Vehicle Segment:
Compact Sports Coupe/Sedan
Target Audience:
Enthusiasts, DIY mechanics, restoration specialists
Competitors Era:
Datsun 240Z, Toyota Celica GT, Ford Capri
Unique Selling Proposition:
Rotary engine technology, distinctive styling
Manual Advantage:
Comprehensive, model-specific, factory-level detail, digital convenience
Vehicle Appeal:
Unique rotary powertrain, stylish Japanese design of the era
Overall Coverage:
All models and all repairs A-Z
Specific Coverage:
Specific to 1973 Mazda RX-2 models, not generic
Estimated Page Count:
Estimated 500-1000+ pages (typical for comprehensive factory service manuals of this era)
Type:
Factory Service and Repair Manual
Printability:
Yes, all pages printable
Software Requirements:
Adobe PDF Reader, Winzip (free online)
Powertrain:
Engine (Rotary 10A), Ignition, Starting, Charging, Lube, Fuel Service, Cooling, Intake, Exhaust, Emission Control, Auto Transmission, Manual Transmission, Clutch, Transfer, Propeller Shaft, Drive Shaft, Differential, Axle
Chassis And Suspension:
Suspension (Front/Rear), Tire & Wheel, Brake Control, Brake System (Hydraulic/Mechanical), Parking Brake, Steering Column, Power Steering
Body And Interior:
Exterior & Interior Trim, Engine Hood/Door, Windshield/Glass/Mirror, Instrument Panel, Seat, Door Lock
Electrical And Comfort:
Electrical System, Wiring Schematics, Meter/Audio/Visual, Horn, Wiper & Washer, Air Conditioning, Suppl Restraint System (if applicable for era), Seat Belt, Cruise Control (if equipped), Engine Immobilizer (unlikely for this era)
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Diagnostics:
Troubleshooting guides, diagnostic procedures for all systems
Repair:
Step-by-step repair instructions for all major and minor components
Overhaul:
Complete rebuild procedures for engine, transmission, and other major mechanical assemblies
Electrical Work:
Wiring schematic interpretation, component testing, electrical system repair
Depth:
Factory-level, comprehensive, detailed diagnostics, repair, and overhaul instructions
Content Type:
Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications
Configuration:
Two-rotor, naturally aspirated
Displacement:
993 cc (actual displacement of rotor housing, not swept volume)
Power Output:
Approx. 120-130 hp (depending on market and emissions equipment)
Torque Output:
Approx. 120-130 lb-ft
Carburetion:
Two dual-throat downdraft carburetors (e.g., Hitachi/Solex)
Fuel Type:
Unleaded gasoline (introduced in 1973, requiring potential adjustments from earlier models)
Wheelbase:
Approx. 97.4 inches (2474 mm)
Length:
Approx. 167.3 inches (4249 mm)
Width:
Approx. 64.0 inches (1626 mm)
Height:
Approx. 51.2 inches (1300 mm)
Curb Weight:
Approx. 2300-2500 lbs (1043-1134 kg) depending on body style and equipment
Gross Vehicle Weight Rating:
Specific GVWR varies by model, consult manual for precise figure
Crash Test Era:
Safety standards were less rigorous than today; no official NHTSA ratings available for this model year.
Braking System:
Front disc brakes, rear drum brakes
Steering:
Recirculating ball steering, optional power steering
Seat Belts:
Standard seat belts (lap belts, potentially lap-and-shoulder in later production or specific markets)
Body Structure:
Unibody construction with integrated safety cage elements
Radio:
Likely AM/FM radio, possibly with an optional multiplex FM stereo. Cassette players were rare for this model year.
Speakers:
Typically 2 or 4 speakers.
Cruise Control:
Optional on some models, especially higher trims or export markets.
Power Steering:
Optional, enhancing maneuverability.
Connectivity Features:
N/A - This era predates modern digital connectivity features.
Oil Change:
Every 3,000 miles or 3 months (typical for the era, consult manual for exact spec)
Spark Plugs:
Inspect/replace at specified intervals (e.g., 15,000-20,000 miles), specific plugs for rotary engines
Timing Belt:
N/A (Rotary engines do not have a timing belt; they use a stationary eccentric shaft with rotor timing).
Engine Oil:
API SF or SG classification, viscosity typically SAE 10W-30 or 10W-40 (consult manual for precise recommendation)
Cooling System:
Ethylene glycol based coolant, typically 50/50 mix with distilled water. Capacity: approx. 4.5-5.0 quarts (4.3-4.7 liters).
Transmission Fluid:
Manual: GL-4 gear oil (e.g., SAE 75W-90 or 80W-90). Automatic: DEXRON-II or equivalent.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid
Rotary Apex Seals:
Wear and failure of apex seals are common issues leading to compression loss. Proper maintenance and avoiding harsh operation are key.
Carbon Buildup:
Carbon deposits can form in the combustion chambers, requiring periodic cleaning or 'de-coking'.
Oil Consumption:
Rotary engines inherently consume some oil for lubrication of internal seals; monitoring and topping up is crucial.
Cooling System Overheating:
Rotary engines generate significant heat; proper cooling system maintenance is vital to prevent overheating.
Mazda Rotary Introduction:
Mazda's commitment to the rotary engine began in the late 1960s, making the RX-2 a significant step in its adoption for mass production.
Rx Lineage:
Preceded by the R100 (Cosmo Sport) and followed by the RX-3, RX-4, and the iconic RX-7.
Styling Influence:
Styled by Giorgetto Giugiaro, reflecting contemporary European design trends.
Production Years:
1971-1978
Manufacturing Location:
Japan
