🏷️ Basic Information

Make:

Mazda

Model:

MX-3 (Eunos 30X)

Model Variant:

Eunos 30X

Generation:

1st Generation

Chassis Code:

EC

Engine Code:

K8

👋 Introduction

Segment:

Compact Sporty Coupe / Hatchback

Target Audience:

Enthusiasts, DIY mechanics, and professional technicians working on Mazda MX-3 / Eunos 30X models.

Competitors:

Honda CR-X, Toyota MR2, Mitsubishi Eclipse, Nissan 180SX/240SX (S13), Ford Probe.

Unique Selling Points:

Compact V6 engine, distinctive styling, affordable sporty driving experience.

Manual Value Proposition:

Provides the definitive technical resource for maintaining and repairing the Mazda MX-3/Eunos 30X, ensuring longevity and optimal performance for owners.

📋 Manual Details

Model Years Covered:

1991-1998

Region Of Origin:

Likely JDM (Japan Domestic Market) due to Eunos designation

Engine Coverage:

K8 DOHC (V6)

Estimated Page Count:

Comprehensive FSM; exact count not provided but typically 800-1500+ pages for full FSMs

Type:

Factory Service Manual (FSM) / Workshop Manual

Language:

English

File Format:

Digital (RAR archive containing PDF)

📖 Manual Coverage

Powertrain:

Engine mechanical, Lubrication system, Cooling system, Fuel and emission control, Engine electrical, Clutch, Manual transaxle (G25M-R), Automatic transmission (implied for broader coverage), Front axle, Rear axle

Chassis:

Steering system, Brake system, Wheels and tires, Suspension (front and rear), Restraint system

Body & Electrical:

Body and trim, Heater, Air conditioner, Audio system, Lights, Electrical system, Wiring diagrams (including schematics)

Technical Data:

Includes essential technical specifications, torque values, clearances, and specifications for various components.

Maintenance:

Pre-delivery inspection, Scheduled maintenance, Fluid checks and changes, Filter replacements, Tune-up procedures

Repair:

Engine overhaul/rebuild, Transmission service/rebuild, Brake caliper/rotor replacement, Suspension component replacement, Electrical component diagnosis and replacement, Body panel repair

Diagnostics:

Troubleshooting common issues, Diagnostic procedures for electrical systems, Engine performance diagnostics

Accelerator Control:

Details on throttle cable adjustment and linkage.

Fuel And Exhaust Systems:

Includes fuel pump, injectors, exhaust manifold, catalytic converter, and muffler service.

Depth:

Comprehensive from basic maintenance to advanced diagnostics and complete rebuild procedures for all covered systems.

Diagnostic Tools:

Includes information on special tools required for specific repairs and diagnostics.

Wiring Diagrams:

Detailed electrical wiring schematics and diagrams are provided for comprehensive diagnosis and repair of the vehicle's electrical systems.

📊 Manual Specifications

Compression Format:

RAR

Extraction Software:

WinRAR (recommended)

Printability:

PDF format allows for printing of individual pages or entire sections.

Binding:

N/A (Digital product)

Paper Type:

N/A (Digital product)

⚙️ Engine Specifications

Engine Code:

K8-DE

Configuration:

V6, 24-valve DOHC

Displacement:

1.8 Liters (1845 cc)

Valve Train:

DOHC (Double Overhead Camshafts)

Horsepower:

Approx. 130-140 PS (96-103 kW; 128-138 hp) depending on market and emission standards.

Torque:

Approx. 150-160 Nm (111-118 lb-ft) depending on market.

Induction:

Naturally Aspirated, Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline

System:

Catalytic converter, EGR system (likely), Oxygen sensors.

🔧 Transmission

Type:

5-speed Manual Transaxle

Model Code:

G25M-R

Type:

4-speed Automatic Transaxle

Drivetrain:

Front-Wheel Drive (FWD)

Manual Transmission Fluid:

API GL-4, SAE 75W-90 or SAE 80W-90 Gear Oil (Consult manual for exact specification and capacity).

Automatic Transmission Fluid:

Dexron III or equivalent (Consult manual for exact specification and capacity).

📐 Dimensions

Length:

Approx. 4220 mm (166.1 in)

Width:

Approx. 1695 mm (66.7 in)

Height:

Approx. 1305 mm (51.4 in)

Curb Weight:

Approx. 1150-1250 kg (2535-2756 lbs) depending on transmission and options.

🛡️ Safety Features

Crash Test Results:

Limited data available for specific era/region; generally considered average for its class at the time. Manual provides structural repair guidance.

Braking System:

Front: Ventilated Discs, Rear: Drums (standard). ABS often optional, especially on higher trims or later models.

Steering System:

Power assisted rack and pinion (standard on most models).

Airbags:

Driver airbag standard on later models, passenger airbag optional or absent on early models.

Seatbelts:

Front and rear seatbelts. Pre-tensioners may be present on later models.

💡 Technology Features

Audio System:

Factory radio with cassette player, optional CD player. Manual details wiring and component replacement.

ABS:

Optional Anti-lock Braking System on some models.

N/A:

No advanced connectivity features typical of modern vehicles.

🔧 Maintenance

Oil Change:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first (Consult manual for exact recommendation).

Timing Belt:

Critical replacement interval, typically 60,000-90,000 miles (96,000-144,000 km) or 5-7 years due to interference engine design (Manual will specify exact interval and procedure).

Spark Plugs:

Recommended replacement every 30,000-60,000 miles (48,000-96,000 km) depending on plug type (Iridium/Platinum may last longer).

Engine Oil:

API SG/SH, SAE 5W-30 or 10W-30 recommended. Consult manual for exact viscosity and capacity (Approx. 4.0-4.5 liters with filter).

Coolant:

Ethylene glycol based antifreeze with corrosion inhibitors. Mazda coolant or equivalent. Mixture 50/50 with distilled water. Capacity approx. 6.0-6.5 liters.

Power Steering Fluid:

Dexron II/III ATF or specific Mazda power steering fluid (Consult manual for specification and capacity).

Engine:

Variable valve timing (if equipped on specific V6 variants, though less common on K8), minor oil leaks, carbon buildup. The V6 is generally robust but requires diligent maintenance.

Suspension:

Worn bushings, ball joints, and tie rod ends are common wear items due to age.

Electrical:

Corroded grounds, failing window regulators, HVAC blower motor resistors.

📚 Vehicle History

Mazda Philosophy:

Mazda's legacy of producing driver-focused vehicles with innovative engineering and distinctive styling.

Development:

The MX-3 was designed as a stylish and affordable compact sports coupe, differentiating itself with its unique V6 engine option in a class often dominated by 4-cylinder engines. The Eunos 30X was a JDM variant often featuring higher specifications.

Production Years:

1991-1998

Manufacturing Location:

Japan

🏆 Awards & Recognition

Popular Mechanics:

Often cited in 'Ten Best' lists for its class or for its innovative V6 engine at the time of release.

Car And Driver:

Often reviewed favorably for its sporty handling and unique engine, despite practical limitations.

N/A:

N/A (Specific certifications for this model are not commonly cited, focus is on engineering and design)