Target Audience:
Professional technicians, mechanics and DIY owners restoring or maintaining early-70s Mazda rotary models
Market Segment:
Compact sport sedans and coupes powered by rotary engines
Key Advantage:
Covers the same information used by professional technicians and mechanics
Versus Paper Manuals:
No wear and tear, searchable, printable pages on demand
Cost Advantage:
Save significantly on service and repair costs
Repair Procedures:
All repair procedures covered from A-Z
Illustrations:
High quality photos, illustrations and diagrams
Usability:
Easy to use; no computer skills required
Vehicles Covered:
Mazda RX2 and RX3, 1971-1977
Coverage Areas:
Diagnostics, repair, maintenance, rebuild, refurbishment and restoration procedures
Manual Type:
Digital workshop repair manual, professional technician level
Delivery Method:
Instant download
Page Count:
N/A - page count not specified for this listing
Windows Compatibility:
Windows 95, 98, 98SE, 2000, NT, ME, XP, Vista and Windows 7
Mac Compatibility:
Works on all Mac computers
Rotary Engine:
Complete 10A and 12A rotary engine coverage including rotor housings, eccentric shaft, seals and apex seals
Fuel and Carburetion:
Carburetor service, fuel system diagnosis and overhaul
Ignition System:
Distributor, spark plugs and ignition timing procedures
Cooling System:
Radiator, water pump, thermostat and hoses
Lubrication System:
Oil pump, metering oil pump and oil cooler service
Transmission and Driveline:
Manual transmission overhaul, clutch and driveshaft
Suspension and Steering:
Front and rear suspension, MacPherson struts, steering linkage and recirculating ball steering
Brakes:
Front disc and rear drum brakes, master cylinder, bleeding and adjustment
Electrical System:
Wiring diagrams, charging system, starting system, lighting and instruments
Heating and Ventilation:
Heater core, blower and control cables
Body and Interior:
Panels, doors, glass, trim, seats and weatherstripping
Diagnostics:
Fault finding and troubleshooting charts for all major systems
Scheduled Maintenance:
Service intervals and routine maintenance procedures
Engine Rebuild:
Complete rotary engine removal, disassembly, inspection and reassembly
Adjustments:
Valve-free rotary timing, idle mixture, choke, clutch pedal and brake adjustments
Torque Specifications:
Fastener torque values throughout all procedures
Wiring Diagrams:
Complete electrical schematics
Level of Detail:
Same information professional technicians and mechanics use
Illustrations:
High quality photos, illustrations and diagrams supporting each procedure
Scope:
All diagnostic and repair procedures covered in great detail
Parts Data:
Exploded views and part identification for disassembly and reassembly
Specifications:
Factory specifications and tolerances for wear limits and clearances
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
Primary Engine:
Mazda 12A two-rotor Wankel rotary, 1.1L (573cc x 2)
Engine Options Range:
10A (1.0L rotary) and 12A (1.1L rotary); some export RX3 models offered the 12A only
Design:
Two-rotor Wankel rotary, peripheral port intake
Power Output (12A):
Approximately 100-120 hp depending on market and year
Redline:
High-revving rotary design, typically 7,000 rpm capable
Fuel Requirement:
Regular leaded gasoline (era-correct)
Type:
Carbureted, single downdraft carburetor
Fuel Delivery:
Mechanical fuel pump
Lubrication:
Metering oil pump injects oil into the intake for rotor lubrication
Standard Transmission:
4-speed manual gearbox
Optional Transmission:
5-speed manual on later models and certain markets; 3-speed automatic available on some RX3 variants
Drive Layout:
Rear-wheel drive
Clutch:
Single dry-plate diaphragm clutch with hydraulic actuation
Differential:
Live rear axle with integral differential
Manual Coverage:
Full overhaul, rebuild and adjustment procedures included in the manual
Wheelbase:
RX2 approximately 96.1 in (2,440 mm); RX3 approximately 95.3 in (2,420 mm)
Length:
RX2 approximately 165 in (4,190 mm); RX3 approximately 157-163 in depending on body style
Body Styles:
Sedan, coupe and wagon (RX3)
Curb Weight:
Approximately 2,200-2,400 lb (1,000-1,100 kg) depending on model and equipment
Crash Test Ratings:
N/A - modern crash test ratings were not conducted for 1970s models
Active Features:
Front disc brakes, dual-circuit master cylinder on later models
Passive Features:
Lap seat belts, padded dashboard, energy-absorbing steering column on later models
Lighting:
Sealed-beam headlamps with hazard warning system
Brake Service:
Complete brake inspection, overhaul and adjustment procedures
Steering and Suspension:
Wear inspection and alignment procedures
Audio System:
AM radio with optional AM/FM; era-correct analog equipment
Instrumentation:
Round analog gauges including tachometer, coolant temperature and fuel gauges
Rotary-Specific Features:
Rotary tachometer with warning buzzer, exhaust noise characteristic of Wankel design
Driver Aids:
N/A - electronic driver assistance systems did not exist on this era
Oil and Filter:
Approximately every 3,000 miles (era-correct interval)
Spark Plugs:
Inspect and replace at regular short intervals; rotary engines consume plugs faster than piston engines
Ignition Timing:
Check at scheduled service intervals
Point Gap and Dwell:
Adjust at tune-up intervals
Engine Oil:
SAE 20W-50 or per period specification; metering oil pump requires designated two-stroke-grade oil
Coolant:
Ethylene glycol antifreeze mix per manual specification
Transmission Oil:
Gear oil per manual specification (typically SAE 80W-90, era-correct)
Known Issues / Common Wear Items
Apex Seals:
Rotary apex seal wear is the classic rotary engine wear item; rebuild procedures covered in detail
Spark Plugs:
Frequent plug fouling due to oil metering; monitor closely
Cooling System:
Rotary engines are sensitive to overheating; maintain cooling system diligently
Carburetor:
Choke and mixture adjustments drift; periodic tuning required
Manufacturer:
Mazda Motor Corporation, Hiroshima, Japan
Rotary Pioneer:
Mazda was the only manufacturer to successfully mass-produce the Wankel rotary engine in this era
RX2:
Introduced 1971 as the Capella-based rotary sedan/coupe with the 12A engine
RX3:
Introduced 1971 as the Savanna, a smaller rotary model offered in sedan, coupe and wagon body styles
Evolution:
Both models evolved through 1977 with emission controls, revised trim and 5-speed options in later years
Assembly:
Hiroshima, Japan
