Model Variant:
Mazda Rotary Pickup (REPU), also marketed as the Mazda B-Series rotary variant
Production Years Covered:
1976 onwards (manual covers the 1976 model year and later production of this generation)
Body Style:
Two-door compact pickup truck with a conventional cab
Drive Configuration:
Front-engine, rear-wheel drive
Engine Family:
Mazda rotary (Wankel) engine, 13B two-rotor
Market:
Primarily North America; sold through Mazda dealerships
Target Audience:
Technicians and DIY owners performing service and repair on the 1976 Mazda Rotary Pickup
Vehicle Class:
Compact pickup truck, light-duty
Market Role:
Mazda's first rotary-powered pickup for the North American market, offering sports-car-style engine character in a compact truck
Competitive Advantage:
Rotary engine power and smoothness in a compact pickup package; low nose and light weight compared to conventional piston-engine compact trucks of the era
Key Appeal:
Unusual rotary drivetrain, simple ladder-type chassis, and parts interchange common to Mazda B-Series trucks
Engine Character:
Two-rotor Wankel engine with high specific output for its displacement and compact dimensions
Cab and Bed:
Conventional two-door cab with a short, light-duty pickup bed
Front Suspension:
Independent front suspension with coil springs on the rotary pickup platform
Steering:
Recirculating ball steering, unassisted on most examples
Brakes:
Front disc and rear drum brakes on most examples
Coverage:
All models, engine types, and repairs A-Z for the stated model year onwards
Systems Covered:
Mechanical and electrical systems, including engine, transmission, driveline, suspension, steering, brakes, body, HVAC, and wiring
Procedures Included:
Routine maintenance, tune-up, specifications, removal and installation, overhaul, adjustment, and diagnostics
Diagrams:
Detailed pictures and diagrams included throughout
Printable Pages:
All pages are printable; print only the pages needed
Manual Type:
Workshop service repair manual (dealer/mechanic-level)
Delivery Method:
Instant download after payment; no shipping and no physical media
Binding:
Digital (PDF), no physical binding
Page Count:
N/A - exact page count not stated for this listing
Usage Limits:
Unlimited use; the file does not time out or expire
Compatibility:
Any PC or Mac with a PDF reader; works with Microsoft Windows versions such as XP, NT, 2000, Vista, and Windows 7
Routine Maintenance:
Scheduled service procedures and inspection checklists
Tune-Up Procedures:
Ignition timing, spark plugs, carburetor adjustment, and idle settings
Specifications:
Tightening torques, clearances, fluid capacities, and service limits
Safety Precautions:
Workshop safety procedures and precautions for rotary and general service work
Special Tools:
Special tools and equipment required for rotary engine and driveline service
Engine Removal and Installation:
Procedures for removing and reinstalling the engine assembly
Cylinder Head and Valve Train:
Rotary housing, rotor, side plate, and seal service procedures
Engine Block:
Rotary engine block and rotor housing service
Engine Lubrication:
Oil pump, oil metering pump, and lubrication system service
Intake Manifold and Exhaust System:
Intake and exhaust manifold removal, installation, and service
Cooling and Heating:
Radiator, water pump, thermostat, and heater system service
Fuel and Emissions:
Carburetor, fuel pump, fuel lines, and emission control service
Ignition:
Distributor, ignition coil, spark plugs, and ignition wiring
Exhaust and Emissions Control:
Exhaust system components and emissions control devices
Driveline, Chassis, and Electrical
Transaxle and Clutch:
Clutch inspection, removal, and installation procedures
Manual Transmission:
Manual gearbox removal, disassembly, inspection, and reassembly
Automatic Transmission:
Automatic transmission service and repair procedures where equipped
Differential and Driveshaft:
Rear axle, differential, and driveshaft service
Steering and Suspension:
Steering gear, linkage, front and rear suspension service
Brakes:
Brake system service, including ABS where equipped
Body and HVAC:
Body panels, heater, air conditioning, and automatic climate control service
Electrical and SRS:
Electrical system service including wiring diagrams and Supplemental Restraint System where equipped
Wiring Diagrams:
Electrical schematics and wiring diagrams for diagnosis and repair
Valve Timing:
Valve timing procedures, timing marks, chain and gear replacement, tensioner adjustment and reset methods, and chain routing
General Removal and Installation:
General removal and installation instructions for components and assemblies
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:
13B two-rotor Wankel rotary engine
Engine Displacement:
654 cc per rotor, approximately 1.3 liters total equivalent displacement
Engine Type:
Liquid-cooled two-rotor rotary engine
Fuel System:
Carbureted induction
Ignition System:
Distributor-based ignition with leading and trailing spark plugs
