Vehicle Segment:
Compact sports car / Roadster.
Target Audience:
Enthusiasts, DIY mechanics, owners seeking detailed repair and maintenance information.
Competitors Era:
Lotus Elan, Triumph Spitfire (historically), later competitors include Porsche Boxster, BMW Z3.
Design Philosophy:
Lightweight, rear-wheel drive, balanced chassis, driver-focused cockpit, 'Jinba Ittai' (horse and rider as one) driving experience.
Manual Value Proposition:
Provides complete technical data for all repairs, simplifying service and maintenance with clear instructions and diagrams, making it essential for DIY servicing and overhauls.
Engine:
Complete engine repair, overhaul, troubleshooting, tune-up procedures, emissions control systems, cooling system, lubrication system, fuel system (including injection), ignition system, engine mechanical (including cylinder head, block, crankshaft, pistons, camshafts).
Transmission:
Manual transmission (including clutch, gearbox, driveshafts) and automatic transmission (including torque converter, planetary gears, hydraulic controls, valve body) repair and overhaul.
Drivetrain:
Differential, rear axle, hub bearings, CV joints, and related components.
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, ball joints, bushings, alignment specifications.
Steering:
Steering system components, power steering pump, rack and pinion, steering column, tie rod ends.
Brakes:
Brake system components (front and rear discs, calipers, pads, rotors, master cylinder, brake lines), parking brake system, ABS (if equipped).
Electrical:
Complete automotive electrical system, battery, charging system (alternator), starting system (starter motor), lighting, instrumentation, wiring diagrams, fuses, relays, ECUs, sensors, power windows, door locks, mirrors.
Body:
Body panels, doors, hood, trunk, bumpers, convertible top mechanisms, interior trim, glass replacement, chassis repair, rust prevention and repair.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system components, refrigerant, blower motor, evaporator, condenser, controls.
Fuel System:
Fuel pump, fuel injectors, fuel pressure regulator, fuel tank, lines, filters.
Cooling System:
Radiator, thermostat, water pump, hoses, coolant, fan.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, belt inspection and replacement, spark plug replacement, brake pad replacement, tire rotation.
Troubleshooting:
Diagnostic procedures for common problems, fault codes (if applicable), symptom-based diagnostics.
Repair:
Detailed step-by-step repair instructions for all major and minor mechanical and electrical components.
Overhaul:
Complete engine and transmission overhaul procedures.
Adjustments:
Precise adjustment procedures for systems like ignition timing, clutch, throttle, and suspension geometry.
Disassembly Reassembly:
Detailed guidance for taking apart and putting back together vehicle components.
Electrical Diagnostics:
Wiring diagrams, component testing, voltage and resistance measurements.
Depth:
Comprehensive - covers from basic maintenance to full engine and transmission rebuilds, including electrical diagnostics and bodywork.
Information Type:
Step-by-step instructions, illustrations, diagrams, specifications, pictures, procedures.
Oil Change Interval:
Typically every 3,000-5,000 miles or 6 months, refer to specific manual for exact recommendation.
Air Filter Replacement:
Check every 15,000 miles, replace as needed or every 30,000 miles.
Spark Plug Replacement:
Typically every 30,000-60,000 miles, depending on plug type.
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Engine Oil Type:
Refer to manual. Typically 5W-30 or 10W-30 for gasoline engines.
Coolant Type:
Ethylene Glycol based antifreeze/coolant (typically a 50/50 mix with distilled water).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Rust Susceptibility:
Common areas include wheel arches, sills, rocker panels, and rear quarter panels. Thorough inspection and preventative treatment are recommended.
Oil Leaks:
Can occur from valve cover gasket, oil pan gasket, and rear main seal. Crankshaft seal leaks are particularly common on higher mileage examples.
Cooling System:
Radiator leaks, hose deterioration, and thermostat failures can occur. Overheating is a common symptom.
Electrical Gremlins:
Aging wiring and connectors can lead to intermittent issues with lights, power windows, and other electrical components. Loose grounds are frequent culprits.
Convertible Top:
Seals can degrade, leading to leaks. Mechanisms can become stiff or broken. The manual will detail lubrication and adjustment procedures.
Mazda Philosophy:
Known for lightweight, driver-engaging vehicles with a focus on reliability and affordability in their sports car offerings.
First Generation Na:
Launched in 1989 (as a 1990 model year vehicle), it revitalized the small, affordable roadster market. Characterized by its simple, reliable mechanicals and excellent handling.
Mid-Generation Updates:
Significant update in 1994 (NB generation introduction was 1998, but this manual covers the tail end of NA). Key NA updates included the introduction of the larger 1.8L BP engine in 1994, and minor styling tweaks and feature upgrades throughout its run.
Production Period:
1989-1997 for NA generation (covered in this manual's scope).
Manufacturing Plant:
Mazda's Hofu Plant, Yamaguchi Prefecture, Japan.
