🏷️ Basic Information

Make:

Mazda

Model:

RX-7

Year:

1994

Chassis Code:

FD

Engine Code:

13B-REW

👋 Introduction

Vehicle Class:

Sports Car / Grand Tourer

Unique Selling Proposition:

Renowned for its twin-rotor rotary engine, exceptional handling, and iconic styling

Key Competitors Era:

Nissan 300ZX (Z32), Toyota Supra (Mk IV), Mitsubishi 3000GT, Porsche 968

Engine Type:

Twin-Rotary, Twin-Turbocharged

Drivetrain:

Rear-Wheel Drive

Design:

Aerodynamic, flowing lines, pop-up headlights, iconic sports car silhouette

Handling:

50/50 weight distribution, sophisticated multi-link suspension, praised for its balance and agility

📋 Manual Details

Coverage Scope:

Complete Service and Repair

Estimated Pages:

1000+

Type:

Factory Service Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Engine:

Rotary (13B-REW twin-turbo), including apex seals, rotor housing, lubrication, cooling, fuel injection, ignition, emissions control

Transmission:

RWD 5-speed Manual (Mazda M5OD-R1), clutch system, gear shift mechanism

Drivetrain:

Rear axle, differential, driveshaft, half-shafts

Suspension:

Front double wishbone, Rear multi-link, shock absorbers, springs, bushings, alignment procedures

Brakes:

Front ventilated discs, Rear solid discs, ABS system (Teves Mk II), hydraulic lines, master cylinder, parking brake

Steering:

Power-assisted rack and pinion, steering column, tie rods, power steering pump

Electrical:

Battery, charging system (alternator), starting system, lighting, instrumentation, ECU, wiring diagrams, fuses, relays

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel injectors, fuel pressure regulator, fuel filter

Exhaust System:

Catalytic converter, mufflers, exhaust pipes, O2 sensors

Cooling System:

Radiator, coolant hoses, thermostat, water pump, cooling fan

Body And Chassis:

Frame construction, body panels, doors, hood, trunk, interior trim, glass, bumpers

HVAC:

Air conditioning, heater, blower motor, refrigerant system, climate control

Safety Systems:

Airbags (driver and passenger), seat belts, ABS

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections

Repair:

Engine rebuild, transmission overhaul, brake caliper replacement, suspension component repair, electrical component diagnosis and repair, body panel replacement

Troubleshooting:

Diagnostic procedures for engine performance, electrical faults, emissions issues, starting problems, cooling system leaks

Diagnostics:

OBD-I codes, diagnostic connectors, sensor testing, actuator testing, ECU diagnostics

Specifications:

Torque specifications, clearances, fluid capacities, pressure readings

Wiring Diagrams:

Comprehensive electrical schematics for all systems

Component Replacement:

Detailed instructions for replacing all major and minor components

Depth:

Expert-level, including full engine and transmission rebuild procedures, advanced diagnostics, and electrical system analysis

📊 Manual Specifications

Format Details:

Searchable PDF with high-resolution diagrams and text

Quality:

Printable at professional quality, with clear graphics and legible text

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code:

13B-REW

Engine Type:

Rotary, 2-Rotor, 2-Stage Twin-Turbocharged

Displacement:

1308 cc (equivalent to ~2.6L reciprocating engine)

Horsepower:

255 hp @ 6500 rpm

Torque:

217 lb-ft @ 5000 rpm

Redline:

7500 rpm

Injection Type:

Sequential Electronic Fuel Injection (SEFI), Twin Injectors per Rotor Housing

Fuel Type:

Unleaded Premium Gasoline (91 octane or higher recommended)

Type:

Electronic Ignition, Distributorless Twin Ignition System (TIS)

Oil Capacity:

5.1 US quarts (4.8 liters) with filter change

Oil Type:

API SG or higher, SAE 10W-30 recommended (consult manual for specific viscosity by temperature)

Coolant Capacity:

7.4 US quarts (7.0 liters)

Coolant Type:

Ethylene Glycol-based coolant (50/50 mix with distilled water)

🔧 Transmission

Type:

Mazda M5OD-R1, 5-Speed Manual

Type:

