🏷️ Basic Information

Make:

Mazda

Model:

121

Year:

1993

Generation Code:

DB

Chassis Code:

DB

👋 Introduction

Segment:

Subcompact/Compact Car

Market Focus:

Affordable, fuel-efficient transportation, particularly popular in markets like Australia, Europe, and Asia.

Competitors 1993:

Toyota Corolla, Honda Civic, Nissan Sentra, Ford Escort, Opel/Vauxhall Corsa, Volkswagen Polo.

Design Philosophy:

Practicality, reliability, and cost-effectiveness.

Manual Value Proposition:

Empowers owners to perform maintenance and repairs, saving costs and extending vehicle life, with step-by-step factory-level guidance.

📋 Manual Details

Market Scope:

Likely global, with specific regional variants

Estimated Page Count:

Extensive (typically 500+ pages for comprehensive factory service manuals)

Type:

Repair Service Manual / Workshop Manual

Language:

English

Format:

PDF (Downloadable)

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, overhaul, lubrication, cooling system, fuel system (carburetor/injection), exhaust system, ignition system, emission control systems.

Engine Electrical:

Ignition timing, starter motor, alternator, battery, wiring diagrams, sensors, ECUs (Engine Control Units).

Transmission:

Manual transmission (clutch, gearbox, drive shafts), Automatic transmission (if applicable to the specific variant covered), fluid types, service procedures.

Drivetrain:

Front-wheel drive system, differential, CV joints.

Suspension:

Front suspension (McPherson struts, control arms), rear suspension (torsion beam, independent), shock absorbers, springs, alignment specifications.

Steering:

Steering rack, power steering system (if equipped), steering column, steering wheel removal/installation.

Brakes:

Front disc brakes, rear drum brakes, hydraulic system, brake fluid specifications, master cylinder, wheel cylinders, parking brake.

Electrical System Body:

Lighting systems (headlights, taillights, interior), wipers, horn, power windows, central locking (if equipped), fuse box diagrams, relays, switches, body control modules.

HVAC:

Heating and air conditioning system components, refrigerant types, service procedures, blower motor, controls.

Body Exterior:

Body panel removal and installation, doors, hood, trunk lid, bumpers, glass, trim.

Body Interior:

Dashboard removal, seat removal, door panel removal, interior trim components.

Maintenance:

Scheduled maintenance items, oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, belt inspections and replacement.

Troubleshooting:

Diagnostic procedures for common problems, symptom-based troubleshooting guides, fault codes (if applicable).

Repair:

Step-by-step instructions for component removal, repair, and reinstallation of all major systems.

Disassembly Assembly:

Detailed instructions for taking apart and putting back together vehicle components and systems.

Cleaning Reinstalling:

Procedures for cleaning components before reassembly and correct reinstallation techniques.

Depth:

Comprehensive, covering routine maintenance to major overhauls and diagnostics.

Target Audience:

Professional technicians and experienced DIY enthusiasts.

📊 Manual Specifications

Format:

PDF

Requirements:

Adobe PDF Reader

Printability:

Full Printable

Zoom Functionality:

YES (Zoom IN/OUT)

Digital Binding:

N/A (Digital Download)

Digital Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code Common:

B3 (1.3L)

Engine Type:

Inline-4, SOHC (Single Overhead Camshaft)

Displacement Cc:

1342 cc

Bore X Stroke Mm:

71.0 x 83.6 mm (approximate)

Compression Ratio:

9.3:1 (approximate)

Horsepower Ps Approx:

73 PS @ 5500 rpm

Torque Nm Approx:

104 Nm @ 3500 rpm

Fuel Delivery:

Carburetor (e.g., Aisan 2-barrel) or Electronic Fuel Injection (EFI) depending on market and trim.

Fuel Type:

Unleaded Gasoline (RON 91 or higher)

Cooling System:

Water-cooled, pressurized system with thermostatic control.

Ignition System:

Distributorless Ignition System (DIS) or conventional distributor with electronic ignition.

🔧 Transmission

Type:

5-speed Manual Transmission

Type:

3-speed or 4-speed Automatic Transmission (depending on market/trim)

Fluid Type Manual:

API GL-4 SAE 75W-90 or 80W-90 gear oil.

Fluid Type Automatic:

Mazda ATF-Type T-IV or equivalent DEXRON III.

📐 Dimensions

Length Mm:

3830 mm (approximate)

Width Mm:

1600 mm (approximate)

Height Mm:

1375 mm (approximate)

Wheelbase Mm:

2345 mm (approximate)

Curb Weight Kg:

860 - 950 kg (depending on specification)

Gross Vehicle Weight Kg:

1300 kg (approximate)

🛡️ Safety Features

Crash Test Results:

Limited official data for this model year and segment, but generally considered a basic safety structure for its era.

Brakes Anti Lock:

ABS (Anti-lock Braking System) was an optional feature on higher trims or in specific markets.

Airbags:

Driver airbag was optional or standard on higher trims; passenger airbag not common for this generation.

Seatbelts:

Front: 3-point inertia reel seatbelts. Rear: Lap belts or 3-point belts depending on seating position and market.

💡 Technology Features

Audio System:

Basic AM/FM radio with cassette player. Optional CD player on some higher trims.

Cruise Control:

Not commonly available; typically an aftermarket addition if present.

Auxiliary Input:

Not standard; may require aftermarket adapter for MP3 players.

🔧 Maintenance

Oil Change:

Every 7,500 - 10,000 km or 6-12 months, whichever comes first (refer to manual for exact specification).

Air Filter Replacement:

Every 15,000 - 20,000 km or as needed based on driving conditions.

Spark Plug Replacement:

Every 30,000 - 50,000 km, depending on spark plug type (copper vs. platinum).

Timing Belt Replacement:

Crucial! Typically around 80,000 - 100,000 km or 5-7 years. Failure can cause severe engine damage (interference engine).

Engine Oil Capacity Liters:

Approx. 3.7 liters (with filter) - consult manual for exact capacity.

Coolant Capacity Liters:

Approx. 5.0 liters - use a 50/50 mixture of ethylene glycol antifreeze and distilled water.

Brake Fluid Type:

DOT 3 or DOT 4.

Engine Performance:

Carburetor issues (gumming up, adjustments), ignition system component failures (coil, distributor cap/rotor if applicable), worn engine mounts.

Suspension Steering:

Worn ball joints, tie rod ends, and bushings due to age and mileage. Power steering pump leaks (if equipped).

Electrical:

Corrosion in wiring harnesses, faulty window regulators, ignition switch issues, alternator problems.

Body Rust:

Common in older vehicles, particularly wheel arches, sills, and around windows. Regular undercoating and rustproofing are recommended.

📚 Vehicle History

Mazda Heritage:

Mazda has a long history of producing reliable and driver-focused vehicles, with a focus on compact and efficient cars.

Mazda 121 History:

The Mazda 121 (also known as Ford Festiva in some markets and later the Mazda Demio in other regions) was a series of subcompact cars produced by Mazda from 1986 to 2002. The DB generation (1991-1999) replaced the DA generation.

Manufacturing Location:

Primarily manufactured in Japan (Mazda), with production facilities potentially in other regions for Ford-badged variants.

🏆 Awards & Recognition

General Reputation:

Praised for its affordability and fuel efficiency. Less known for performance or luxury features.