🏷️ Basic Information Identification Make: Mazda Model: MX-5 Miata Model Generation: NA (First Generation) Model Year: 1990 Codes Chassis Code: NA Engine Code: B6ZE 👋 Introduction Market Position Vehicle Class: Lightweight, rear-wheel-drive sports convertible/roadster. Market Segment: Affordable sports car, competitor to vehicles like the Triumph Spitfire (historically) and later the Fiat Barchetta. Competitive Analysis Key Competitors 1990: Toyota MR2, Nissan 300ZX (though a higher price point), Alfa Romeo Spider, Porsche 944. Key Features Driving Experience: Renowned for its exceptional handling, direct steering feel, lightweight construction, and engaging driving dynamics, often described as a modern interpretation of classic British roadsters. Design Philosophy: Jinba Ittai ('horse and rider as one') - emphasizing the driver's connection to the machine. Rarity And Collectibility Current Status: Highly sought-after by enthusiasts and collectors due to its purity of design and driving pleasure, especially early NA models. 📋 Manual Details Coverage Areas Primary Coverage: Parts Catalog / Illustrated Parts List (IPL) Additional Coverage: Collision Repair Information (Bonus Section) Page Count Estimated Page Count: 300-400 (Estimate based on typical IPLs of this era) Manual Type Type: Parts Catalog (IPL) Language Language: English Format Format: Printed Booklet/Catalog 📖 Manual Coverage Systems Covered Engine Assembly: Detailed breakdown of engine components, including block, head, pistons, crankshaft, camshafts, valve train, cooling system, lubrication system, intake, and exhaust manifolds. Drivetrain Components: Clutch, flywheel, transmission (manual and automatic variants), driveshafts, differential, rear axle assembly, and hubs. Chassis And Suspension: Frame, subframes, suspension arms, springs, shock absorbers, bushings, steering rack, tie rods, sway bars, and related hardware. Braking System: Front and rear brake assemblies (calipers, rotors, pads, lines, master cylinder), parking brake mechanism. Steering System: Steering column, steering wheel, rack and pinion assembly, power steering pump, hoses, and associated linkage. Body Exterior: Body panels (fenders, doors, hood, trunk, bumpers), convertible top mechanism, latches, hinges, seals, emblems, trim pieces, and lighting (headlights, taillights, signals). Body Interior: Dashboard, seats, seat belts, door panels, center console, carpeting, headliner, HVAC controls, and interior trim components. Electrical System: Wiring harnesses, fuse box, relays, battery, starter, alternator, lighting circuits, ignition system components, sensors, and switches. Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, fuel injectors, and fuel pressure regulator. Cooling System: Radiator, fan, hoses, thermostat, water pump, and heater core. Emission Control Systems: Catalytic converter, exhaust manifold, EGR valve, and associated piping. Procedures Included Part Identification: Identification of all original Mazda part numbers for every component, crucial for ordering correct replacements. Assembly Disassembly: Visual exploded views of each system and sub-assembly, illustrating the order and orientation of parts for assembly and disassembly. Collision Repair Guidance: Specific guidance on repairing damage sustained in collisions, likely covering areas like body panel replacement, frame straightening considerations, and component alignment. Component Layout: Clear diagrams showing the location and interconnection of parts within a system. Technical Depth Depth: Highly detailed for parts identification and assembly. Focuses on 'what' and 'where' parts go, rather than 'how to repair' in a step-by-step procedural manner (which would be in a Service Manual). Intended User: Parts departments, technicians, restoration specialists, and knowledgeable owners. 📊 Manual Specifications File Format Format Type: Printed Print Quality Print Quality: Professional offset printing (typical for OEM manuals). Binding Type Binding: Stapled or perfect bound (common for parts catalogs). Paper Type Paper Quality: Durable paper stock, often with a semi-gloss finish to enhance image clarity. ⚙️ Engine Specifications Primary Engine Engine Code: B6ZE (DOHC) Engine Type: Inline 4-cylinder, naturally aspirated Displacement: 1598 cc (1.6 Liters) Bore X Stroke: 78.0 mm x 83.6 mm Compression Ratio: 9.0:1 Performance Horsepower: 113 hp @ 6500 rpm (approx.) Torque: 100 lb-ft @ 5000 rpm (approx.) Fuel System Fuel Delivery: Multi-point Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (87 Octane minimum recommended) Engine Management Ignition System: Distributorless Ignition System (DIS) or Electronic Ignition (depending on market/specific build) 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission Optional Transmission Type: 4-speed Automatic Transmission (available on some markets) Features Manual Gear Ratios Approx: 1st: 3.133, 2nd: 1.800, 3rd: 1.310, 4th: 1.000, 5th: 0.815, Reverse: 2.500 Clutch Type: Hydraulically actuated, dry single-plate 📐 Dimensions Exterior Length: 3955 mm (155.7 in) Width: 1675 mm (65.9 in) Height: 1235 mm (48.6 in) Wheelbase: 2265 mm (89.2 in) Front Track: 1420 mm (55.9 in) Rear Track: 1430 mm (56.3 in) Weights Curb Weight: 960 - 1020 kg (2116 - 2249 lbs), depending on options and market Gross Vehicle Weight Rating: N/A (Typically not specified for this class of vehicle) Cargo Trunk Volume: Approx. 150 liters (5.3 cu ft) Wheels And Tires Standard Wheel Size: 14 x 5.5 inches Optional Wheel Size: 15 x 6.0 inches (on later NA models or optional packages) Standard Tire Size: 185/60R14 Wheel Bolt Pattern: 4x100 mm Wheel Offset: +35 mm (typical) 🛡️ Safety Features Ratings NHTSA Crash Test Ratings: Not extensively tested by modern standards. Early NA models had basic...