The R 100 PD, produced from 1987 to 1996, is a distinguished large displacement, air-cooled, boxer-twin touring motorcycle. Renowned for its robust build quality and longevity, this model embodies a heritage of producing technically advanced and reliable machines. The R 100 PD, with its shaft drive system and comfortable long-distance riding capabilities, often featuring an adventure-oriented 'PD' designation, represents a blend of engineering prowess and practical design, making it a favored choice for touring enthusiasts. This comprehensive workshop service manual provides detailed guidance for the maintenance and repair of the R 100 PD. It covers a wide array of critical systems, including complete engine mechanicals, fuel and ignition systems, the 5-speed transmission, brakes, suspension, and electrical components. The manual details routine maintenance, troubleshooting common issues, major repair procedures, and component overhauls, ensuring owners and technicians have the necessary information to preserve the performance and reliability of their motorcycle. 🏷️ Basic Information Identification Make: BMW Model: R 100 PD Common Name: BMW R100PD Vehicle Type: Motorcycle Codes Engine Code Family: Type 247 👋 Introduction Market Position Segment: Large displacement, air-cooled boxer-twin touring motorcycle. Competitive Analysis Competitors: Guzzi V1000, Honda GL series, Yamaha XS series (contemporary large displacement competitors). Key Features Engine Layout: Air-cooled, four-stroke, boxer-twin engine. Drive System: Shaft drive. Durability: Known for robust build quality and longevity when properly maintained. Touring Capability: Designed for comfortable long-distance riding, often equipped with luggage systems. 📋 Manual Details Coverage Areas Applicable Years: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Page Count Estimated Page Count: 300+ Manual Type Type: Workshop Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, overhaul, and reassembly of the boxer twin engine. Fuel System: Carburetor adjustment (Bing), fuel pump, fuel lines, fuel tank. Ignition System: Ignition timing, coil replacement, spark plug specifications, electronic ignition components. Transmission Gearbox: 5-speed gearbox overhaul, clutch operation and adjustment, final drive and shaft drive. Brakes: Front and rear disc brake systems, hydraulic lines, master cylinders, caliper service, brake fluid specifications. Suspension: Front fork (including oil change and seal replacement), rear shock absorbers, swingarm. Electrical System: Wiring diagrams, battery maintenance, alternator, starter motor, lighting, switches, fuses. Chassis Frame: Frame inspection, headstock bearings, steering alignment. Bodywork Fittings: Fairing (if applicable), seat, handlebars, fuel tank mounting, fenders. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, chain adjustment (if applicable, though shaft drive is standard), brake fluid checks, valve clearance adjustments. Troubleshooting: Diagnosing common performance issues, electrical faults, starting problems, and drivability concerns. Major Repairs: Engine rebuilds, transmission overhauls, suspension fork rebuilds, brake system repairs. Component Overhaul: Detailed procedures for rebuilding carburetors, alternators, starters, and brake calipers. Electrical Diagnostics: Interpreting wiring diagrams, testing electrical components, identifying short circuits and open circuits. Technical Depth Depth: Comprehensive (covers routine maintenance through complete engine and transmission rebuilds). 📊 Manual Specifications File Format File Type: PDF Print Quality Clarity: High-resolution scans, clear text and diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, horizontally opposed twin-cylinder (boxer). Bore X Stroke: 90.0 mm x 78.0 mm Displacement: 980 cc Compression Ratio: 8.2:1 Valve Train: OHV (Overhead Valve), 2 valves per cylinder, pushrod actuated. Performance Horsepower Output: Approx. 65-70 HP @ 6000-7000 RPM (variant dependent) Torque Output: Approx. 75-80 Nm @ 4500-5500 RPM (variant dependent) Fuel System Carburetors: 2 x Bing 32mm (or 40mm on some later/export models) Fuel Delivery: Mechanical fuel pump. Fuel Type: Unleaded Gasoline (RON 91 or higher recommended) Ignition System Ignition Type: Electronic Ignition (Bosch Motronic or similar) Lubrication Oil Type: SAE 20W-50 Motorcycle Oil (API SG or higher) Oil Capacity W Filter: Approx. 2.5 Liters 🔧 Transmission Standard Type: 5-speed constant mesh gearbox Optional Optional Gearbox: N/A Features Clutch Type: Single dry plate clutch, hydraulically actuated. Drive Shaft: Enclosed shaft drive to rear wheel. Fluid Specifications Gearbox Oil Type: SAE 90 Hypoid Gear Oil Gearbox Oil Capacity: Approx. 0.25 Liters 📐 Dimensions Exterior Length: Approx. 2180 mm (2220 mm with optional fairing) Width: Approx. 770 mm (handlebars) Height: Approx. 1170 mm (seat height) Weights Dry Weight: Approx. 220 kg Gross Vehicle Weight: Approx. 430 kg 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety is assessed differently than cars) Active Features Braking System: Dual front disc brakes, single rear disc brake. Suspension Stability: Ensures predictable handling and stability during braking and cornering. Passive Features Robust Construction: Durable frame and componentry contribute to rider safety. 💡 Technology Features Infotainment Infotainment System: N/A (Basic instrumentation: speedometer, tachometer, odometer, fuel gauge, indicator lights). Driver Assistance ABS: ABS was not standard or widely available on this model during its production run. Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 10,000 km or annually. Valve Clearance Adjustment: Every...