🏷️ Basic Information Identification Make: Mazda Model: R100 (also known as Familia Rotary Coupe or Luce Rotary Coupe in some markets) Body Style: Coupe Codes Chassis Code Family: Mazda Familia (preceding the '80s generation) 👋 Introduction Market Position Historical Significance: Pioneering rotary-powered production car from Mazda, established the brand's reputation for rotary technology and sporty coupes. Competitive Analysis Competitors: Competed with other sporty coupes and sedans of the era, but its rotary engine offered a unique selling proposition. Key Features Distinctive Attributes: Compact size, lightweight construction, distinctive coupe styling, and the innovative Wankel rotary engine. 📋 Manual Details Coverage Areas Model Years Covered: 1968-1973 Page Count Estimated Page Count: Varies by specific publisher/edition, typically 500-800+ pages for a complete service manual Manual Type Manual Type: Official Full Service Repair Manual Language Language: English (assuming original or common translation) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Rotary engine (10A, 12A configurations), lubrication, cooling, fuel delivery, ignition, emissions control, starting, charging Transmission Systems: Manual transmission (4-speed and possibly 5-speed), clutch system, driveline Chassis Systems: Suspension (front and rear), steering, brakes (hydraulic, drum/disc configurations), wheels, tires Electrical Systems: Wiring diagrams, lighting, instrumentation, ignition, charging, accessories, starter motor Body And Interior: Body panel repair, doors, windows, seats, trim, HVAC (heating, ventilation, and air conditioning) Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug replacement, coolant flushes, brake fluid changes, lubrication points Troubleshooting Guides: Diagnostic charts for common symptoms, electrical fault finding, engine performance issues Repair And Rebuild: Engine disassembly and reassembly, transmission overhauls, brake caliper rebuilds, suspension component replacement Installation And Adjustment: Component timing adjustments, carburetor tuning, brake adjustments, alignment procedures Technical Depth Depth Of Coverage: Comprehensive: Covers basic maintenance, in-depth troubleshooting, and complete mechanical/electrical system overhauls 📊 Manual Specifications File Format File Type: PDF Print Quality Scanned Resolution: High-resolution scans ensuring clarity of diagrams and text (assumed for a quality product) Binding Type Binding For Print: N/A (Digital Download) Paper Type Paper Quality For Print: N/A (Digital Download) Features Searchable Text: Yes (typically included in quality PDF manuals for easy navigation) ⚙️ Engine Specifications Primary Engine Engine Type: Wankel Rotary Engine Code Common: 10A (initial production), 12A (later models) Engine Displacement Cc: 982 cc (10A), 1146 cc (12A) - actual displacement calculated differently for rotary engines Performance Horsepower Approx: 10A: ~100-110 hp, 12A: ~120-130 hp (depending on specific tuning and market) Torque Approx: 10A: ~90-100 lb-ft, 12A: ~110-120 lb-ft (depending on specific tuning and market) Fuel System Carburetion: Twin-choke downdraft carburetor (e.g., Hitachi) Fuel Type: Unleaded gasoline (premium recommended) Technical Details Rotor Design: Two-rotor Wankel configuration 🔧 Transmission Standard Transmission Type Standard: 4-speed manual transmission Optional Transmission Type Optional: Possibly a 3-speed automatic transmission on some models/markets Features Clutch Type: Dry single plate clutch 📐 Dimensions Exterior Length Mm Approx: 3900-4000 mm Width Mm Approx: 1580-1600 mm Height Mm Approx: 1280-1300 mm Weights Curb Weight Kg Approx: 950-1050 kg Wheelbase Mm Approx: 2200-2250 mm 🛡️ Safety Features Ratings Historical Safety Standards: Standards of the era, likely lacking modern safety features such as airbags or advanced crumple zones. Active Features Braking System: Front disc brakes, rear drum brakes common. Power assist may be optional. Passive Features Seatbelts: Lap belts likely standard, 3-point belts possibly optional or fitted later. Body Construction: Unitary construction, designed for lightness and rigidity. 💡 Technology Features Infotainment Radio System: Typically AM radio, possibly optional FM stereo. Aftermarket upgrades common. Driver Assistance ABS Availability: Not available. Connectivity Bluetooth Availability: Not available. 🔧 Maintenance Service Intervals Oil Change Interval Approx: Every 3,000 miles or 3 months (common for the era and rotary engines). Spark Plug Replacement Interval Approx: Every 10,000-15,000 miles, depending on plug type. Fluid Specifications Engine Oil Type: API SE or SF, SAE 10W-30 or 10W-40 (specific manual should be consulted for precise recommendation). Coolant Type: Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid. Transmission Fluid Type: GL-4 gear oil (specific viscosity to be confirmed in manual, e.g., 80W-90). Known Issues Rotary Specific Wear: Apex seal wear, potential for oil seal issues, need for regular decarbonization. Rotary engines require a slightly different maintenance approach than piston engines. Carburetor Tuning: Carburetors can be sensitive to altitude, fuel quality, and require periodic adjustment for optimal performance and emissions. Electrical Reliability: Older vehicles can experience issues with aging wiring insulation, connectors, and components. Technical Specifications Ignition Timing Spec: Specific timing marks and degrees to be found in the manual, crucial for rotary engine operation. Valve Clearance Adjustment: Rotary engines do not have traditional valves, but apex seal and side seal clearances are critical and detailed in the manual. 📚 Vehicle History Brand Heritage Mazda Rotary Pioneering: Mazda was a pioneer in developing and mass-producing Wankel rotary engines, starting with the Cosmo and continuing with...