🏷️ Basic Information Identification Make: BMW Model: R 850 C / R 1200 C Model Variant: Cruiser Body Style: Motorcycle Codes Chassis Code R850C: R21 Chassis Code R1200C: R28 👋 Introduction Market Position Segment: BMW's cruiser segment, offering a distinct style and character from their touring and sport models. Target Audience: Riders seeking a relaxed, comfortable riding experience with the quality and engineering of BMW motorcycles. Competitive Analysis Key Competitors: Harley-Davidson, Honda Shadow series, Indian Scout. Key Features Design Philosophy: Classic cruiser styling blended with BMW's boxer-twin engine and refined engineering. Powertrain Layout: Air-cooled, four-stroke boxer-twin engine with shaft drive. Distinguishing Features: Low seat height, pulled-back handlebars, distinctive styling, and the characteristic BMW boxer engine feel. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive repair, maintenance, and troubleshooting for BMW R 850 C and R 1200 C motorcycles. Secondary Coverage: Includes diagnostic procedures, electrical system diagrams, and component specifications. Page Count Estimated Page Count: Over 500 pages (typical for comprehensive service manuals) Manual Type Type: Repair Manual / Service Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, including cylinder head, pistons, crankshaft, valve train, lubrication system, and cooling (air-cooled). Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel filter, fuel tank, and fuel lines. Ignition System: Ignition coil, spark plugs, ECU control, and timing. Transmission: Gearbox assembly, clutch operation, shift mechanism, and final drive (shaft drive). Electrical System: Wiring diagrams, lighting systems (headlight, taillight, signals), battery, alternator, starter motor, and control modules. Brakes: Front and rear brake systems, including ABS (if equipped), brake calipers, master cylinders, brake lines, and pad replacement. Suspension: Front telescopic fork (including oil change and seal replacement) and rear Monolever swingarm with shock absorber. Frame And Bodywork: Frame structure, body panels, fairings, seat, handlebars, and mounting hardware. Wheels And Tires: Wheel bearing maintenance, tire replacement, and balancing. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug checks, valve clearance adjustments, brake fluid replacement, and drive shaft lubrication. Troubleshooting: Step-by-step diagnostic guides for common running issues, electrical faults, and performance problems. Repair: Detailed instructions for component disassembly, repair, reassembly, and adjustments. Installation: Procedures for installing genuine BMW accessories and replacement parts. Specifications: Torque specifications for all fasteners, fluid capacities, wear limits, and diagnostic parameters. Technical Depth Depth: Comprehensive, covering routine maintenance to complete engine and transmission rebuilds. Diagnostics: Detailed fault finding for engine management and electrical systems, often including diagnostic trouble codes (DTCs) where applicable. Electrical Diagrams: High-quality, detailed wiring schematics for all electrical circuits. Illustrations: Clear, step-by-step illustrations and diagrams for all procedures. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF for quick information retrieval. Print Quality Quality: High-resolution scans suitable for printing key sections or the entire manual. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type R850C: Air-cooled, four-stroke boxer-twin Displacement R850C: 848 cc Bore X Stroke R850C: 90.0 mm x 66.0 mm Type R1200C: Air-cooled, four-stroke boxer-twin Displacement R1200C: 1170 cc Bore X Stroke R1200C: 101.0 mm x 73.0 mm Performance Horsepower R850C: 70 hp @ 6,750 rpm (approx.) Torque R850C: 79 Nm @ 4,750 rpm (approx.) Horsepower R1200C: 100 hp @ 7,000 rpm (approx.) Torque R1200C: 115 Nm @ 5,500 rpm (approx.) Fuel System Injection System: Electronic fuel injection (Bosch Motronic) Fuel Type: Unleaded gasoline (Premium) Fuel Capacity: 16.5 Liters (4.36 US gal) (approx.) 🔧 Transmission Standard Type: 5-speed manual transmission Drive: Shaft drive Optional Availability: N/A (Standard on both models) Features Clutch: Single dry plate, hydraulically operated Gear Ratios: Specific ratios detailed within the manual. 📐 Dimensions Exterior Length R1200C: 2260 mm (88.98 in) (approx.) Width R1200C: 800 mm (31.50 in) (approx., excluding mirrors) Height R1200C: 1100 mm (43.31 in) (approx., to handlebars) Weights Dry Weight R850C: Approx. 223 kg (491.6 lbs) Curb Weight R1200C: Approx. 255 kg (562.2 lbs) (fully fueled) Seat Height R1200C: 760 mm (29.92 in) (approx.) 🛡️ Safety Features Ratings ABS Availability: Optional Integral ABS on R1200C, standard on some later models. Active Features Braking System: Dual front disc brakes, single rear disc brake. Integral ABS provides combined braking function. Passive Features Chassis Design: Sturdy steel tube frame providing a stable platform. Lighting: Halogen headlight, LED taillight (model dependent). 💡 Technology Features Infotainment Audio System: Optional factory-fitted stereo system available on some R1200C models. Driver Assistance ABS: Integral ABS system available as an option, providing enhanced braking safety. Connectivity Diagnostic Port: On-board diagnostics accessible via a specific connector for fault code reading. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km or annually, whichever comes first. Oil Filter Replacement: With every oil change. Spark Plug Replacement: Approximately every 20,000 km or as per manual recommendations. Valve Clearance Check: Every 20,000 km. Brake Fluid Replacement: Every 2 years. Drive Shaft Lubrication: Every...