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.
    
    
    
    
    
    
        
            Generation:
        
        
            NA (First Generation)
        
     
    
    
    
        
            Production Years Covered:
        
        
            1991, 1992, 1993
        
     
 
    
    
    
        
            Segment:
        
        
            Affordable Lightweight Sports Car
        
     
    
        
            Key Selling Points:
        
        
            Handling, Reliability, Open-top driving experience, Low running costs
        
     
    
    
        
            Competitors 1991-1993:
        
        
            Lotus Elan, MG Midget (older models), Fiat X1/9 (older models)
        
     
    
    
        
            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.
        
     
 
    
    
    
        
            General Information:
        
        
            Included
        
     
    
        
            Engine Mechanical System:
        
        
            Included
        
     
    
        
            Engine Electrical System:
        
        
            Included
        
     
    
        
            Emission Control System:
        
        
            Included
        
     
    
    
        
            Suspension System:
        
        
            Included
        
     
    
    
        
            Manual Transaxle System:
        
        
            Included
        
     
    
        
            Automatic Transaxle System:
        
        
            Included
        
     
    
        
            Driveshaft And Axle:
        
        
            Included
        
     
    
        
            Steering System:
        
        
            Included
        
     
    
    
        
            Body Interior And Exterior:
        
        
            Included
        
     
    
        
            Body Electrical System:
        
        
            Included
        
     
    
        
            Restraint System:
        
        
            Included
        
     
    
    
        
            Estimated Page Count:
        
        
            N/A (Digital Format)
        
     
    
    
        
            Type:
        
        
            Workshop Service Repair Manual
        
     
    
        
            Purpose:
        
        
            Repair and Maintenance
        
     
    
        
            Target Audience:
        
        
            DIY Enthusiasts and Professional Mechanics
        
     
    
    
    
    
    
        
            Delivery Method:
        
        
            Instant Download
        
     
    
        
            Compatibility:
        
        
            Windows & Mac (All Versions)
        
     
    
        
            Software Requirements:
        
        
            Adobe PDF Reader, WinZip
        
     
 
    
    
    
        
            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
        
     
    
    
        
            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
        
     
    
    
        
            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
        
     
 
    
    
    
        
            Quality:
        
        
            High-resolution (implied by printability and detail)
        
     
    
    
        
            Printability:
        
        
            Fully Printable
        
     
    
    
    
        
            Type:
        
        
            N/A (Digital Download - printable pages)
        
     
    
    
        
            Type:
        
        
            N/A (Digital Download)
        
     
 
    
    
    
        
            Engine Code:
        
        
            B6 (1.6L DOHC)
        
     
    
        
            Displacement:
        
        
            1597 cc (1.6 Liters)
        
     
    
    
        
            Horsepower 1991-1993:
        
        
            116 hp @ 6500 rpm (approx.)
        
     
    
        
            Torque 1991-1993:
        
        
            100 lb-ft @ 5000 rpm (approx.)
        
     
    
    
        
            Type:
        
        
            Multi-port Fuel Injection (MPI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline (87 Octane Recommended)
        
     
    
    
        
            Type:
        
        
            Distributor-based Ignition System
        
     
 
    
    
    
        
            Type:
        
        
            5-Speed Manual Transmission
        
     
    
    
        
            Type:
        
        
            4-Speed Automatic Transmission
        
     
    
    
        
            Manual Gear Ratios:
        
        
            Specific gear ratios will be detailed within the manual.
        
     
    
        
            Automatic Shift Points:
        
        
            Covered in the automatic transaxle section.
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 155.7 inches
        
     
    
        
            Width:
        
        
            Approx. 65.7 inches
        
     
    
        
            Height:
        
        
            Approx. 48.4 inches (with soft top up)
        
     
    
        
            Wheelbase:
        
        
            Approx. 89.2 inches
        
     
    
    
        
            Curb Weight Manual:
        
        
            Approx. 2149 lbs
        
     
    
        
            Curb Weight Automatic:
        
        
            Approx. 2182 lbs
        
     
 
    
    
    
        
            NHTSA Driver Side Impact:
        
        
            Refer to specific government testing records for definitive ratings (likely not rated as thoroughly as modern vehicles).
        
     
    
    
        
            Brakes:
        
        
            Front ventilated discs, rear solid discs (standard); Optional ABS
        
     
    
        
            Steering:
        
        
            Power-assisted rack and pinion (optional on early models, standard on later ones).
        
     
    
    
        
            Airbags:
        
        
            Driver-side airbag (standard from 1990 onwards)
        
     
    
        
            Seatbelts:
        
        
            Three-point seatbelts
        
     
 
    
    
    
        
            Audio System:
        
        
            Factory AM/FM/Cassette player, optional CD player.  Basic functionality.
        
     
    
    
        
            ABS:
        
        
            Optional on some models.
        
     
    
    
        
            Features:
        
        
            None (pre-internet era).
        
     
 
    
    
    
        
            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).
        
     
    
    
        
            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 Fluid Manual:
        
        
            GL-4 75W-90 Gear Oil (e.g., Red Line MTL, Castrol Syntrans).
        
     
    
        
            Transmission Fluid Automatic:
        
        
            Dexron III/Mercon (or equivalent)
        
     
    
    
        
            Rust:
        
        
            Common on wheel arches, rocker panels, and sills, especially in humid climates.
        
     
    
        
            Oil Leaks:
        
        
            Valve cover gasket, rear main seal, oil pan gasket.
        
     
    
        
            Cooling System:
        
        
            Radiator leaks, hose degradation, thermostat sticking.
        
     
    
        
            Window Regulators:
        
        
            Can become stiff or break with age.
        
     
 
    
    
    
        
            Mazda Philosophy:
        
        
            Jinba Ittai (Horse and Rider as One)
        
     
    
    
        
            Introduction Year:
        
        
            1989 (as a 1990 model year)
        
     
    
        
            Design Inspiration:
        
        
            Classic British roadsters like the Lotus Elan and MG B.
        
     
    
    
        
            Manufacturing Location:
        
        
            Hiroshima, Japan
        
     
    
        
            Production Volume Na Generation:
        
        
            Over 400,000 units worldwide.
        
     
 
    
    
    
        
            Car And Driver 10Best:
        
        
            Car and Driver's 10Best list multiple times during its production run.
        
     
    
        
            Motortrend Car Of The Year:
        
        
            Was a contender for MotorTrend Car of the Year.
        
     
    
    
        
            Safety Certifications:
        
        
            Refer to specific model year government certifications.