Market Position:
The Mazda RX-2, particularly in its early years, represented Mazda's push into the performance compact car segment, leveraging its innovative rotary engine technology. It competed against established Japanese and European marques offering compact sedans and coupes.
Key Competitors:
Datsun (Nissan) 240Z/Violet, Toyota Corolla, Ford Escort, Opel Kadett, BMW 1602/2002. The RX-2's rotary engine offered a distinct advantage in smoothness and potential power output for its displacement, setting it apart.
Key Features Of Manual:
Extremely detailed procedures, clear explanations for new technicians, emphasis on special tool usage, inclusion of pictorial diagrams, exploded views, and photographs. Covers all aspects from basic maintenance to complex overhauls, with a strong focus on safety and correct methodology.
Model Years Covered:
1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978
Manual Type:
Workshop Service Manual / Repair Manual
Systems Covered:
Engine (Rotary), Drivetrain (Transmission, Differential), Suspension, Steering, Brakes, Electrical System, Fuel System, Cooling System, Lubrication System, Emission Control System, Bodywork, Interior Trim, Chassis Components, HVAC (where applicable), Exterior Lighting, Interior Lighting, Wheels and Tires, Diagnostic Procedures
Procedures Included:
Regular maintenance, scheduled maintenance, troubleshooting, diagnostics, removal and installation of components, disassembly and assembly of major systems, adjustments, repair procedures, overhaul procedures, wiring diagrams, exploded views, specifications, torque values, fluid types and capacities, wear limits
Technical Depth:
Comprehensive, step-by-step instructions for both routine maintenance and major repairs. Includes detailed explanations, pictorial diagrams, and specific technical data required for servicing, adjustments, and overhauls. Suitable for professional mechanics and experienced DIY enthusiasts.
Engine Type:
Rotary (Wankel)
Rotor Displacement:
573 cc per rotor (1146 cc total equivalent displacement)
Induction System:
Two-barrel carburetor (e.g., Hitachi, Solex variations)
Horsepower Range Estimated:
Approximately 110-130 PS (Gross) depending on specific market and emissions controls.
Torque Range Estimated:
Approximately 150-160 Nm (Gross) depending on specific market and emissions controls.
Fuel Type:
Unleaded gasoline (Premium)
Fuel Delivery:
Carburetor
Transmission Type Standard:
4-speed Manual
Transmission Type Optional:
3-speed Automatic
Clutch Type:
Single dry plate, hydraulically operated
Rear Axle Ratio:
Varies by model and transmission, typically around 3.9:1 or 4.1:1.
Body Styles:
2-door Sedan, 2-door Coupe, 4-door Sedan, 5-door Station Wagon (less common)
Wheelbase:
Approx. 2510 mm (98.8 inches)
Length:
Approx. 4175 mm (164.4 inches) for Coupe, longer for Sedan
Width:
Approx. 1600 mm (63.0 inches)
Height:
Approx. 1375 mm (54.1 inches) for Coupe
Curb Weight:
Approx. 980-1150 kg (2160-2535 lbs) depending on body style and equipment.
Gross Vehicle Weight:
Varies by model, typically around 1350-1450 kg.
Safety Ratings:
Safety standards and crash testing methodologies in the 1970s were significantly less stringent than today. Specific ratings for the RX-2 are not readily available by modern standards.
Active Safety Features:
Front disc brakes, rear drum brakes, independent front suspension, recirculating ball steering.
Passive Safety Features:
Basic seat belts (lap belts in front, lap belts in rear as standard depending on market/year), padded dashboard, safety glass.
Oil Change Interval:
Typically every 3,000-5,000 miles (5,000-8,000 km) or 3-6 months, whichever comes first. Consult manual for specific grade.
Spark Plug Replacement Interval:
Varies; rotary spark plugs require specific intervals. Often checked at major services.
Air Filter Replacement Interval:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on operating conditions.
Engine Oil Type:
API SG or higher, SAE 10W-30 or 10W-40 recommended. Specific rotary oil additives might be beneficial. Manual will specify exact grades and approvals.
Coolant Type:
Ethylene glycol based, typically a 50/50 mix with distilled water. Specified mixture is critical for rotary engines. Consult manual for specific type (e.g., green coolant).
Transmission Fluid Type Manual:
GL-4 gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Type Automatic:
Dexron II or equivalent automatic transmission fluid (ATF).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Known Issues:
Apex seal wear, side seal wear, rotor housing scoring (due to lubrication or overheating), carburetor issues, ignition system tuning for rotary engines, potential for oil consumption.
Common Wear Items:
Apex seals, side seals, O-rings for rotor housings, spark plugs, distributor rotor and cap, brake pads/shoes, clutch components.
Brand Heritage Context:
Mazda's commitment to rotary engine technology, pioneered by Felix Wankel, began with the Cosmo Sport and continued with the R100, RX-2, RX-3, and later RX-7. The RX-2 was a crucial step in establishing Mazda as an innovative automaker.
Model Evolution Notes:
The RX-2 (Capella Rotary) was introduced in 1970 and was based on the Capella platform. It shared styling cues with its piston-engined counterparts but was distinguished by its rotary powertrain. It was produced until 1978, preceding the RX-3 and RX-7 in many markets.
Production Period:
1970-1978
Production Locations:
Japan
