🏷️ Basic Information

Make:

Mazda

Model:

RX-7

Model Code:

FC3S (2nd Generation)

Year:

1990

Generation Designation:

2nd Generation (FC)

Generation Years:

1985-1992

Chassis Codes:

FC3S

👋 Introduction

Vehicle Class:

Sports Car / Grand Tourer

Segment:

Compact/Mid-size Sports Coupe

Key Competitors:

Toyota Supra, Nissan 300ZX (Z32), Chevrolet Camaro, Ford Mustang, Porsche 944

Unique Selling Proposition:

Rotary engine technology, balanced chassis, striking design

📋 Manual Details

Coverage Scope:

All models and all repairs A-Z

Page Count:

Extensive (Specific count not provided, but implies comprehensive coverage)

Manual Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Likely printed physical manual (standard for the era), potentially available digitally

📖 Manual Coverage

Engine Systems:

Rotary engine (13B), fuel injection, ignition, lubrication, cooling, exhaust, emissions control

Drivetrain Systems:

Manual transmission, automatic transmission, clutch, driveshaft, differential, axles

Suspension Steering:

Front suspension (independent, MacPherson strut with trailing links), rear suspension (independent, semi-trailing arm), power steering system, steering gearbox

Brake Systems:

Front disc brakes, rear disc brakes, anti-lock braking system (ABS), parking brake, brake hydraulics

Electrical Electronics:

12V electrical system, battery, charging system (alternator), starting system, lighting, instruments, gauges, wiring diagrams, ECU, sensors

Body Chassis:

Body panel repair, chassis frame, doors, hood, trunk, glass, interior trim, seats, bumpers

HVAC System:

Heating, Ventilation, and Air Conditioning (HVAC) system operation and repair

Maintenance Procedures:

Routine maintenance checks, oil changes, filter replacements, spark plug replacement, belt adjustments, fluid level checks

Diagnostic Procedures:

Troubleshooting guides for common and uncommon issues, diagnostic trouble codes (DTCs) interpretation (where applicable), system testing procedures

Repair Procedures:

Step-by-step instructions for component removal, installation, overhaul, and adjustment for all major systems

Engine Rebuild:

Detailed procedures for rotary engine apex seal replacement, rotor housing inspection, oil seal replacement, and complete engine overhauls

Transmission Repair:

Disassembly, inspection, and reassembly of manual and automatic transmissions

Electrical Repairs:

Wiring harness repair, component testing and replacement, circuit diagnosis using provided wiring diagrams

Depth Of Information:

Factory-level technical information, including detailed specifications, torque values, clearances, diagnostic procedures, and specialized tools required

Target Audience:

Professional technicians and experienced DIY enthusiasts

📊 Manual Specifications

File Format:

N/A (assuming printed for this context)

Print Quality:

High-quality, durable paper stock, clear diagrams and text

Binding Type:

Likely perfect-bound or spiral-bound for ease of use in a workshop environment

Paper Type:

Durable, often coated paper to resist workshop conditions

⚙️ Engine Specifications

Engine Type:

Naturally Aspirated Rotary (13B-EGI)

Engine Configuration:

Two-rotor, Wankel

Displacement:

1.3 L (79.1 cu in) - Designated as 13B, actual displacement is effectively twice that of a 4-stroke of equivalent power output

Bore X Stroke:

100.0 mm x 84.0 mm (per rotor) - Note: Rotary engines use eccentric shafts, not crankshafts in the traditional sense.

Horsepower:

Approximately 200 hp @ 6,500 rpm (for naturally aspirated models)

Torque:

Approximately 190 lb-ft @ 4,000 rpm (for naturally aspirated models)

Fuel Delivery:

Electronic Fuel Injection (EFI), often with multi-point injection (MPI)

Fuel Type:

Unleaded Gasoline

Octane Rating:

Premium Unleaded (91+ octane recommended)

Apex Seals:

Critical wear component requiring specific service procedures; oil changes crucial for lubrication of seals.

🔧 Transmission

Transmission Type:

5-speed Manual Transmission

Transmission Type:

4-speed Automatic Transmission

Gear Ratios:

Specific ratios vary by model and transmission type, detailed in manual.

Manual Transmission Fluid:

API GL-4, SAE 75W-90 or 80W-90 gear oil (check manual for exact specification)

Automatic Transmission Fluid:

Mazda ATF-III or equivalent (check manual for exact specification)

📐 Dimensions

Length:

Approx. 4,390 mm (172.8 in)

Width:

Approx. 1,690 mm (66.5 in)

Height:

Approx. 1,295 mm (51.0 in) (Coupe)

Wheelbase:

Approx. 2,520 mm (99.2 in)

Curb Weight:

Approx. 1,250 - 1,350 kg (2,755 - 2,976 lbs), varies by trim and options

🛡️ Safety Features

Crash Test Ratings:

NHTSA and IIHS ratings for this era are not as standardized as modern vehicles; consult specific regional testing data if available.

Antilock Brakes:

Available ABS on some models

Traction Control:

Not commonly equipped on 1990 models

Airbags:

Driver-side airbag standard on most 1990 models, passenger airbag not typically available.

Seatbelts:

3-point inertia reel seatbelts

💡 Technology Features

Audio System:

Factory AM/FM stereo with cassette player, optional CD player on some models.

Climate Control:

Manual or automatic climate control systems depending on trim level.

Cruise Control:

Standard on most higher trims.

Phone Integration:

Not available in its original form; aftermarket solutions are common.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 miles or 3-6 months, crucial for rotary engine longevity

Spark Plug Replacement:

Refer to manual; rotary-specific spark plugs and intervals apply

Engine Oil Type:

API SG/SH or higher, SAE 10W-30 or 10W-40 recommended (check manual for specific viscosity and type for rotary engines)

Coolant Type:

Mazda Super Long Life Coolant (Blue) or equivalent ethylene glycol-based coolant with corrosion inhibitors

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid

Rotary Engine Wear:

Apex seals, side seals, and rotor housings are critical wear components. Regular oil changes and proper warm-up/cool-down are essential.

Fuel Injector Clogging:

Can occur over time, impacting performance and fuel economy.

Vacuum Leaks:

Degradation of vacuum hoses can lead to rough idle and performance issues.

Weather Stripping:

Aging rubber seals can lead to water leaks and interior noise.

📚 Vehicle History

Mazda Sports Car Legacy:

Mazda has a long history of producing engaging and innovative sports cars, notably the Cosmo, RX series (RX-7, RX-8), and MX-5 Miata.

Fc Generation Development:

The FC generation (1985-1992) succeeded the SA22C (FB) and introduced a more sophisticated chassis, independent rear suspension, and the option of turbocharging. It was famously featured in the Initial D manga and anime.

Manufacturing Location:

Japan

🏆 Awards & Recognition

Car And Driver Ten Best:

The FC generation RX-7 was named to Car and Driver's Ten Best list multiple times during its production run.