Welcome to the comprehensive service and repair manual for the Mazda Miata, specifically covering the NA (First Generation) models from 1991 to 1993. This iconic two-seater sports car, celebrated for its lightweight design, rear-wheel-drive configuration, and the "Jinba Ittai" philosophy of driver-machine unity, offers a pure and engaging driving experience. Manufactured in Hiroshima, Japan, the Miata is renowned for its exceptional engineering quality and reliability, making it a beloved choice for automotive enthusiasts seeking an affordable roadster that harks back to classic British sports car charm while delivering Japanese precision. This manual provides extensive coverage designed to assist owners, mechanics, and technicians in maintaining and repairing these vehicles. It delves into all major systems, including the powertrain, drivetrain, chassis, electrical components, and bodywork. Detailed procedures for preventative maintenance, diagnostic troubleshooting, component repair and overhaul, and necessary adjustments are clearly outlined. Technical specifications, fluid requirements, and information on known common issues are also included, ensuring that users have the knowledge needed to keep their Mazda Miata in optimal condition, preserving its legendary driving dynamics for years to come. 🏷️ Basic Information Identification Make: Mazda Model: Miata Generation Designation: NA (First Generation) Chassis Code: NA Codes Engine Code Primary: B6ZE 👋 Introduction Market Position Market Segment: Affordable two-seater sports car, lightweight roadster Competitive Analysis Key Competitors: Lotus Elan, Triumph Spitfire (historical context), later models like the Alfa Romeo Spider Key Features Design Philosophy: Jinba Ittai (Horse and Rider as One) - driver-centric, lightweight, rear-wheel drive, pure driving experience Target Audience: Enthusiasts seeking an engaging driving experience, those who appreciate classic British roadster styling with Japanese reliability 📋 Manual Details Coverage Areas Years Covered: 1991, 1992, 1993 Model Variants Covered: All trim levels and configurations Page Count Estimated Pages: Thousands (for a comprehensive service manual set) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Downloadable Digital Format (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, engine cooling system Drivetrain: Manual transmission, clutch system, driveshafts, differential, axles Chassis: Suspension (front and rear), steering system, braking system (hydraulic, disc brakes front/rear) Electrical: Wiring diagrams, charging system (alternator, battery), starting system, lighting, instruments, gauges, power accessories Body And Interior: Body panel removal/installation, interior trim, seats, convertible top mechanism Procedures Included Preventative Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement Diagnostic Procedures: Troubleshooting guides for common issues, fault code identification (where applicable), diagnostic testing of electrical circuits Repair And Rebuild: Engine overhaul, transmission rebuild, brake caliper overhaul, suspension component replacement, steering rack repair Adjustment And Calibration: Idle speed adjustment, clutch adjustment, brake bleeding, wheel alignment specifications Technical Depth Depth: Comprehensive: Covers routine maintenance, diagnostics, component-level repair, and major overhauls. Suitable for DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely text-searchable PDF, allowing for quick information retrieval Print Quality Printability: Designed for clear printing of diagrams, schematics, and text Binding Type Binding: N/A (Digital download) Paper Type Paper Type: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, DOHC, 16-valve Engine Displacement: 1.6 Liters (1597 cc) Engine Code: B6ZE Fuel Delivery: Multi-point Fuel Injection (MPI) Performance Horsepower 1991-1992: 116 hp @ 6500 rpm Horsepower 1993: 110 hp @ 6500 rpm (slight revision due to emissions) Torque 1991-1992: 100 lb-ft @ 5500 rpm Torque 1993: 99 lb-ft @ 5500 rpm Fuel System Fuel Type: Unleaded Gasoline (87 Octane minimum recommended) Fuel Tank Capacity: 11.3 US gallons (42.8 Liters) 🔧 Transmission Standard Type: 5-speed Manual Transmission Optional Type: 4-speed Automatic Transmission (less common, not typically preferred by enthusiasts) Features Clutch Type: Hydraulically operated, dry single-plate Final Drive Ratio Manual: 4.10:1 (typical) Transmission Fluid Type: API GL-4 SAE 75W-90 Gear Oil (refer to manual for specific Mazda specification) 📐 Dimensions Exterior Length: 155.7 inches (3955 mm) Width: 66.1 inches (1680 mm) Height: 49.4 inches (1255 mm) Wheelbase: 89.2 inches (2265 mm) Ground Clearance: 5.1 inches (130 mm) Interior Seating Capacity: 2 Cargo Trunk Volume: 4.4 cubic feet (124 liters) Weights Curb Weight: 2250 - 2350 lbs (1020 - 1065 kg) depending on options Gross Vehicle Weight Rating Gvwr: Approx. 2990 lbs (1356 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating: Not rated by NHTSA for rollover due to convertible design and lack of roll bar in early models Active Features Braking System: Four-wheel disc brakes (ventilated front, solid rear) ABS: Optional Anti-lock Braking System (ABS) on some models Passive Features Airbags: Driver-side airbag standard from 1992 onwards; not present on 1991 models Rollover Protection: Early models often featured an aftermarket roll bar; factory roll bar became more integrated later in the generation. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, typically 4 speakers Display: Basic analog gauges for speedometer, tachometer, fuel, and temperature. 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