Segment:
Compact Sports Car / Grand Tourer
Key Differentiator:
Rotary Engine technology, lightweight chassis, distinctive styling.
Direct Competitors Era:
Datsun Z-series (280ZX), Toyota Celica Supra, Porsche 924, Triumph TR7.
Engine Type:
Wankel Rotary Engine (unique selling proposition)
Handling:
Renowned for balanced handling and RWD dynamics.
Design:
Iconic Giugiaro-penned styling for Series 1/2, updated designs for Series 3.
Coverage Type:
Comprehensive Service and Repair
Geographical Coverage:
Likely North American and Global Specifications (typical for aftermarket manuals, specific focus needs verification via manual content)
Estimated Page Count:
Extensive (Full Version implies a comprehensive document, often 500+ pages for this era/model)
Manual Type:
Factory Service Manual / Repair Manual
Powertrain:
Engine (Rotary 12A/13B), Fuel System, Ignition System, Exhaust System
Transmission Drivetrain:
Manual Transmissions (4-speed, 5-speed), Automatic Transmissions (optional), Clutch, Driveshaft, Rear Axle/Differential
Chassis Suspension:
Front Suspension (MacPherson Strut), Rear Suspension (Watt's Linkage), Steering System (Power Steering), Brakes (Front Disc, Rear Drum/Disc options), Wheels and Tires
Electrical Electronics:
Wiring Diagrams, Lighting System, Ignition System, Starting System, Charging System, Instruments and Gauges, Audio System, Wiper/Washer System
Body Interior Exterior:
Body and Frame, Doors, Hood, Trunk, Glass and Windows, Interior Trim, Seats, Exterior Trim, Bumpers, Paint and Corrosion Protection
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) System
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Checks and Replacements
Diagnostics Troubleshooting:
Diagnostic Procedures for all Major Systems, Troubleshooting Charts, Symptom-Based Diagnostics
Repair Overhaul:
Engine Disassembly and Reassembly, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair
Adjustment Calibration:
Carburetor Adjustment (for 12A), Ignition Timing Adjustment, Carburetor Synchronization (for multi-carb setups if applicable), Clutch Adjustment
Special Tools:
Identification and usage of required special tools for specific procedures.
Depth Level:
Professional Technician Level (covers detailed component removal, disassembly, inspection, repair, and reassembly)
Electrical Schematics:
Detailed Wiring Diagrams for all electrical systems.
Specifications Tolerances:
Precise torque specifications, clearances, fluid capacities, and component tolerances.
Engine Type:
Naturally Aspirated Wankel Rotary
Engine Displacement Rotor Volume:
1.14 L (69.7 cu in) per rotor, total effective displacement 2.29 L (139.4 cu in)
Bore Per Rotor:
100 mm (3.94 in)
Stroke Per Rotor:
70 mm (2.76 in)
Horsepower 12A Early:
100-105 hp @ 6000-7000 rpm (depending on market and emissions) / 110 hp for RX-7 GSL-SE
Torque 12A Early:
110-114 lb-ft @ 3500-4000 rpm / 117 lb-ft for GSL-SE
Fuel Delivery Early:
Downdraft Carburetor (Hitachi, later Keihin)
Fuel Delivery Late Models:
Fuel Injection (Bosch L-Jetronic on GSL-SE)
Fuel Type:
Unleaded Gasoline (87 octane minimum, 89 recommended for optimal performance)
Cooling Type:
Liquid-Cooled
Oil Type:
API SG or SH rated SAE 10W-30 or 10W-40 (Rotary-specific oil is often recommended).
Ignition System:
Distributorless Ignition System (DIS) with dual leading and trailing spark plugs on later models.
Transmission Type:
4-Speed Manual Transmission (early models), 5-Speed Manual Transmission (later models)
Transmission Type:
3-Speed Automatic Transmission
Clutch Type:
Dry Single Plate
Manual Transmission Fluid:
API GL-4 SAE 75W-90 or 80W-90 gear oil.
Automatic Transmission Fluid:
Dexron III (or equivalent)
Length:
Approx. 4,255 mm (167.5 in)
Width:
Approx. 1,650 mm (65.0 in)
Height:
Approx. 1,265 mm (49.8 in)
Wheelbase:
Approx. 2,430 mm (95.7 in)
Front Track:
Approx. 1,370 mm (53.9 in)
Rear Track:
Approx. 1,365 mm (53.7 in)
Curb Weight:
Approx. 1,050 - 1,150 kg (2,315 - 2,535 lbs) depending on trim and options.
Gross Vehicle Weight Rating:
Approx. 1,400 kg (3,086 lbs)
Trunk Volume:
Moderate, typical for a coupe of its era.
Standard Wheel Size:
13-inch or 14-inch alloy or steel wheels
Standard Tire Size:
185/70R13 or 195/60R14
Bolt Pattern:
4x114.3 mm (4x4.5 in)
NHTSA Crash Test Ratings:
Not extensively rated by modern standards; older safety regulations applied.
Braking System Type:
Front Disc, Rear Drum (standard); Front & Rear Disc (optional on GSL, standard on GSL-SE)
Suspension Features:
Low center of gravity, balanced weight distribution contributing to inherent stability.
Seatbelts:
3-point Inertial Reel Seatbelts (front)
Steering Column:
Collapsible steering column
Body Structure:
Reinforced body structure with side impact beams (later models).
Oil Change Interval:
Every 3,000-5,000 miles (5,000-8,000 km) or 6 months, whichever comes first. More frequent changes recommended for spirited driving.
Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km), or more frequently in dusty conditions.
Spark Plug Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) due to the nature of rotary ignition.
Coolant Flush Interval:
Every 24,000-36,000 miles (38,000-58,000 km) or 2 years.
Coolant Type:
Ethylene Glycol based coolant, 50/50 mix with distilled water. Use Mazda compatible coolant.
Brake Fluid Type:
DOT 3 or DOT 4.
Power Steering Fluid:
Dexron II or equivalent ATF.
Apex Seal Wear:
Common to all rotaries; wear can lead to loss of compression, poor starting, and reduced power. Regular maintenance and proper warm-up/cool-down procedures are crucial.
Carburetor Issues:
Can suffer from vacuum leaks, jet clogging, and float issues, requiring regular cleaning and adjustment.
Oil Consumption:
Rotary engines inherently consume oil as part of their lubrication system. The manual will detail the correct oil consumption rate and procedures for checking.
Cooling System Maintenance:
Crucial to prevent overheating. Radiator, hoses, and water pump require regular inspection.
Mazda Rotary History:
Mazda's commitment to rotary engine technology since the 1960s, following NSU's development.
Fb Generation Introduction:
Introduced in 1978 globally (as RX-7), facelifted in 1980 (Series 2) and 1983 (Series 3) for North America. This manual covers the entire FB lifecycle up to its replacement by the FC generation.
Key Variants:
GS, GSL, GSL-SE (with fuel injection and larger 13B engine in later years).
Production Period Fb:
1978-1985 (globally)
Manufacturing Location:
Japan