Chassis Code:
DA1, DA2, DA3, DA4, DA5, DA6, DA7, DA8
Engine Codes:
B1 (1.1L), B3 (1.3L), B6 (1.6L), D5 (1.7L Diesel)
Segment:
Subcompact/Compact Hatchback
Historical Role:
Mazda's entry-level offering, known for affordability and practicality.
Key Competitors Era:
Honda Civic, Toyota Corolla, Ford Escort, Nissan Sentra, Volkswagen Golf
Design Philosophy:
Functional, efficient, and reliable personal transportation.
Manual Advantage:
Provides factory-level technical data, crucial for accurate and efficient repairs, bridging the gap between owner's manuals and specialized workshop manuals.
Engine Mechanical:
Engine disassembly, assembly, inspection, repair, timing, cooling system, lubrication system.
Engine Management:
Fuel injection system, ignition system, emission control systems, ECU diagnostics and troubleshooting.
Transmission Manual:
Clutch system, manual transmission disassembly, inspection, repair, and adjustment.
Transmission Automatic:
Automatic transmission disassembly, inspection, repair, hydraulic system, electronic controls (if applicable).
Drivetrain:
Front-wheel drive system, axles, CV joints, differential.
Suspension:
Front and rear suspension components, steering system, wheel alignment specifications.
Brakes:
Brake system components (master cylinder, calipers, drums, lines), ABS (if equipped), troubleshooting, bleeding procedures.
Electrical System:
Charging system, starting system, lighting system, instrument cluster, power windows, locks, wipers, horn.
HVAC:
Heating, ventilation, and air conditioning (HVAC) system operation, diagnosis, and repair.
Body And Chassis:
Body panel removal/installation, interior trim, doors, windows, bumpers, chassis lubrication.
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections.
Disassembly Assembly:
Detailed step-by-step instructions for removing and installing major components.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common problems.
Repair:
Instructions for repairing worn or damaged components.
Cleaning And Reinstalling:
Proper procedures for cleaning parts before reassembly.
Diagnostics:
Wiring diagrams, diagnostic trouble codes (DTCs), test procedures for electrical components.
Depth:
Comprehensive, covering basic maintenance to advanced engine and transmission rebuilds.
Engine Options:
1.1L (B1), 1.3L (B3), 1.6L (B6) Inline-4 gasoline engines, and a 1.7L (D5) diesel engine.
Horsepower Range:
Approximately 50-70 HP for gasoline variants, 50-60 HP for diesel.
Torque Range:
Approximately 70-90 lb-ft for gasoline variants, 70-80 lb-ft for diesel.
Fuel Delivery:
Carbureted or Fuel Injection (depending on market and engine variant).
Fuel Type:
Unleaded gasoline (87 octane typically recommended), Diesel
Body Styles:
3-door hatchback, 5-door hatchback
Wheelbase Approx:
2300-2370 mm (90.6-93.3 inches)
Length Approx:
3800-3960 mm (149.6-155.9 inches)
Width Approx:
1600-1650 mm (63.0-65.0 inches)
Height Approx:
1350-1400 mm (53.1-55.1 inches)
Curb Weight Approx:
800-950 kg (1760-2095 lbs)
Oil Change Interval:
Every 5,000-7,500 miles or 6-12 months (refer to manual for specific engine/oil type).
Transmission Fluid Change:
Manual: Check level periodically. Automatic: Every 30,000-50,000 miles or as per manual.
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Timing Belt Replacement:
Crucial for B-series engines. Typically 60,000-90,000 miles or 5-7 years. Failure can cause catastrophic engine damage.
Engine Oil Type:
API SG or SH, SAE 5W-30 or 10W-30 (refer to manual for precise grade).
Coolant Type:
Ethylene Glycol based antifreeze (Mazda long-life or equivalent).
Brake Fluid Type:
DOT 3 or DOT 4.
Transmission Fluid Manual:
API GL-4, SAE 75W-90 or 80W-90.
Transmission Fluid Automatic:
Mazda ATF-III or Dexron III equivalent.
Common Wear Items:
Clutch wear, rear wheel bearings, exhaust system corrosion, ignition components (spark plugs, wires, distributor cap/rotor).
Electrical Gremlins:
Wiring harness issues, especially grounds, can lead to intermittent electrical problems over time.
Rust Susceptibility:
As with many vehicles of this era, rust can be an issue in areas exposed to road salt and moisture, particularly on the underbody, wheel arches, and sills.
Mazda History:
Mazda has a long history of producing reliable and innovative vehicles, often focusing on driver engagement and unique engineering solutions.
121 Generations:
The 1991 model represents the first generation (launched in 1987) of the Mazda 121, also known as the Mazda Metro in North America and Ford Festiva in some markets.
Platform Sharing:
This generation of the 121 shared its platform with the Ford Festiva, indicating a collaborative development effort.
Production Period:
First generation: 1987-1991