4-Speed Automatic (less common)

Clutch Type:

Hydraulic Actuated, Single Dry Plate

Transmission Fluid Capacity:

2.1 US quarts (2.0 liters)

Transmission Fluid Type:

API GL-4 SAE 75W-90 Gear Oil

Final Drive Ratio:

4.30:1 (standard)

📐 Dimensions

Length:

167.9 inches (4265 mm)

Width:

69.1 inches (1755 mm)

Height:

48.2 inches (1225 mm)

Wheelbase:

95.5 inches (2425 mm)

Front Track:

58.7 inches (1490 mm)

Rear Track:

58.3 inches (1480 mm)

Curb Weight:

2976 - 3089 lbs (1350 - 1401 kg) depending on options

Gross Vehicle Weight Rating Gvwr:

Approx. 3750 lbs (1700 kg)

Weight Distribution:

Near 50/50 front/rear

🛡️ Safety Features

NHTSA Frontal Impact:

Not formally rated by NHTSA in this era for sports cars in the same way as sedans.

ABS:

Standard (Teves Mk II Anti-lock Braking System)

Traction Control:

Optional (Electronic Traction Control System - TCS)

Airbags:

Driver and Passenger Airbags (standard)

Seat Belts:

3-point inertia reel seatbelts

Body Structure:

Reinforced safety cell, crumple zones

💡 Technology Features

Audio System:

Factory AM/FM/Cassette with optional CD player, 4-8 speaker system depending on trim

Climate Control:

Manual climate control with A/C and heater

ABS:

Standard Anti-lock Braking System

Cruise Control:

Standard

Vintage Era Tech:

Primarily focused on mechanical and electronic systems of the early 1990s; no modern infotainment or driver-assistance suites.

🔧 Maintenance

Engine Oil Change:

Every 3,000-5,000 miles or 6 months (whichever comes first, depending on driving conditions).

Oil Filter Replacement:

With every oil change

Air Filter Replacement:

Every 15,000-30,000 miles or as needed based on inspection

Spark Plugs Replacement:

Refer to manual, typically at higher mileage intervals for rotary-specific plugs (e.g., 30,000-60,000 miles)

Coolant Flush:

Every 30,000 miles or 2 years

Transmission Fluid Change:

Every 30,000 miles

Differential Fluid Change:

Every 30,000 miles

Engine Oil Part Number Example:

Mazda Genuine Oil Filter 8970-14-302 (or equivalent from reputable aftermarket suppliers like Wix, K&N, Bosch)

Transmission Fluid Part Number Example:

Mazda Part Number 0000-77-7002-01 (Hypoid Gear Oil EP 80W-90) or equivalent GL-4 75W-90

Brake Fluid Type:

DOT 3 or DOT 4

Rotary Specific:

Apex seal wear, potential for hard starting due to flooding, oil injection system maintenance, vacuum hose degradation, turbocharger reliability (especially the sequential system's complexity)

Common Wear Items:

Ignition coils, fuel injectors, suspension bushings, clutch wear

Compression Testing:

Crucial for rotary engine health, recommended at regular intervals (e.g., every 30,000 miles or if performance issues arise)

📚 Vehicle History

Mazda Rotary Legacy:

Mazda is the sole manufacturer of production rotary engines, a lineage dating back to the Mazda Cosmo Sport 110S.

Rx Series Timeline:

RX-7 spans three generations: SA/FB (1978-1985), FC (1985-1992), and FD (1992-2002). The 1994 model is part of the highly acclaimed FD generation.

Fd Generation Production Years:

1992-2002 (Japan), 1993-1995 (North America)

Manufacturing Location:

Hiroshima, Japan

Significance Of 1994 Model:

Represents a refined version of the initial FD design, often considered the 'sweet spot' before later emissions-driven power detuning in some markets.

🏆 Awards & Recognition

Car And Driver Alist:

Named to Car and Driver's Ten Best list multiple times, including for the FD generation.

Motor Trend Awards:

Frequently praised for its engineering and driving dynamics by automotive publications.

Engineering Praise:

Widely recognized for its innovative rotary engine technology and exceptional chassis dynamics.