Model Code:
DB (1988-1997)
Generations Covered:
Second Generation (DB)
Production Years Covered:
1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
Segment:
Subcompact/Economy car segment.
Target Audience:
Budget-conscious consumers seeking reliable and economical transportation.
Key Competitors:
Ford Fiesta, Vauxhall/Opel Corsa, Volkswagen Polo, Honda Civic (early models), Toyota Starlet.
Design Philosophy:
Practical, space-efficient interior within compact exterior dimensions, good fuel economy.
Value Proposition:
Affordable entry-level vehicle with a reputation for mechanical simplicity and reasonable running costs.
Engine:
Complete engine overhaul, diagnosis, tuning, lubrication system, cooling system, fuel system, ignition system, exhaust system, emissions control systems.
Transmission:
Manual and Automatic transmission servicing, repair, overhaul, clutch system, gearbox components, drive shafts, differentials.
Brakes:
Front and rear brake systems (disc and drum), hydraulic system, parking brake, ABS (if equipped on later models).
Suspension:
Front and rear suspension components, struts, shock absorbers, springs, control arms, bushings, steering linkage.
Steering:
Power steering system (if equipped), steering rack, column, linkage, diagnosis and repair.
Electrical:
Complete electrical system, wiring diagrams, battery, charging system, starter motor, lighting, instrumentation, accessories, fuses, relays, ECUs.
Body And Chassis:
Body panel removal/installation, doors, windows, latches, body repair, chassis components, frame alignment.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, refrigerant handling.
Maintenance:
Routine maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups, belt and hose replacement.
Troubleshooting:
Diagnostic procedures for common problems, symptom-based troubleshooting guides, fault code interpretation (if applicable).
Repair:
Detailed step-by-step repair procedures for all major vehicle components, including engine rebuilds, transmission overhauls, brake caliper replacement, etc.
Installation:
Procedures for installing new or replacement parts and accessories.
Depth:
Comprehensive (covers everything from basic maintenance to full component rebuilds and advanced diagnostics, suitable for both DIY and professional mechanics).
Engine Codes:
B-series gasoline engines (e.g., B3, B5, B6). Diesel variants (e.g., PN) were also available in some markets.
Displacement Options:
Commonly 1.1L (B11), 1.3L (B3), 1.5L (B5), 1.6L (B6). Diesel: 1.7L (PN).
Horsepower Range:
Approximately 55 hp to 90 hp depending on engine and configuration.
Torque Range:
Approximately 75 Nm to 120 Nm depending on engine and configuration.
Fuel Delivery:
Carburetor (early models) or Electronic Fuel Injection (EFI) on later models.
Type:
Distributor-based ignition system, often with electronic control.
Type:
Pressurized liquid-cooled system.
Body Styles:
3-door hatchback, 5-door hatchback, and some markets offered a convertible variant.
Length:
Approximately 3,745 mm (147.4 in) for hatchback models.
Width:
Approximately 1,610 mm (63.4 in).
Height:
Approximately 1,395 mm (55.0 in).
Curb Weight Range:
Approximately 850 kg to 950 kg (1,874 lbs to 2,094 lbs).
Gross Vehicle Weight Rating Gvw:
Typically around 1,300 kg - 1,400 kg.
Crash Test Results:
Limited official crash test data available from modern standards for this era of vehicle. Generally considered basic safety for its time.
Braking System:
Front disc brakes, rear drum brakes. ABS was an option on later or higher-spec models.
Seatbelts:
Standard front seatbelts. Rear seatbelts varied by market and trim.
Airbags:
Airbags were not standard equipment on most models of this generation; optional on some later variants.
Oil Change Interval:
Typically every 5,000 km (3,000 miles) or 6 months, whichever comes first, depending on driving conditions.
Timing Belt Replacement:
Crucial interval, often around 90,000 - 100,000 km (56,000 - 62,000 miles) for B-series engines. Failure can cause severe engine damage.
Engine Oil:
API SF or SG classification, SAE 10W-30 or 10W-40 recommended (check manual for specific viscosity based on temperature).
Coolant:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water.
Transmission Fluid Manual:
GL-4 gear oil, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Dexron II or equivalent automatic transmission fluid (ATF).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Rust And Corrosion:
Common in certain climates, especially around wheel arches, sills, and the underbody.
Ignition System Reliability:
Spark plug wires, distributor cap, and rotor can wear over time.
Cooling System Leaks:
Hoses and radiators can degrade, leading to leaks.
Clutch Wear:
As with any manual transmission vehicle, clutch wear is a common maintenance item.
Mazda Philosophy:
Mazda's reputation for producing reliable, driver-focused, and innovative vehicles, even in the economy segment.
Previous Generation:
First generation Mazda 121 (1986-1991), often rebadged as Ford Festiva in some markets.
Next Generation:
Third generation Mazda 121 (1996-2003), which became the Mazda Demio in Japan and was known as the Ford Fiesta elsewhere.
Manufacturing Locations:
Primarily manufactured in Japan and also potentially in other Mazda assembly plants globally.
