🏷️ Basic Information

Make:

Mazda

Model:

323 Protege

Model Generation:

BG

Year:

1993

Chassis Code:

BG

👋 Introduction

Vehicle Segment:

Compact car (subcompact in some markets).

Target Audience:

Economy-conscious buyers, young drivers, small families seeking reliable and affordable transportation.

Key Competitors:

Honda Civic, Toyota Corolla, Nissan Sentra, Ford Escort, Mitsubishi Mirage.

Vehicle Focus:

Reliability, fuel efficiency, practical design, decent handling for its class.

Manual Value Proposition:

Empowers owners and mechanics to maintain, diagnose, and repair the vehicle accurately, extending its lifespan and preserving its value.

📋 Manual Details

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Likely Printed (common for factory manuals of this era, though digital versions exist)

Page Count:

Estimated 800-1200+ pages (typical for comprehensive factory service manuals covering all aspects of the vehicle).

📖 Manual Coverage

Engine:

Complete diagnosis, repair, overhaul for all engine variants including B-series (e.g., B3, B5, BP).

Transmission:

Service and repair for manual (M5, M5A) and automatic (F4A-EL) transmissions.

Drivetrain:

Front-wheel drive axle, differential, and driveshaft service.

Suspension:

Front and rear suspension component diagnosis, replacement, alignment procedures.

Steering:

Power steering system diagnosis, repair, and components.

Brakes:

Hydraulic brake system, ABS (if equipped), disc and drum brake service, bleeding procedures.

Electrical:

Comprehensive wiring diagrams, component testing, diagnosis of lighting, starting/charging, ignition, fuel injection, interior/exterior electronics.

Body:

Exterior body panels, doors, windows, locks, interior trim, glass replacement, body repair techniques.

HVAC:

Heating, ventilation, and air conditioning system diagnosis and repair.

Fuel System:

Fuel pump, injectors, lines, fuel tank service, evaporative emission control (EVAP) system.

Exhaust System:

Exhaust manifold, catalytic converter, muffler replacement and diagnosis.

Cooling System:

Radiator, water pump, thermostat, fan service and diagnosis.

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, inspections, lubrication.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon faults, fault codes.

Repair:

Detailed step-by-step instructions for component removal, disassembly, assembly, and reinstallation.

Adjustment:

Calibration and adjustment procedures for various systems (e.g., ignition timing, idle speed).

Diagnosis:

Component testing, circuit checks, pressure tests, and diagnostic flowcharts.

Specifications:

Torque specifications, clearances, fluid capacities, electrical values.

Depth:

Comprehensive: Covers routine maintenance to full engine and transmission rebuilds, including electrical system diagnostics and body repair.

Detail Level:

Factory-level detail with specific torque values, schematics, and diagnostic procedures.

📊 Manual Specifications

File Format:

Likely Original Factory Print. If digital, typically PDF.

Print Quality:

High (typical for factory service manuals with clear diagrams and text).

Binding Type:

Likely Perfect Bound or Spiral Bound (for ease of use during repairs).

Paper Type:

Durable, often coated paper to withstand workshop conditions.

⚙️ Engine Specifications

Engine Code 1:

B3

Engine Type 1:

1.3L SOHC Inline-4

Displacement 1:

1324 cc (80.8 cu in)

Bore X Stroke 1:

71.0 x 83.6 mm

Compression Ratio 1:

9.3:1

Horsepower 1:

Approx. 67 hp @ 5500 rpm (Euro spec, may vary by market/emissions)

Torque 1:

Approx. 100 Nm (74 lb-ft) @ 3500 rpm (Euro spec)

Engine Code 2:

B5

Engine Type 2:

1.5L SOHC Inline-4

Displacement 2:

1498 cc (91.4 cu in)

Horsepower 2:

Approx. 73 hp @ 5500 rpm

Torque 2:

Approx. 118 Nm (87 lb-ft) @ 3500 rpm

Engine Code 3:

BP

Engine Type 3:

1.8L DOHC Inline-4 (with optional VICS or turbo in some markets/later models)

Displacement 3:

1839 cc (112.2 cu in)

Horsepower 3:

Approx. 100-115 hp @ 6000 rpm (NA), up to 180 hp (turbo)

Torque 3:

Approx. 150-160 Nm (111-118 lb-ft) @ 4000 rpm (NA)

Fuel Delivery:

Electronic Fuel Injection (EFI), Multi-point Fuel Injection (MPI) for BP engine.

