The Mazda Miata, specifically the NA generation produced from 1991 to 1993, represents an affordable lightweight sports car celebrated for its exceptional handling, reliability, and the pure joy of open-top driving. Inspired by classic British roadsters, this iconic vehicle embodies Mazda's "Jinba Ittai" philosophy, offering a unique connection between driver and machine. Its compact dimensions, efficient 1.6-liter DOHC engine producing approximately 116 horsepower, and emphasis on a balanced chassis contribute to its enduring appeal and numerous accolades, including multiple appearances on Car and Driver's 10Best list. This comprehensive workshop service repair manual is designed to assist both DIY enthusiasts and professional mechanics in maintaining and repairing the Mazda Miata (NA). It covers a wide array of systems, including the engine mechanical and electrical systems, fuel and emission control, clutch, manual and automatic transmissions, driveshaft, axle, suspension, steering, and brake systems. Additionally, the manual details body interior and exterior components, the body electrical system, and the restraint system. Within its pages, you will find detailed technical specifications, step-by-step repair procedures, diagnostic information, troubleshooting guides, and explanations for special tools, all supported by clear illustrations and diagrams to ensure accurate and efficient service. 🏷️ Basic Information Identification Make: Mazda Model: Miata Generation: NA (First Generation) Chassis Code: NA Codes Production Years Covered: 1991, 1992, 1993 👋 Introduction Market Position Segment: Affordable Lightweight Sports Car Key Selling Points: Handling, Reliability, Open-top driving experience, Low running costs Competitive Analysis Competitors 1991-1993: Lotus Elan, MG Midget (older models), Fiat X1/9 (older models) Key Features Manual Value Proposition: Cost-effective alternative to dealership service, empowers owners for maintenance and repairs. Manual Usability: Clear, step-by-step instructions, detailed diagrams and illustrations enhance ease of use for all skill levels. 📋 Manual Details Coverage Areas General Information: Included Engine Mechanical System: Included Engine Electrical System: Included Emission Control System: Included Fuel System: Included Suspension System: Included Clutch System: Included Manual Transaxle System: Included Automatic Transaxle System: Included Driveshaft And Axle: Included Steering System: Included Brake System: Included Body Interior And Exterior: Included Body Electrical System: Included Restraint System: Included Page Count Estimated Page Count: N/A (Digital Format) Manual Type Type: Workshop Service Repair Manual Purpose: Repair and Maintenance Target Audience: DIY Enthusiasts and Professional Mechanics Language Language: English Format File Format: PDF Delivery Method: Instant Download Compatibility: Windows & Mac (All Versions) Software Requirements: Adobe PDF Reader, WinZip 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical, Engine Electrical, Fuel System, Emission Control, Clutch, Manual Transaxle, Automatic Transaxle, Driveshaft, Axle Chassis: Suspension System, Steering System, Brake System Body And Interior: Body Interior, Body Exterior, Body Electrical System, Restraint System Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements Diagnostics: Troubleshooting, Electrical System Diagnostics Repair: Component Repair, System Overhaul, Step-by-Step Repair Procedures Technical Adjustments: Alignment, Brake Adjustment, Engine Tuning Technical Depth Depth: Comprehensive (from basic maintenance to complete rebuilds) Illustrations: Detailed Illustrations, Diagrams, Photos Wiring Schematics: Included Specifications: Detailed Technical Specifications Special Tools: Likely mentions required special tools for specific procedures 📊 Manual Specifications File Format Quality: High-resolution (implied by printability and detail) Print Quality Printability: Fully Printable Zoom Functionality: Yes Binding Type Type: N/A (Digital Download - printable pages) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: B6 (1.6L DOHC) Displacement: 1597 cc (1.6 Liters) Performance Horsepower 1991-1993: 116 hp @ 6500 rpm (approx.) Torque 1991-1993: 100 lb-ft @ 5000 rpm (approx.) Fuel System Type: Multi-port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Ignition System Type: Distributor-based Ignition System 🔧 Transmission Standard Type: 5-Speed Manual Transmission Optional Type: 4-Speed Automatic Transmission Features Manual Gear Ratios: Specific gear ratios will be detailed within the manual. Automatic Shift Points: Covered in the automatic transaxle section. 📐 Dimensions Exterior Length: Approx. 155.7 inches Width: Approx. 65.7 inches Height: Approx. 48.4 inches (with soft top up) Wheelbase: Approx. 89.2 inches Weights Curb Weight Manual: Approx. 2149 lbs Curb Weight Automatic: Approx. 2182 lbs 🛡️ Safety Features Ratings NHTSA Driver Side Impact: Refer to specific government testing records for definitive ratings (likely not rated as thoroughly as modern vehicles). Active Features Brakes: Front ventilated discs, rear solid discs (standard); Optional ABS Steering: Power-assisted rack and pinion (optional on early models, standard on later ones). Passive Features Airbags: Driver-side airbag (standard from 1990 onwards) Seatbelts: Three-point seatbelts 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette player, optional CD player. Basic functionality. Driver Assistance ABS: Optional on some models. Connectivity Features: None (pre-internet era). 🔧 Maintenance Service Intervals Oil Change: Every 5,000-7,500 miles or 6-12 months (refer to manual for specifics). Timing Belt: Every 60,000 miles (critical maintenance item for interference engine). Fluid Specifications Engine Oil Type: API SG or SH, SAE 5W-30 or 10W-30 (consult manual for exact seasonal recommendations). Coolant Type: Ethylene glycol-based antifreeze, 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4 Transmission...