Product Type:
Workshop Service Manual / Repair Manual
Applicable Years:
1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Positioning:
The BMW R850R and R850GS represent BMW's entry-level boxer-twin touring and adventure-touring motorcycles, offering accessible performance and characteristic BMW build quality.
Competitors:
Competed with models from Honda (ST1100 Pan European, Africa Twin), Yamaha (TDM850), Kawasaki (GTR1000), and Moto Guzzi (California models) in the sport-touring and adventure-touring segments.
Engine Type:
Air-cooled, four-stroke, boxer-twin engine.
Drivetrain:
Shaft drive, a signature BMW feature.
Suspension:
Telelever front suspension and Monolever rear suspension, providing sophisticated ride characteristics.
Primary Coverage:
Complete mechanical and electrical systems for BMW R850R and R850GS models
Specific Models Covered:
R850R, R850GS
Estimated Pages:
Detailed information suggests a comprehensive manual, likely exceeding 500 pages. Specific page count not provided in product description, but typical for full workshop manuals.
Type:
Workshop Service Manual / Repair Manual
Engine:
Detailed engine overhaul, including disassembly, inspection, reassembly, timing, valve adjustment, lubrication system, cooling system (oil cooling).
Fuel System:
Fuel injection system (Bosch Motronic), fuel pump, injectors, throttle body, fuel tank, fuel lines.
Transmission:
Gearbox overhaul, clutch inspection and replacement, drive shaft maintenance, final drive unit service.
Chassis:
Frame inspection, suspension (front Telelever, rear Monolever), wheel bearings, steering system.
Brakes:
Brake system maintenance, bleeding, caliper overhaul, master cylinder service, ABS system (if equipped), brake pad and disc replacement.
Electrical System:
Wiring diagrams, starter motor, alternator, battery, lighting system, ignition system, instrument cluster, fuses, relays, ECU.
Bodywork:
Fairing removal and installation, seat, fuel tank, fenders, luggage systems.
Maintenance:
Scheduled maintenance intervals, oil and filter changes, spark plug replacement, air filter service, brake fluid replacement, gearbox oil change, final drive oil change, drive shaft lubrication.
Troubleshooting:
Diagnostic procedures for common problems, fault code interpretation, step-by-step fault finding guides for various systems.
Repair:
Detailed disassembly, component inspection, repair techniques, and reassembly procedures for all major vehicle systems.
Adjustment:
Valve clearance adjustment, throttle cable adjustment, clutch lever adjustment, suspension adjustments.
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts. Includes torque specifications, tolerances, and detailed diagnostic procedures.
Format Details:
PDF. Typically vector-based for clear graphics and text, searchable text for easy navigation.
Quality:
High-resolution, ensuring clarity of diagrams, schematics, and text. Suitable for printing.
Binding:
N/A (Digital PDF download)
Paper:
N/A (Digital PDF download)
Engine Type:
Air-cooled, four-stroke, boxer-twin, DOHC, 4 valves per cylinder
Displacement:
848 cc (850cc designation)
Bore X Stroke:
90.0 mm x 66.0 mm
Horsepower:
Approximately 60-65 hp @ 6750 rpm (varies slightly by year and market)
Torque:
Approximately 77 Nm (57 lb-ft) @ 5000 rpm (varies slightly by year and market)
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline (95 RON recommended)
Cooling Method:
Air cooling with oil cooler
Oil Type:
SAE 20W-50 API SG or higher (check manual for specific BMW recommendations)
Oil Capacity:
Approximately 4.0 liters (with filter change)
Type:
5-speed manual gearbox
Clutch:
Single dry plate, hydraulically operated
Final Drive:
Shaft drive with maintenance-free universal joint
Gearbox Oil Type:
SAE 75W-90 API GL-4 or GL-5 (check manual for specific BMW recommendations)
Gearbox Oil Capacity:
Approximately 1.0 liter
Final Drive Oil Type:
SAE 80W-90 API GL-5 (check manual for specific BMW recommendations)
Final Drive Oil Capacity:
Approximately 0.18 liters
Length:
R850R: Approx. 2230 mm; R850GS: Approx. 2245 mm
Width:
R850R: Approx. 850 mm; R850GS: Approx. 910 mm (incl. handguards)
Height:
R850R: Approx. 1360 mm (seat height adjustable); R850GS: Approx. 1420 mm (seat height adjustable)
Dry Weight:
R850R: Approx. 215 kg; R850GS: Approx. 225 kg
Gross Vehicle Weight:
Approx. 450 kg (check manual for exact specifications)
Tank Capacity:
20.0 liters (including 3.0 liter reserve)
ABS:
Optional BMW Integral ABS (available on some models, check VIN)
Braking System:
Hydraulic dual-disc front brake, hydraulic single-disc rear brake.
Lighting:
Halogen headlight, LED taillight.
Frame Construction:
Steel tubular frame for rigidity and rider protection.
Instrument Cluster:
Analog tachometer and speedometer, LCD display for odometer, trip meter, clock, fuel level, gear indicator (on later models).
Audio System:
Not standard. Optional radio/cassette or CD player systems were available as dealer-installed accessories.
ABS:
Integral ABS was an optional feature, significantly enhancing braking safety.
Diagnostic Port:
On-board diagnostic (OBD) port for electronic diagnostics.
Oil Change Interval:
Every 10,000 km or annually, whichever comes first (check manual for exact spec).
Valve Check Interval:
Every 20,000 km (check manual for exact spec).
Spark Plug Replacement:
Every 20,000 km (check manual for exact spec).
Brake Fluid Replacement:
Every 2 years (check manual for exact spec).
Engine Oil:
SAE 20W-50, API SG or higher (e.g., BMW Motorrad Advantec Ultimate 15W-50 is a suitable modern alternative, but verify).
Gearbox Oil:
SAE 75W-90 GL-4 or GL-5 (e.g., Castrol Syntrax Longlife 75W-90).
Final Drive Oil:
SAE 80W-90 GL-5 (e.g., Castrol Axle Z 80W-90).
Brake Fluid:
DOT 4 (e.g., Castrol DOT 4).
Common Problems:
Wear on the splines of the driveshaft and final drive, electrical connector issues (corrosion), fuel pump reliability, Telelever pivot bearing wear, occasional clutch slave cylinder leaks.
Preventative Maintenance:
Regular lubrication of driveshaft splines, checking electrical connections, inspecting pivot bearings, regular clutch fluid checks.
Heritage:
BMW Motorrad has a long-standing reputation for engineering excellence, reliability, and distinctive boxer-twin engines, dating back to the early 20th century.
Lineage:
The R850R and R850GS are descendants of the highly successful R100 series and predecessors to the R1100/R1150 series, offering a more accessible entry point into BMW's boxer-twin touring platform.
Production Years:
The R850R/GS series was produced from 1994 to 2001.
Manufacturing Location:
Berlin, Germany