Fuel Type:

Unleaded Gasoline (Octane rating specified in manual, typically 87-91 AKI).

Ignition System:

Distributorless Ignition System (DIS) or Distributor-based ignition, with electronic control.

🔧 Transmission

Transmission Type Standard:

5-speed Manual (M5, M5A)

Transmission Type Optional:

4-speed Automatic (F4A-EL)

Transmission Features:

Sport mode on automatic transmission (optional/trim dependent).

📐 Dimensions

Length:

Approx. 4245 mm (167.1 in)

Width:

Approx. 1680 mm (66.1 in)

Height:

Approx. 1375 mm (54.1 in) - Sedan, 1370 mm (53.9 in) - Hatchback

Wheelbase:

Approx. 2550 mm (100.4 in)

Front Track:

Approx. 1440 mm (56.7 in)

Rear Track:

Approx. 1420 mm (55.9 in)

Curb Weight:

Approx. 1050-1200 kg (2315-2645 lbs), varies by body style and engine.

Gross Vehicle Weight Rating:

Specified in manual, typically around 1500-1600 kg.

🛡️ Safety Features

NHTSA Crash Test Rating:

Information for 1993 models is limited, but earlier generations were not stellar. Later models improved.

ABS:

Optional Anti-lock Braking System (ABS) on some trims/markets.

Traction Control:

Not typically available on this model year.

Airbags:

Driver's side airbag standard on many trims, passenger airbag optional or unavailable.

Seatbelts:

Front and rear seatbelts, with pre-tensioners on front belts for some models.

💡 Technology Features

Audio System:

Factory AM/FM stereo with cassette player, optional CD player on higher trims. Speaker count varies (4-6).

Climate Control:

Manual or semi-automatic climate control systems.

Cruise Control:

Optional on many trims.

Connectivity Features:

Limited by era; primarily focused on basic audio and climate functions. No integrated Bluetooth or smartphone connectivity.

🔧 Maintenance

Oil Change Interval:

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

Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on conditions.

Spark Plug Replacement:

Depending on plug type, typically 30,000-60,000 miles (48,000-96,000 km).

Timing Belt Replacement:

Crucial for BP engines (interference engine). Typically every 60,000-90,000 miles (96,000-144,000 km) or 5-7 years. Critical to verify in manual.

Engine Oil Specification:

API SG/SH, SAE 5W-30 or 10W-30 (depending on climate). Consult manual for exact viscosity.

Coolant Specification:

Mazda Genuine Super Long Life Coolant or equivalent Ethylene Glycol based coolant (50/50 mix with distilled water). Check manual for specific type.

Transmission Fluid Manual:

GL-4 Gear Oil, SAE 75W-90 or 80W-90. Capacity approx. 2.0-2.5 liters.

Transmission Fluid Automatic:

Dexron IIE or equivalent ATF. Capacity approx. 3.5-4.0 liters (initial fill).

Brake Fluid Specification:

DOT 3 or DOT 4 brake fluid.

Common Issues:

Oil leaks from valve cover gasket/oil pan, premature wear of suspension components (bushings, ball joints), potential rust in certain climates, distributor issues (if equipped), CV joint wear, engine mounts.

Timing Belt Concern:

BP engines are interference engines; a broken timing belt will cause valve-to-piston contact and severe engine damage. Strict adherence to replacement intervals is critical.

📚 Vehicle History

Mazda Brand Philosophy:

Known for affordable, reliable, and driver-focused vehicles, often with a sporty bent.

Protege Lineage:

The Protege was Mazda's entry into the compact sedan/hatchback market, evolving from earlier models like the 323. The BG generation (1990-1994) saw significant design updates and improved technology.

Bg Generation Significance:

Introduced a more aerodynamic and modern design. Offered a wider range of engines and a more refined interior compared to its predecessor.

Production Period:

BG generation: 1990-1994.

Manufacturing Locations:

Primarily Japan (Hofu Plant) and also in other Mazda facilities worldwide.

🏆 Awards & Recognition

General Reputation:

Generally well-regarded for reliability and value, though not a segment leader in performance or features compared to some contemporaries.