Segment:
Sports Car / Grand Tourer
Philosophy:
Mazda's flagship performance vehicle, known for its rotary engine, lightweight chassis, and exceptional handling.
Key Competitors:
Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mitsubishi 3000GT VR-4, Chevrolet Corvette (C4).
Distinctive Features:
Rotary engine technology, twin-turbocharging, balanced chassis dynamics, iconic styling, advanced aerodynamics.
Software Advantage:
Easy searchability, zoomable diagrams, instant access, portability compared to bulky printed manuals.
Engine Systems:
Rotary (13B-REW), twin-turbo, sequential turbocharging, lubrication, cooling, fuel injection, ignition timing, emissions controls (catalytic converter, secondary air injection).
Transmission Systems:
Mazda R154 5-speed manual transmission, clutch operation, driveshaft, differential, axle shafts.
Chassis Systems:
Double-wishbone front and multi-link rear suspension, power-assisted rack-and-pinion steering, ventilated disc brakes (front and rear), ABS system.
Electrical Systems:
ECU, sensors (crankshaft position, camshaft position, MAF, O2, knock), actuators, ignition coil packs, starting and charging system, lighting, power accessories, instrumentation, audio system, security system.
Maintenance Procedures:
Oil change, filter replacement, spark plug inspection/replacement (specific rotary plugs), coolant flush, brake fluid change, air filter replacement, fuel filter replacement, belt inspection/replacement.
Repair Procedures:
Engine rebuild (apex seal replacement, rotor housing inspection), turbocharger removal/installation/rebuild, transmission overhaul, clutch replacement, suspension component replacement, brake caliper overhaul, steering rack replacement, electrical component diagnosis and replacement, body panel repair, interior trim removal/installation.
Diagnostic Procedures:
OBD-I fault code retrieval, diagnostic trouble tree (DTT) charts, sensor testing, actuator testing, fuel pressure testing, compression testing (rotary specific), vacuum leak testing.
Troubleshooting Guides:
Step-by-step guides for common drivability issues, starting problems, electrical faults, noise diagnosis, and performance anomalies.
Depth:
Expert-level, suitable for professional technicians and advanced DIY enthusiasts. Covers complete disassembly, assembly, and calibration of all major vehicle systems.
Engine Type:
Rotary (Wankel)
Configuration:
Twin-Rotor, Turbocharged
Displacement:
1.3 Liters (654cc x 2)
Horsepower:
255 hp @ 6500 RPM
Torque:
217 lb-ft @ 5000 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Premium Gasoline (91 octane or higher recommended)
System Type:
Sequential Twin-Turbo (Hitachi HT06-27)
Boost Pressure Low:
8.0 psi (primary turbo)
Boost Pressure High:
10.3 psi (secondary turbo)
Coolant Type:
Mazda Long Life Antifreeze (or equivalent)
Type:
Mazda R154 5-speed Manual
Type:
N/A for 1993 US market RX-7
Clutch Type:
Hydraulic, Twin-Plate (optional for some markets/later models, but standard for performance)
Transmission Fluid:
GL-4 Gear Oil (e.g., Mazda Manual Transmission Fluid, SAE 75W-90)
NHTSA Front Impact:
4-star
NHTSA Side Impact:
Not Rated (typical for era)
ABS:
Standard (Anti-lock Braking System)
Traction Control:
Optional/Standard on some later trims (TCS)
Airbags:
Driver-side airbag standard
Seatbelts:
3-point front seatbelts with pretensioners
Body Structure:
Reinforced safety cell, crumple zones
Audio System:
Factory AM/FM stereo with cassette player, optional CD player.
Climate Control:
Manual or Automatic Climate Control (depending on trim level).
ABS:
Standard Anti-lock Braking System.
Connectivity Features:
N/A (No modern connectivity features like Bluetooth or USB available from factory).
Oil Change Interval:
Every 3,000-5,000 miles (5,000-8,000 km) or 6 months, whichever comes first, using high-quality synthetic oil.
Spark Plug Replacement:
Inspect every 15,000 miles (24,000 km), replace as needed (rotary plugs are specific and have shorter lifespans than piston plugs).
Air Filter Replacement:
Inspect every 7,500 miles (12,000 km), replace as needed.
Fuel Filter Replacement:
Recommended every 30,000 miles (48,000 km).
Engine Oil Capacity:
5.1 US quarts (4.8 Liters) with filter change.
Engine Oil Type:
API SG/SH, SAE 10W-30 or 5W-30 (check manual for extreme temperature recommendations).
Coolant Capacity:
7.3 US quarts (6.9 Liters)
Brake Fluid Type:
DOT 3 or DOT 4
Power Steering Fluid:
Dexron II ATF (Automatic Transmission Fluid)
Apex Seal Wear:
Premature wear can occur if oil injection system fails or engine is overheated. Requires engine rebuild.
Sequential Turbo Problems:
Wastegate actuator failure or control solenoid issues can lead to boost leaks or loss of sequential operation.
Vacuum Lines:
Extensive network of vacuum lines prone to cracking and leaks, affecting engine performance.
Catalytic Converter:
Can become clogged over time, impacting performance and requiring replacement.
Oil Metering Pump:
Failure can lead to insufficient lubrication of apex seals.
Mazda Rotary Legacy:
Mazda's long-standing commitment to rotary engine development, dating back to the Cosmo Sport.
Previous Generations:
SA22C (1979-1985) and FC3S (1986-1991)
Fd Design Philosophy:
Designed with a focus on pure sports car driving dynamics, lightweight construction, and advanced aerodynamics.
Production Years:
1992-2002
Manufacturing Location:
Hiroshima, Japan