Engine Family:
B-series (B6-DOHC, BP-DOHC)
Engine Codes Covered:
B6-DOHC, BP-DOHC
Model Variants:
323, Protege, MX-3, MX-5/Miata, Familia, Laser, Tracer, Escort, Sephia, Rio, Shuma
Production Years Covered:
N/A - not specified for this manual edition
Market:
Global (English-language publication)
Target Audience:
Professional mechanics and DIY owners
Application:
Service, repair, and maintenance of B6/BP engines and associated vehicles
Coverage Focus:
B6-DOHC and BP-DOHC engine families
Advantage:
Consolidated coverage of multiple Mazda and partner platforms using one engine family
Technical Approach:
Factory-style procedures, diagnostics, and specifications
Engine Mechanical:
Cylinder head, block, pistons, bearings, timing belt and valvetrain for B6-DOHC and BP-DOHC
Lubrication System:
Oil pump, filter, circuit inspection and service
Cooling System:
Water pump, thermostat, radiator, hoses and cooling circuit service
Fuel System:
Fuel pump, injectors, fuel pressure and delivery checks
Ignition System:
Distributor or ignition coil, spark plugs, wires and timing
Emission Controls:
PCV, EGR where fitted, evaporative system components
Diagnostic Procedures:
Fault isolation for no-start, misfire, overheating, oil consumption and performance issues
Adjustments:
Valve clearance, ignition timing, idle speed and belt tension
Rebuild Procedures:
Engine disassembly, inspection, measurement and reassembly with torque sequences
Specifications:
Clearances, tolerances, torque values and wear limits
Mazda Models:
323, Protege, MX-3, MX-5/Miata, Familia
Partner Models:
Laser, Tracer, Escort, Sephia, Rio, Shuma
Drivetrains:
Front-wheel drive and rear-wheel drive applications as fitted
Transmissions:
Manual and automatic transaxle service references where applicable
Component Identification:
Diagrams and exploded views of major engine assemblies
Service Parts:
Gaskets, seals, belts, pumps and wear items
Part Numbers:
Where referenced in factory procedures
Detail Level:
Component-level teardown and rebuild
Measurement:
Specified clearances and service limits
Safety:
Torque sequences and handling precautions
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Oil and Filter:
Replace at scheduled intervals; severe service requires shorter intervals
Timing Belt:
Replace at manufacturer-specified mileage interval
Spark Plugs:
Replace at scheduled tune-up intervals
Coolant:
Service per manufacturer schedule
Engine Oil:
N/A - refer to underhood label for viscosity and rating
Coolant:
Ethylene glycol based, mixture per manufacturer
Common Wear Items:
Timing belt, water pump, oil seals, ignition components
Inspection Points:
Oil leaks, cooling system condition, belt wear, valve clearance
