Target Audience:
Enthusiasts, restorers, mechanics, and owners of the 1991-1992 Mazda MX-5 Miata (NA generation) undertaking parts sourcing and identification.
Segment Definition:
The Mazda MX-5 Miata defined the affordable, lightweight, rear-wheel-drive roadster segment for the modern era.
Value Proposition:
Provides essential OEM part number information and visual references for a classic and highly sought-after sports car, crucial for maintaining originality and sourcing correct replacements in a market where parts can be scarce.
Rarity Factor:
Specified as 'RARE', indicating its value to collectors and owners due to the age and specific model years covered.
Content Highlight:
Detailed exploded views are a primary selling point for parts catalogs, offering visual clarity beyond simple lists.
Manual Sections Covered:
Chassis, Body, Engine, Collision Guide (Bonus)
Estimated Page Count:
Varies by specific edition, typically 500+ pages for comprehensive parts catalogs.
Type:
Illustrated Parts Catalog (IPL) / Parts Manual
Additional Manual Type:
Parts Identification Manual
Format:
Printed Manual (as implied by 'Parts Catalog')
Chassis Systems:
Suspension (front and rear), steering, brakes (front and rear, including ABS if equipped), wheels, tires, frame, subframes, exhaust system.
Body Systems:
Exterior panels (hood, fenders, doors, trunk lid), bumpers, lights (headlights, taillights, indicators), glass, mirrors, convertible top mechanism, interior trim panels, seats, dashboard, steering wheel, pedal assembly.
Engine Systems:
Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, valvetrain, intake manifold, exhaust manifold, cooling system (radiator, hoses, water pump), lubrication system (oil pump, oil filter, oil pan), fuel system (injectors, fuel rail, fuel pump, lines), ignition system (coils, spark plugs), emission control systems.
Collision Guide Coverage:
Body repair procedures, panel replacement guidelines, structural repair data, alignment specifications, material specifications (steel types, aluminum), potentially airbag system component identification and handling precautions.
Electrical Systems Components:
While primarily mechanical, parts catalogs often include identification for major electrical components like the alternator, starter, ignition coils, and ECU, showing their relationship to mounting points.
Interior Components:
Comprehensive coverage of all interior trim pieces, dashboard components, HVAC controls, seat rails, seat belts, and interior lighting.
Identification Of Parts:
Detailed exploded views with part numbers for every component within the covered sections.
Component Assembly Disassembly:
Illustrations clearly depict how components are assembled and disassembled, crucial for correct part ordering and replacement.
Part Number Reference:
Essential for ordering the correct replacement parts from Mazda dealerships or aftermarket suppliers.
Part Number Lookup:
Systematic lookup of original equipment manufacturer (OEM) part numbers for virtually every component.
Depth Of Coverage:
Comprehensive for parts identification and selection. Focuses on what parts are used and their relationships, not detailed repair procedures (which would be in a separate service manual).
Practical Application:
Highly practical for identifying and sourcing replacement parts for restoration, repair, or modification projects.
Visual Reference:
Provides detailed visual references essential for identifying specific revisions or variations of parts used across production years or within the same model year.
Engine Code Na:
B6 1.6L DOHC
Compression Ratio Na:
9.5:1
Horsepower Na:
115 hp @ 6500 rpm (US-spec)
Torque Na:
100 lb-ft @ 4500 rpm (US-spec)
Engine Code North America Later 1992:
BP-ZE 1.8L DOHC
Displacement North America Later 1992:
1839 cc
Horsepower North America Later 1992:
128 hp @ 6500 rpm (US-spec)
Torque North America Later 1992:
110 lb-ft @ 4500 rpm (US-spec)
Engine Type:
Naturally Aspirated Inline 4-Cylinder
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (87 octane recommended)
Oil Change Interval:
Every 5,000 miles or 6 months (typical for the era; consult original service manual for precise Mazda recommendation).
Timing Belt Replacement:
Every 60,000 miles or 5 years (critical for B6 and BP-ZE engines).
Engine Oil Type:
API SG or SH rated, SAE 5W-30 or 10W-30 recommended (consult manual for precise viscosity).
Coolant Type:
Mazda Long Life Coolant or equivalent (typically a green ethylene glycol-based coolant).
Transmission Fluid Manual:
API GL-4, SAE 75W-90 gear oil.
Transmission Fluid Automatic:
Mazda ATF D3 or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4.
Common Na Issues:
Radiator leaks, alternator failures, clutch wear, rust (especially in sills, wheel arches, and rocker panels), camshaft oil seal leaks, power steering pump leaks (if equipped), differential pinion seal leaks.
Timing Belt Tensioner:
Potential for wear or failure, necessitating timely replacement.
Mazda Sports Car Legacy:
Carries on the lineage of lightweight, driver-focused sports cars, inspired by British roadsters of the 1960s.
Na Generation Launch:
Introduced in 1989 (as a 1990 model year vehicle in North America), the NA Miata revitalized the affordable sports car segment.
Year Specific Changes 1991:
Minor interior refinements, potential wheel design updates. Engine remained the 1.6L B6.
Year Specific Changes 1992:
Introduction of the 1.8L BP-ZE engine as an option in North America, offering more power. Cosmetic updates might include revised wheel options and interior trim.
Manufacturing Location:
Hiroshima, Japan
Production Span Na Generation:
1989-1997
