🏷️ Basic Information Identification Make: Mazda Model: MX-5 Model Generation Nickname: NA generation (First Generation) Model Year: 1990 Codes Chassis Code: NA 👋 Introduction Market Position Segment: Lightweight two-seater convertible sports car Target Audience: Enthusiast drivers, DIY mechanics, restoration specialists Competitive Analysis Key Competitors Era: Lotus Elan, Fiat Spider, MG MGB (though MX-5 predates the demise of MGB but represents a spiritual successor) Key Features Philosophy: Jinba Ittai ('rider and horse are one') driving dynamics, affordable fun, reliable sports car Design: Pininfarina-influenced styling, pop-up headlights, compact and lightweight construction Driving Experience: Nimble handling, direct steering feedback, balanced chassis, rear-wheel drive 📋 Manual Details Coverage Areas Primary Coverage: Full Service, Repair, Maintenance, Rebuild, Refurbish, Restoration Page Count Estimated Page Count: 800+ Manual Type Type: Factory Service Manual / Repair Manual Additional Types: Includes diagnostic procedures, wiring diagrams, exploded views, and component specifications. Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: 1.6L DOHC (B6ZE) engine disassembly, assembly, troubleshooting, component diagnostics Engine Management: Fuel Injection System (EFI), Ignition System, Emissions Control System (EGR, EVAP), Sensor diagnostics Transmission: 5-speed manual transmission (M5) overhaul, clutch system, driveline components Suspension: Front and Rear independent suspension (double wishbone), shock absorbers, springs, bushings, alignment specifications Brakes: Front disc brakes, rear disc brakes (on most models), brake system hydraulics, ABS (if equipped), parking brake Steering: Rack and pinion steering, power steering system (if equipped), steering column, wheel alignment Electrical System: Battery, charging system (alternator, starter), lighting (headlights, taillights, interior), horn, fuses, relays, wiring diagrams Body And Chassis: Body panel removal/installation, interior trim, convertible top system maintenance, frame and structural components HVAC: Heating, ventilation, and air conditioning (HVAC) system diagnostics and repair Procedures Included Maintenance: Routine maintenance checks, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug replacement Repair: Engine rebuild, transmission overhaul, suspension component replacement, brake caliper rebuild, electrical component repair, bodywork repair Troubleshooting: Diagnostic charts, common fault identification, symptom-based troubleshooting guides Diagnostics: Detailed diagnostic steps for all major systems, including fuel trim analysis, ignition timing checks, sensor data interpretation Technical Depth Depth: Comprehensive from basic fluid changes to complete engine and transmission rebuilds, including detailed torque specifications and special tool requirements 📊 Manual Specifications File Format File Type: Digital (PDF) Searchability: Text-searchable for quick information retrieval Print Quality Print Readability: High resolution, suitable for printing specific sections or the entire manual Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: B6ZE Engine Type: Inline-4, naturally aspirated Displacement: 1.6 Liters (1598 cc) Valvetrain: DOHC (Double Overhead Camshaft), 16 valves Bore X Stroke: 78.0 mm x 83.6 mm Compression Ratio: 9.0:1 Performance Horsepower: 113 hp @ 6500 rpm (SAE Net) Torque: 100 lb-ft @ 5000 rpm (SAE Net) Fuel System Induction: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Fuel Pump Pressure: Approx. 38-44 psi 🔧 Transmission Standard Type: 5-speed Manual Transmission (M5) Optional Type: 4-speed Automatic Transmission (optional, less common) Features Manual Gear Ratios: 1st: 3.136, 2nd: 1.842, 3rd: 1.308, 4th: 1.000, 5th: 0.815, Reverse: 3.112 Final Drive Ratio: 4.300:1 Transmission Fluid Type: Mazda GL-5 Gear Oil, API Service Classification GL-5, SAE 75W-90 Transmission Fluid Capacity: Approx. 2.1 US Quarts (2.0 Liters) 📐 Dimensions Exterior Length: 157.3 inches (4000 mm) Width: 66.1 inches (1680 mm) Height: 48.8 inches (1240 mm) with soft top up Wheelbase: 89.2 inches (2265 mm) Ground Clearance: 5.5 inches (140 mm) Weights Curb Weight: 2150 - 2250 lbs (975 - 1020 kg), depending on options Gross Vehicle Weight Rating Gvwr: Approx. 2700 lbs (1225 kg) 🛡️ Safety Features Ratings Crash Test Performance: No specific NHTSA/IIHS ratings for 1990 model year as standards were less stringent; designed with crumple zones and safety cage. Active Features Brakes: Front ventilated discs, rear solid discs (standard on most models); optional Anti-lock Braking System (ABS) available on some trims. Suspension Handling: Low center of gravity, balanced weight distribution contributing to active safety through handling. Passive Features Airbags: Driver's side airbag (optional on early models, became standard later in the generation). Seatbelts: Three-point inertia-reel seatbelts. Rollover Protection: Reinforced A-pillars and B-pillars, integrated roll bar behind seats. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD player. Basic speaker setup. Driver Assistance Cruise Control: Available on higher trim levels. Connectivity Connectivity Features: Minimal; primarily focused on the driving experience rather than digital integration. Auxiliary inputs for aftermarket audio devices may exist. 🔧 Maintenance Service Intervals Engine Oil Change: Every 5,000 miles or 6 months, whichever comes first. Oil Filter Replacement: At every oil change. Air Filter Replacement: Every 15,000 miles or 12 months. Spark Plug Replacement: Every 30,000 miles (NGK BP5EYA or equivalent recommended). Coolant Flush: Every 30,000 miles or 24 months. Brake Fluid Flush: Every 24 months or 30,000 miles. Fluid Specifications...