|
Introduction
|
|
Market Position
|
|
Segment:
|
Mid-size touring motorcycle, often considered an entry-point to BMW's boxer-twin platform.
|
|
Target Audience:
|
Riders seeking a comfortable, reliable, and capable motorcycle for touring and everyday use, with BMW's characteristic build quality and engineering.
|
|
Competitive Analysis
|
|
Key Competitors:
|
Moto Guzzi California, Honda VFR800, Yamaha FJR1300 (though often a larger displacement competitor).
|
|
Key Features
|
|
Engine Layout:
|
Air-cooled, four-stroke, two-cylinder boxer engine.
|
|
Drivetrain:
|
Shaft drive, known for low maintenance and smooth power delivery.
|
|
Suspension Front:
|
Telelever suspension, offering excellent ride quality and predictable handling.
|
|
Suspension Rear:
|
Monolever rear suspension with adjustable shock absorber.
|
|
Braking System:
|
Integral ABS II (optional/standard depending on market), providing advanced braking safety.
|
|
Manual Details
|
|
Coverage Areas
|
|
Engine Coverage:
|
Complete engine overhaul, including disassembly, inspection, assembly, tuning, and troubleshooting.
|
|
Transmission Coverage:
|
Gearbox service, clutch operation, final drive maintenance, and troubleshooting.
|
|
Chassis Coverage:
|
Frame, suspension (front Telelever, rear Monolever), steering, wheels, and brakes.
|
|
Electrical Coverage:
|
Ignition system, lighting, instruments, fuel injection control unit, battery, starter, alternator, and wiring diagrams.
|
|
Bodywork Coverage:
|
Fairings, fuel tank, seat, fenders, and general cosmetic repairs.
|
|
Page Count
|
|
Estimated Pages:
|
Approximately 400-600 pages (typical for comprehensive service manuals).
|
|
Manual Type
|
|
Type:
|
Service Repair Workshop Manual
|
|
Language
|
|
Language:
|
English
|
|
Format
|
|
Format:
|
Digital (likely PDF)
|
|
Manual Coverage
|
|
Systems Covered
|
|
Engine Management:
|
Bosch Motronic (specific to R850R, likely 2.2 or 2.4 variant), including fuel injection, ignition timing, and idle control.
|
|
Fuel System:
|
Fuel tank, fuel pump, fuel filter, fuel lines, and injector system.
|
|
Exhaust System:
|
Catalytic converter (if applicable for the market), mufflers, and exhaust manifold maintenance.
|
|
Cooling System:
|
Oil cooling system, including oil cooler, oil lines, and oil filter service.
|
|
Braking System:
|
BMW Integral ABS II (optional on some models, standard on others), front and rear disc brakes, brake fluid replacement, and caliper service.
|
|
Suspension System:
|
Front Telelever system (fork, shock absorber, linkage), rear Monolever swingarm, shock absorber, and pre-load adjustment.
|
|
Wheel Tire System:
|
Wheel bearings, tire replacement, wheel balancing, and spoke tensioning (if applicable for spoked wheels).
|
|
Steering System:
|
Handlebar, steering head bearings, and alignment checks.
|
|
Procedures Included
|
|
Routine Maintenance:
|
Oil changes, filter replacements, spark plug checks, chain adjustment (if applicable, though shaft drive), brake fluid flushes, and air filter cleaning/replacement.
|
|
Engine Rebuild:
|
Top-end overhaul (cylinder head, valves), bottom-end overhaul (crankshaft, connecting rods, bearings), piston and ring replacement.
|
|
Transmission Repair:
|
Clutch plate replacement, gearbox component inspection and replacement, final drive oil seal replacement.
|
|
Electrical Diagnostics:
|
Troubleshooting common electrical faults, component testing (e.g., ignition coils, fuel injectors), and interpreting wiring diagrams.
