-2)
Ignition System:
Distributor-based ignition, potentially advancing to electronic ignition in later models within the range. Points, condenser, ignition coil specifications provided.
Performance
Power Output 10A:
Typically around 90-100 hp (SAE gross) depending on application and emissions controls.
Power Output 12A:
Typically around 100-130 hp (SAE gross) depending on application, carburetor configuration, and emissions controls.
Fuel System
Carburetion:
Single or twin barrel downdraft carburetors (e.g., Hitachi, Mikuni, Solex). Manual covers adjustment, rebuilding, and troubleshooting of these units.
Fuel Type:
Unleaded gasoline (later models may require specific octane ratings).
Fluid Specifications
Engine Oil Type:
API SG or higher recommended, viscosity typically SAE 10W-30 or 10W-40 (check manual for specific recommendations). Rotary engines require a separate oil injection system for apex seal lubrication.
Oil Injection Type:
Dedicated 2-stroke or rotary-specific oil, injected directly into the intake manifold or engine housing. Manual will specify type and capacity.
Technical Specifications
Apex Seals:
Critical wear components. Manual details inspection, replacement, and lubrication requirements.
Rotor Housing Clearance:
Manual will provide specific tolerances for wear and surface finish requirements for rebuilds.
🔧 Transmission
Standard
Type:
4-speed manual transmission standard on many models. Some models offered a 5-speed manual later in the production run.
Optional
Type:
3-speed automatic transmission (e.g., Torqueflite based) was an option on some models.
Fluid level checks, filter replacement, and basic troubleshooting for automatic transmissions are likely included.
Fluid Specifications
Manual Transmission Fluid:
GL-4 gear oil, viscosity typically 75W-90 or 80W-90. Manual will specify exact type and capacity.
Automatic Transmission Fluid:
Dexron II or equivalent. Manual will specify exact type and capacity.
📐 Dimensions
Exterior
Body Styles:
Coupe, Sedan, Station Wagon (RX-3 only)
Wheelbase:
Varies by model and body style, typically around 95-100 inches. Manual may contain precise measurements.
Weights
Curb Weight:
Approximately 2200-2500 lbs depending on body style and engine. Manual will list specific weights.
🛡️ Safety Features
Ratings
Crash Test Data:
No formal crash test ratings (e.g., NHTSA, IIHS) existed for vehicles of this era in the modern sense. Manual will not contain such data.
Active Features
Braking System:
Front disc brakes, rear drum brakes standard. Manual details hydraulic system, pad/shoe replacement, and fluid changes.
Passive Features
Seatbelts:
Lap belts standard, shoulder belts may have been optional or standard on higher trims. Manual may cover seatbelt adjustment and replacement.
Body Construction:
Unibody construction, manual covers body panel repair and integrity.
💡 Technology Features
Infotainment
Audio System:
Basic AM/FM radio and cassette player were available. Manual covers electrical connections and speaker replacement.
Driver Assistance
Features:
No advanced driver-assistance systems (ADAS) were available. Focus is on mechanical and electrical systems.
Connectivity
Features:
N/A (No factory connectivity features typical of modern vehicles)
🔧 Maintenance
Service Intervals
Oil Change:
Typically every 3,000 miles or 3 months, but rotary engines require careful monitoring of oil injection system. Manual will provide specific intervals.
Spark Plug Replacement:
Varies based on plug type; copper plugs may require more frequent replacement than platinum. Manual will list specific intervals and gap settings.
Coolant Flush:
Generally every 2 years or 30,000 miles. Manual will specify coolant type and capacity.
Lubrication:
Regular chassis lubrication points (grease fittings) are detailed in the manual.
Fluid Specifications
Brake Fluid Type:
DOT 3 or DOT 4. Manual will confirm the specific requirement for the braking system.
Coolant Type:
Ethylene glycol based antifreeze mixed with distilled water. Manual will specify mixture ratio and capacity.
Known Issues
Rotary Engine Apex Seals:
Premature wear of apex seals is a common issue if maintenance intervals are not adhered to or if the engine is overheated. Manual covers inspection and replacement.
Carburetor Issues:
Tuning, flooding, or vacuum leaks in the Hitachi/Mikuni carburetors can cause rough running. Manual provides detailed tuning procedures.
Oil Seals:
Internal oil seals can degrade over time, leading to oil consumption. Manual guides inspection and replacement.
📚 Vehicle History
Brand Heritage
Mazda Rotary Pioneering:
Mazda's commitment to the Wankel rotary engine began with the Cosmo and continued through models like the RX-2 and RX-3, establishing a unique performance niche.
Model Evolution
Rx-2 Introduction:
Introduced in 1970 as the Capella Rotary. Initially offered with the 10A rotary engine. Available as a coupe and sedan.
Rx-3 Introduction:
Introduced in 1971 as the Savanna Rotary. Featured the larger 12A rotary engine and was available as a coupe, sedan, and later a station wagon. Known for its sporty character.
Production
Manufacturing Location:
Japan
Sales Impact:
These models were crucial in establishing Mazda's reputation for innovative engineering and performance, particularly with their rotary engines.
🏆 Awards & Recognition
Recognitions
Rotary Engine Recognition:
Mazda's rotary engines themselves received significant acclaim for their smooth operation, high-revving nature, and compact size, leading to numerous awards for Mazda as a manufacturer.
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