🏷️ Basic Information Identification Make: Mazda Model: 323 Protege Model Code: BG Year: 1990 Codes Chassis Code: BG 👋 Introduction Market Position Segment: Compact car / economy car Target Audience: DIY mechanics, independent repair shops, enthusiasts Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Ford Escort, Nissan Sentra Key Features Vehicle Design Philosophy: Focus on reliable, practical, and affordable transportation Key Features Manual Value Proposition: Provides the critical information needed to maintain and repair the vehicle to factory standards, saving significant costs. Ease Of Use: Organized logically, with clear language and detailed illustrations. 📋 Manual Details Coverage Areas Primary Coverage: Repair and maintenance of Mazda 323 Protege BG (1990) Engine Coverage: All engine types offered in 1990 BG models Transmission Coverage: Manual and Automatic transmissions Body Coverage: Exterior and interior bodywork, panels, trim Electrical Coverage: Wiring diagrams, component testing, diagnostics Chassis Coverage: Suspension, steering, brakes, exhaust Special Tools: Details on required special tools and equipment Page Count Total Pages: Estimate of 1000+ pages based on typical factory manuals Manual Type Type: Factory Service Manual (FSM) Purpose: Comprehensive repair, maintenance, and diagnostics Language Language: English Format Format: Digital (PDF) Searchability: Searchable text content Printability: Printable pages 📖 Manual Coverage Systems Covered Engine Mechanical: Engine teardown, assembly, specifications, torque values, cylinder head, block, pistons, crankshaft Engine Performance: Fuel injection, ignition system, emissions control, cooling system Transmission Manual: Clutch operation, transmission removal/installation, gear ratios, internal components Transmission Automatic: Automatic transmission operation, hydraulic control, torque converter, service procedures Drivetrain: Front-wheel drive system, CV joints, axles, differential Suspension: Front and rear suspension components, alignment specifications, shock absorbers, springs Steering: Power steering system, steering gear, tie rods, steering column Brakes: Hydraulic system, brake pads/shoes, rotors/drums, ABS (if equipped), parking brake Electrical System: Battery, charging system, starting system, lighting, fuses, relays Body And Trim: Door mechanisms, glass, interior trim, exterior trim, bumpers HVAC: Heating, ventilation, and air conditioning system Restraint Systems: Seat belts, airbags (if equipped) Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement Scheduled Maintenance: Detailed maintenance schedules and service intervals Diagnostics Troubleshooting: Systematic troubleshooting guides for common problems, diagnostic trouble codes (DTCs) Component Removal Installation: Step-by-step instructions for removing and installing major components Engine Rebuild: Detailed procedures for engine overhauls and internal repairs Brake Service: Brake pad replacement, rotor resurfacing/replacement, caliper service Suspension Alignment: Alignment procedures and specifications Electrical Component Testing: Testing procedures for sensors, actuators, and electrical modules Wiring Diagrams: Comprehensive vehicle wiring schematics Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission overhauls Detail Level: Factory-level detail with specific torque specifications, clearances, and tolerances Diagnostic Level: Advanced diagnostic procedures and symptom-based troubleshooting 📊 Manual Specifications File Format Digital Format: PDF Print Quality Image Resolution: High-resolution for clear diagrams and text Diagram Clarity: Clear and legible diagrams, illustrations, and charts Binding Type Binding: N/A (Digital format) Paper Type Paper: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type 1: 1.6L SOHC Inline-4 (BP-ZE) Displacement 1: 1597 cc Bore X Stroke 1: 78.0 mm x 83.6 mm Compression Ratio 1: 9.4:1 Horsepower 1: 98 hp @ 6000 rpm (approx.) Torque 1: 93 lb-ft @ 4000 rpm (approx.) Optional Engine Engine Type 2: 1.8L DOHC Inline-4 (BP-ZE) Displacement 2: 1839 cc Bore X Stroke 2: 83.0 mm x 85.0 mm Compression Ratio 2: 9.0:1 Horsepower 2: 125 hp @ 6000 rpm (approx.) Torque 2: 119 lb-ft @ 4500 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline (87 octane recommended) Engine Management ECU: Engine Control Unit (ECU) with diagnostic capabilities 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Transmission Optional Transmission Type Optional: 4-speed Automatic Transmission Features Clutch Type: Hydraulically actuated dry single plate clutch Fluid Specs Manual Transmission Fluid: API GL-4, SAE 75W-90 Automatic Transmission Fluid: Mazda ATF-Type T-II or equivalent 📐 Dimensions Exterior Length: Approx. 4300 mm (169.3 in) Width: Approx. 1690 mm (66.5 in) Height: Approx. 1375 mm (54.1 in) Wheelbase: Approx. 2565 mm (101.0 in) Track Width Front: Approx. 1455 mm (57.3 in) Track Width Rear: Approx. 1435 mm (56.5 in) Weights Curb Weight: Approx. 1050-1150 kg (2315-2535 lbs), varies by trim and engine Gross Vehicle Weight: Varies by model configuration Towing Capacity: Not specified for this model segment 🛡️ Safety Features Ratings NHTSA Rating 1990: Not readily available for this model year, generally comparable to segment standards of the era. Active Features Braking System: Front disc brakes, rear drum brakes (ABS optional on some higher trims) Steering System: Power-assisted rack and pinion steering Passive Features Airbags: Driver-side airbag standard on many models, passenger airbag optional/unavailable Seat Belts: Three-point front seat belts, two-point rear seat belts (three-point rear optional/available on some) Chassis Design: Unibody construction with crumple zones 💡 Technology Features Infotainment Audio System: Factory AM/FM radio with cassette player, optional CD player on higher trims. Speaker...