Comprehensive; covers basic maintenance to full engine and transmission rebuilds.
Diagnostics Level:
Advanced diagnostics, including component-level testing and interpretation of diagnostic trouble codes (DTCs).
Wiring Diagrams:
Detailed electrical wiring diagrams for all vehicle systems, including troubleshooting guides.
đ Manual Specifications
File Format
File Type:
PDF
Searchability:
Searchable text (OCR'd where applicable).
Print Quality
Print Readability:
High-resolution scans ensuring clear text and diagrams for printing.
Binding Type
Binding Method:
N/A (Digital Download - PDF)
Paper Type
Paper Quality:
N/A (Digital Download - PDF)
âïž Engine Specifications
Primary Engine
Engine Code:
B6 (1.6L SOHC), BP (1.8L DOHC)
Displacement 1.6L:
1598 cc
Displacement 1.8L:
1839 cc
Horsepower 1.6L:
88-90 hp @ 5500-6000 rpm
Horsepower 1.8L:
122-125 hp @ 6000 rpm
Torque 1.6L:
90-92 lb-ft @ 3500-4000 rpm
Torque 1.8L:
110-114 lb-ft @ 4500 rpm
Performance
Engine Layout:
Inline 4-cylinder
Valvetrain:
SOHC (1.6L), DOHC (1.8L) with 4 valves per cylinder
Fuel System
Fuel Delivery:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Ignition System:
Distributorless Ignition System (DIS) or Distributor-based ignition
đ§ Transmission
Standard
Transmission Type Standard:
5-speed Manual
Optional
Transmission Type Optional:
4-speed Automatic
Features
Clutch Type:
Dry, single-plate, hydraulically operated
AWD Availability:
Available on some 1.8L models (GT, LX AWD)
đ Dimensions
Exterior
Body Styles:
3-door Hatchback, 4-door Sedan
Wheelbase:
2500 mm (98.4 in)
Length:
4175-4290 mm (164.4-169.0 in)
Width:
1675-1690 mm (65.9-66.5 in)
Height:
1385-1420 mm (54.5-55.9 in)
Weights
Curb Weight:
990-1150 kg (2180-2535 lbs) depending on trim and drivetrain
đĄïž Safety Features
Ratings
Federal Crash Test Ratings:
Variable based on year and testing agency; generally considered competitive for its era.
Active Features
ABS:
Optional on some models, standard on higher trims (e.g., GT).
Passive Features
Airbags:
Driver's side airbag standard from mid-cycle, passenger airbag optional/later standard.
Seatbelts:
Front 3-point retractable, rear 3-point and lap belts.
đĄ Technology Features
Infotainment
Audio System:
Factory AM/FM cassette stereo, optional CD player on later models.
Speakers:
Typically 4 or 6 speaker systems.
Driver Assistance
Cruise Control:
Optional on most trims.
Connectivity
Bluetooth Handsfree:
Not available from factory; aftermarket installations possible.
đ§ Maintenance
Service Intervals
Oil Change Interval:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first.
Engine Oil Filter Replacement:
With every oil change.
Engine Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed.
Timing Belt:
Replace every 60,000 miles (96,000 km) or 5 years, due to non-interference engine design. (Consult manual for specific engine codes as interference can vary).
Transmission Fluid Change:
Manual: Check periodically, replace if contaminated. Automatic: Every 30,000 miles (48,000 km) or as per manual's severe service schedule.
Fluid Specifications
Engine Oil Type:
API SJ or higher, ILSAC GF-2 or higher, SAE 5W-30 or 10W-30 (check owner's manual for climate variations).
Engine Coolant:
Ethylene glycol-based antifreeze (e.g., Mazda Genuine Super Long Life Coolant or equivalent) mixed 50/50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4.
Transmission Fluid Manual:
API GL-4 SAE 75W-90 or 80W-90 gear oil.
Transmission Fluid Automatic:
Mazda ATF-III or DEXRON III/MERCON compatible.
Known Issues
Engine Idle Instability:
Can be caused by vacuum leaks, dirty throttle body, or faulty Idle Air Control (IAC) valve.
Clutch Wear:
Wear items, replacement recommended based on mileage and driving conditions.
Rear Suspension Bushings:
Can degrade over time, leading to knocking sounds and poor handling.
Rust Ingress:
Wheel arches, rocker panels, and subframes are common areas for rust on older vehicles.
Radiator Leaks:
Can develop leaks due to age and heat cycling.
đ Vehicle History
Brand Heritage
Mazda Philosophy:
Focus on driver engagement ('Zoom-Zoom' predecessor), affordability, and reliability.
Model Evolution
Bg Generation Introduction:
Introduced globally for the 1989 model year, replacing the previous Familia/323 BD generation.
Updates During Production:
Minor styling tweaks, equipment updates, and introduction of the performance-oriented GT model with the BP engine.
Production
Manufacturing Location:
Japan
Lifespan Of Generation:
1989-1994 (North America market for BG generation).