Horsepower:
N/A - exact factory rating varies by year and market; consult the manual's specification section
Torque:
N/A - exact factory rating varies by year and market; consult the manual's specification section
Compression:
N/A - use the compression specification in the manual for the specific year and engine
Fuel Requirement:
Regular or premium unleaded as specified by Mazda for the rotary engine; leaded fuel was common in this era
Standard Transmission:
Four-speed manual transmission
Optional Transmission:
Three-speed automatic transmission on some examples
Final Drive:
Rear-wheel drive through a live rear axle
Clutch:
Single dry-plate clutch on manual-transmission models
Gear Ratios:
N/A - exact ratios vary by transmission; see the manual's specification section
Shift Pattern:
Conventional H-pattern floor shift on manual models
Lubrication:
Transmission and differential fluid specifications are listed in the manual
Wheelbase:
N/A - exact figure not stated for this listing; see the manual's specification section
Length:
N/A - exact figure not stated for this listing; see the manual's specification section
Width:
N/A - exact figure not stated for this listing; see the manual's specification section
Height:
N/A - exact figure not stated for this listing; see the manual's specification section
Track Width:
N/A - exact figure not stated for this listing; see the manual's specification section
Curb Weight:
N/A - exact figure not stated for this listing; see the manual's specification section
Gross Vehicle Weight:
N/A - exact figure not stated for this listing; see the manual's specification section
Payload:
N/A - exact figure not stated for this listing; see the manual's specification section
Ratings:
N/A - government crash test ratings were not published for this vehicle in this era
Safety Standards:
Built to the federal motor vehicle safety standards in effect for the 1976 model year
Active and Passive Features
Brakes:
Front disc and rear drum brakes, dual-circuit hydraulic system
Steering:
Recirculating ball steering; no power assist on most examples
Seat Belts:
Lap and shoulder belt restraints for outboard occupants
Body Construction:
Body-on-frame construction with a steel cab and pickup bed
Airbags:
None; airbags were not fitted to vehicles of this era
Other Passive Equipment:
Laminated windshield glass and padded interior surfaces as required by period standards
Audio System:
AM radio standard; AM/FM radio available depending on trim and market
Speakers:
Dash or door-mounted speakers as fitted
Connectivity:
None; no factory audio input or connectivity features on this era of vehicle
Driver Assistance Systems:
None; electronic driver assistance systems were not offered on this vehicle
Instrumentation:
Analog gauges with speedometer, fuel, temperature, and warning lamps
Electrical System:
Conventional 12-volt electrical system with fuse protection
Oil Changes:
Follow the interval in the manual; rotary engines typically require more frequent oil and filter service than piston engines
Tune-Up:
Spark plugs, ignition timing, and carburetor adjustments at the intervals listed in the manual
Fluid Checks:
Regular inspection of coolant, brake fluid, transmission fluid, and differential fluid
Oil Metering:
Check oil metering pump operation and oil consumption as part of routine service
Engine Oil:
Use the viscosity and grade specified in the manual for the ambient temperature range
Coolant:
Ethylene-glycol based coolant mixed to the concentration specified in the manual
Transmission Fluid:
Use the fluid type specified in the manual for the manual or automatic transmission fitted
Brake Fluid:
Use the brake fluid type specified in the manual
Known Issues and Wear Items
Apex Seals:
Apex seal wear is a common high-mileage concern on rotary engines; compression testing is recommended
Oil Consumption:
Rotary engines consume oil by design through the metering system; monitor level regularly
Cooling System:
Radiator, hoses, and water pump are common wear items; overheating can damage rotor housings
Ignition Components:
Spark plugs, ignition wires, and distributor components wear and require periodic replacement
Brakes and Suspension:
Brake pads, shoes, and suspension bushings are normal wear items
Manufacturer:
Mazda Motor Corporation
Rotary Heritage:
Mazda pioneered mass-production rotary engine vehicles and used the technology across several model lines in the 1970s
Model Position:
The rotary pickup was Mazda's effort to bring rotary power to the compact truck market
Production Run:
Produced in the mid-1970s as part of Mazda's rotary lineup
Platform:
Based on Mazda's compact pickup platform of the era, shared with piston-engine B-Series trucks
Later Models:
The rotary pickup was discontinued and later Mazda pickups used conventional piston engines
Assembly:
Built in Japan by Mazda for export markets, including North America
Market Availability:
Sold through Mazda dealerships in North America and other selected markets