Vehicle Segment:
        
        
            Lightweight Sports Car, Roadster
        
     
    
        
            Target Audience:
        
        
            Enthusiasts, DIY Mechanics, Professional Technicians
        
     
    
    
        
            Key Competitors:
        
        
            Lotus Elan, Triumph TR7, Alfa Romeo Spider
        
     
    
    
        
            Design Philosophy:
        
        
            Jinba Ittai (Horse and Rider as One), Driver Focused, Lightweight
        
     
    
        
            Manual Benefit:
        
        
            Empowers owners for efficient repair, maintenance, and troubleshooting.
        
     
    
        
            Manual Value Proposition:
        
        
            Cost-effective access to official factory repair data, saving on professional labor costs.
        
     
 
    
    
    
        
            Engine Service Repair:
        
        
            Complete Engine Overhaul, Component Repair, Timing Systems
        
     
    
        
            Transmission Service Repair:
        
        
            Manual and Automatic Transmission Overhaul, Clutch System
        
     
    
        
            Brake System:
        
        
            Brake System Diagnosis, Repair, ABS (if applicable), Pad/Rotor Replacement
        
     
    
        
            Electrical System:
        
        
            Complete Electrical Schematics, Component Testing, Wiring Harness Repair
        
     
    
        
            Suspension System:
        
        
            Front and Rear Suspension Components, Alignment Procedures, Bushing Replacement
        
     
    
        
            Steering System:
        
        
            Steering Gearbox, Power Steering System, Tie Rods
        
     
    
        
            Cooling System:
        
        
            Radiator, Water Pump, Thermostat, Cooling Fan Operation
        
     
    
        
            Fuel Injection System:
        
        
            Fuel Injectors, Fuel Pump, Fuel Pressure Regulator, ECU Control
        
     
    
        
            Fuel System:
        
        
            Fuel Tank, Fuel Lines, Fuel Filter Replacement
        
     
    
        
            Emission Control System:
        
        
            Catalytic Converter, EGR System, Oxygen Sensors
        
     
    
        
            HVAC System:
        
        
            Heating, Ventilation, and Air Conditioning (HVAC) Service and Repair
        
     
    
        
            Engine Control System:
        
        
            ECU Diagnosis, Sensor Testing, Engine Performance Tuning
        
     
    
        
            Chassis Body:
        
        
            Body Panel Repair, Frame Inspection, Door/Window Mechanisms
        
     
    
        
            Restraint System:
        
        
            Seatbelt Mechanisms, Airbag System (if applicable, though unlikely for 1990)
        
     
    
        
            Interior Trim:
        
        
            Interior Component Removal and Installation, Upholstery
        
     
    
        
            Differential Drive Axle:
        
        
            Rear Differential Service, Axle Shaft Replacement
        
     
    
    
        
            General Maintenance:
        
        
            Routine Checks, Fluid Top-offs, Filter Replacements
        
     
    
        
            Troubleshooting:
        
        
            Systematic Diagnosis of Common Problems and Faults
        
     
    
        
            Periodic Lubrication:
        
        
            Scheduled Lubrication Points and Specifications
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed Electrical Circuit Diagrams for All Systems
        
     
    
        
            Component Replacement:
        
        
            Step-by-step guides for replacing major and minor components
        
     
    
        
            Assembly Disassembly:
        
        
            Detailed instructions for taking apart and reassembling various vehicle systems
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive Factory Level Repair and Diagnostic Information
        
     
    
        
            Diagnostic Procedures:
        
        
            Diagnostic Flowcharts and Troubleshooting Trees
        
     
    
        
            Technical Data:
        
        
            Torque Specifications, Clearances, Tolerances
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 miles or 6 months
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 miles or 12 months
        
     
    
        
            Spark Plug Replacement:
        
        
            Every 30,000 miles
        
     
    
    
        
            Engine Oil Type:
        
        
            API SG/SH, SAE 10W-30 Recommended
        
     
    
        
            Coolant Type:
        
        
            Mazda coolant or equivalent (50/50 mix of ethylene glycol and distilled water)
        
     
    
    
        
            Transmission Fluid Type Manual:
        
        
            API GL-4, SAE 75W-90 Gear Oil
        
     
    
        
            Transmission Fluid Type Automatic:
        
        
            Dexron II or equivalent
        
     
    
        
            Differential Fluid Type:
        
        
            API GL-5, SAE 80W-90 Gear Oil
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch wear, radiator leaks, suspension bushings, window regulators.
        
     
    
        
            Engine Specific Concerns:
        
        
            Oil seal leaks, occasional ignition coil issues.