Target Audience:
Professional mechanical technicians, experienced DIY enthusiasts.
Advantage:
Provides dealership-level information and procedures, enabling quality service and informed repairs.
Value Proposition:
Enables owners to get the best value from their Mazda 121 by facilitating informed maintenance and repairs.
Safety Emphasis:
Highlights the importance of using safety equipment and observing precautions during repairs.
Clarity Indicators:
Emphasizes information using WARNING, CAUTION, and NOTE symbols.
Engine:
Detailed repair, overhaul, diagnostics, tune-ups, lubrication system, cooling system, fuel system, ignition system, emissions control.
Transmission:
Removal, installation, overhaul, diagnostics for both manual and automatic transmissions.
Drivetrain:
Front-wheel drive system, axles, CV joints, differential.
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, steering linkage.
Brakes:
Hydraulic system, master cylinder, brake calipers, wheel cylinders, brake pads/shoes, parking brake, bleeding procedures.
Steering:
Steering column, steering rack/box, power steering system (if equipped), wheel alignment.
Electrical:
Wiring diagrams, battery, charging system (alternator, regulator), starting system, lighting, gauges, accessories, fuse box, relays, starter motor, ignition switch.
Body:
Body panel removal/installation, doors, windows, interior trim, body seals, underbody protection, basic body repairs.
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair (if applicable).
Emissions:
Emissions control systems, catalytic converter, oxygen sensors, evaporative emission control system.
Maintenance:
Routine servicing, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt adjustments/replacement.
Troubleshooting:
Diagnostic procedures for common and complex issues across all systems.
Repair:
Detailed step-by-step repair procedures for component removal, disassembly, repair, reassembly, and installation.
Overhaul:
Comprehensive overhaul procedures for major components like engines and transmissions.
Installation:
Procedures for installing new or rebuilt components.
Calibration:
Procedures for calibrating sensors and systems where applicable.
Depth:
Advanced diagnostics, complete engine and transmission rebuilds, detailed electrical system troubleshooting, specialized procedures.
Component Level Detail:
In-depth information on individual components, including their function, testing, and repair.
Proprietary Components:
Includes instructions for proprietary components and references manufacturer instructions for these parts.
Special Tools:
Identifies and illustrates Mazda special tool numbers required for specific adjustments or repairs.
Engine Codes:
E1, E1-F (commonly found in this generation)
Engine Type:
Inline 4-cylinder, SOHC, 8-valve
Displacement:
1.1L (1138 cc)
Bore X Stroke:
70.0 mm x 73.0 mm (typical)
Compression Ratio:
8.5:1 to 9.0:1 (typical, depending on variant)
Horsepower:
Approx. 54-60 PS (40-44 kW) at 5500-6000 rpm
Torque:
Approx. 82-86 Nm (60-63 lb-ft) at 3000-3500 rpm
Fuel Delivery:
Carburetor (e.g., single-barrel or two-barrel, depending on market and trim)
Fuel Type:
Unleaded Gasoline
Recommended Octane:
91 RON (research octane number) or equivalent
Length:
Approx. 3,730 mm (146.9 in)
Width:
Approx. 1,570 mm (61.8 in)
Height:
Approx. 1,365 mm (53.7 in)
Wheelbase:
Approx. 2,300 mm (90.6 in)
Curb Weight:
Approx. 780-850 kg (1719-1874 lbs)
Gross Vehicle Weight Rating Gvwr:
Approx. 1200-1300 kg (2646-2866 lbs)
Oil Change:
Every 5,000 - 7,500 km (3,000 - 5,000 miles) or 6 months, whichever comes first.
Air Filter:
Replace every 15,000 - 20,000 km (10,000 - 12,000 miles) or annually.
Spark Plugs:
Inspect every 20,000 km (12,000 miles), replace every 30,000 - 40,000 km (20,000 - 25,000 miles).
Coolant Flush:
Every 2-3 years or 40,000-60,000 km (25,000-37,000 miles).
Engine Oil:
API SG/SH or equivalent, SAE 10W-30 or 10W-40 (check manual for specific ambient temperature recommendations).
Transmission Fluid Manual:
API GL-4, SAE 75W-90 or 80W-90 gear oil.
Transmission Fluid Automatic:
Dexron III or equivalent.
Coolant:
Ethylene glycol-based coolant, 50/50 mix with distilled water.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Engine Carburetor:
Carburetor can be prone to clogging and need for adjustment/rebuild over time, affecting idle and performance.
Ignition System:
Distributor cap and rotor wear, spark plug wires can degrade.
Rust:
Common for vehicles of this age, particularly in wheel arches, sills, and around windows.
Electrical Connectors:
Corrosion in electrical connectors, especially grounds, can lead to intermittent issues.
