🏷️ Basic Information Identification Make: Mazda Model: R100 Body Style: Coupe Production Years Covered: 1968-1973 Codes Internal Model Code: M10A 👋 Introduction Market Position Segment: Compact Sports Coupe / Personal Luxury Car Target Audience: Enthusiasts, collectors, and owners of classic Mazda R100 models Competitive Analysis Key Competitors Era: Toyota Corolla Levin, Datsun 240Z, Ford Capri, smaller European coupes Key Features Rotary Engine: Pioneering use of the Wankel rotary engine in a compact Japanese car, offering unique performance characteristics. Styling: Sporty, distinctive coupe styling, a departure from more utilitarian Japanese vehicles of the era. Manual Value: Essential resource for maintaining and restoring a rare and technologically significant classic. 📋 Manual Details Coverage Areas Comprehensive Coverage: Full factory service and repair Page Count Estimated Page Count: High (typically 500+ pages for comprehensive factory manuals of this era) Manual Type Manual Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine System: Rotary engine (10A) overhaul, diagnosis, fuel, ignition, lubrication, cooling Transmission System: Manual transmission (4-speed) overhaul, maintenance, diagnosis Drivetrain System: Rear axle, driveshaft, CV joints Suspension System: Front and rear suspension, steering, alignment specifications Brake System: Hydraulic system, calipers, drums, master cylinder, troubleshooting Electrical System: Wiring diagrams, lighting, charging system, ignition, starter, accessories Body And Chassis: Body construction, doors, windows, interior trim, seat adjustments Fuel System: Carburetor (Hitachi) specifications, adjustment, overhaul Cooling System: Radiator, water pump, thermostat, coolant specifications Lubrication System: Oil pump, oil filter, oil specifications Procedures Included Engine Overhaul: Complete step-by-step engine rebuilding procedures Transmission Repair: Detailed transmission disassembly and reassembly Brake Service: Brake pad/shoe replacement, bleeding procedures, component replacement Tune Up Procedures: Ignition timing, carburetor adjustments, spark plug replacement Troubleshooting: Diagnostic charts and symptom-based problem resolution Electrical Diagnostics: Component testing, wiring harness repair Suspension Alignment: Alignment angles and procedures Technical Depth Depth: Comprehensive: Covers routine maintenance to complete engine and transmission rebuilds, with detailed diagnostic information. 📊 Manual Specifications File Format File Quality: High-resolution scans, suitable for printing Searchability: Likely text-searchable if converted from original digital format or OCR'd Print Quality Print Recommendation: Printable, allowing for easy use in a workshop environment Binding Type Binding Recommendation: Best printed and spiral-bound for durability and lay-flat usability Paper Type Paper Recommendation: Durable paper stock recommended for workshop use ⚙️ Engine Specifications Primary Engine Engine Code: Mazda 10A Engine Type: Two-rotor Wankel Rotary Displacement: 982 cc (actual working volume) Rotor Housing Design: Epitrochoid Performance Horsepower Approx: 100-110 hp (net, depending on variant) Torque Approx: 130-135 Nm (net, depending on variant) Redline Approx: 6500-7000 RPM Fuel System Carburetor: Hitachi DC360 twin-choke downdraft carburetor (or similar Hitachi variant) Fuel Type: Unleaded gasoline (premium recommended for optimal performance) Ignition System Ignition Type: Distributorless Ignition System (DIS) or Distributor-based ignition with dual coils Lubrication System Oil Type: API SE or SF classification, SAE 10W-30 or 10W-40 recommended (check manual for specific fill) Oil Capacity: Approx. 4.5-5.0 liters (including filter) Cooling System Coolant Type: Ethylene glycol based antifreeze (50/50 mix with distilled water) 🔧 Transmission Standard Transmission Type: 4-speed Manual Transmission Optional Automatic Transmission: Available (e.g., Toyo Kogyo 3-speed automatic, refer to specific model variants) Features Clutch Type: Dry, single-plate, diaphragm spring clutch Transmission Fluid: GL-4, SAE 75W-90 or 80W-90 gear oil (check manual for exact specification) 📐 Dimensions Exterior Length: Approx. 4,000 mm (157.5 in) Width: Approx. 1,575 mm (62.0 in) Height: Approx. 1,305 mm (51.4 in) Wheelbase: Approx. 2,285 mm (90.0 in) Weights Curb Weight: Approx. 970 kg (2,138 lbs) Gross Vehicle Weight Rating: Approx. 1,300 kg (2,866 lbs) 🛡️ Safety Features Ratings Crash Test Data: No formal crash test ratings available for this era by modern standards. Active Features Brakes: Front disc brakes, Rear drum brakes Parking Brake: Mechanical, rear drum Passive Features Seat Belts: Standard front seat belts (lap belts, possibly optional 3-point) Windshield: Laminated safety glass 💡 Technology Features Infotainment Radio: Optional AM/FM radio Speakers: Typically 2 or 4 speakers Driver Assistance Features: None by modern standards; basic driver controls. Connectivity Features: None 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 km (3,000-5,000 miles) or 6 months (refer to manual for specific recommendation) Spark Plug Replacement: Inspect every 10,000 km (6,000 miles), replace as needed (specific rotary plugs required) Air Filter Replacement: Inspect every 5,000 km (3,000 miles), replace as needed Timing Belt Replacement: Not applicable (rotary engines do not have a timing belt) Fluid Specifications Engine Oil: API SE/SF, SAE 10W-30 or 10W-40 Transmission Oil: GL-4, SAE 75W-90 or 80W-90 Brake Fluid: DOT 3 or DOT 4 (check manual for exact specification) Coolant: 50% Ethylene Glycol Antifreeze / 50% Distilled Water Known Issues Apex Seal Wear: Common issue in older rotary engines, requiring rebuild if worn excessively. Carburetor Tuning: Hitachi carburetors can be sensitive and require proper adjustment. Rotor Housing Corrosion: Can occur with improper coolant maintenance or storage. Electrical...