|
|
Suspension Service:
|
Fork seal replacement, shock absorber servicing, linkage lubrication, and adjustment procedures.
|
|
Brake Service:
|
Brake pad replacement, rotor inspection, bleeding procedures (including ABS systems if equipped).
|
|
Wheel Hub Service:
|
Wheel bearing replacement, hub maintenance, and tire mounting/balancing.
|
|
Technical Depth
|
|
Diagnostic Procedures:
|
Detailed step-by-step troubleshooting guides for common and uncommon problems, including fault code interpretation (if applicable to Motronic system).
|
|
Torque Specifications:
|
Precise torque values for all critical fasteners, ensuring proper assembly and preventing component damage.
|
|
Component Clearances:
|
Specifications for valve clearances, piston-to-cylinder wall clearances, bearing clearances, etc.
|
|
Alignment Data:
|
Specifications for steering head angle, trail, and wheel alignment.
|
|
Wiring Diagrams:
|
Comprehensive, easy-to-read wiring diagrams for all electrical systems, color-coded and keyed.
|
|
Special Tools:
|
Listing and description of specialized tools required for specific maintenance and repair tasks.
|
|
Engine Specifications
|
|
Primary Engine
|
|
Engine Type:
|
Air-cooled, four-stroke boxer-twin engine
|
|
Displacement:
|
848 cc (approx.)
|
|
Bore X Stroke:
|
90.0 mm x 66.0 mm (approx.)
|
|
Compression Ratio:
|
9.0:1 (approx.)
|
|
Valve Train:
|
Overhead camshaft (OHC), 2 valves per cylinder, pushrod actuated.
|
|
Performance
|
|
Horsepower:
|
Approximately 70-75 hp @ 7,250 rpm (specifications may vary slightly by market and tune).
|
|
Torque:
|
Approximately 75-80 Nm (55-59 lb-ft) @ 5,500 rpm (specifications may vary).
|
|
Fuel System
|
|
Fuel Delivery:
|
Electronic Fuel Injection (EFI), Bosch Motronic.
|
|
Fuel Type:
|
Unleaded gasoline, 91-98 octane (RON).
|
|
Fuel Tank Capacity:
|
19 liters (5.0 US gal) including reserve.
|
|
Maintenance
|
|
Service Intervals
|
|
Oil Change Interval:
|
Every 10,000 km (6,000 miles) or annually, whichever comes first.
|
|
Major Service Interval:
|
Typically every 20,000 km (12,000 miles), including valve adjustment, throttle body sync, and brake fluid flush.
|
|
Spark Plug Replacement:
|
Check every 10,000 km, replace as needed or at 20,000 km intervals.
|
|
Fluid Specifications
|
|
Engine Oil Type:
|
SAE 20W-50 or SAE 15W-50 API SG or higher, conforming to BMW Motorrad specifications.
|
|
Engine Oil Capacity:
|
Approximately 3.0 liters (3.2 US quarts) with oil filter change.
|
|
Brake Fluid Type:
|
DOT 4 hydraulic brake fluid.
|
|
Final Drive Oil Type:
|
Hypoid gear oil, SAE 80W-90 API GL-5.
|
|
Final Drive Oil Capacity:
|
Approximately 0.25 liters (0.26 US quarts).
|
|
Known Issues
|
|
Electrical Connectors:
|
Corrosion or poor contact in electrical connectors, particularly around the alternator and main harness.
|
|
Fuel Injector Cleaning:
|
Periodic cleaning or testing of fuel injectors may be required to maintain optimal performance.
|
|
Throttle Body Sync:
|
Out-of-sync throttle bodies can lead to rough idling or uneven power delivery; regular synchronization is crucial.
|
|
Telelever Pivot Bearings:
|
Wear in the pivot bearings of the Telelever system can affect steering and handling; lubrication and inspection are important.
|
|
Clutch Actuator Seal:
|
Potential for leaks from the clutch slave cylinder seal.
|
