Target Audience:
BMW R850R owners, independent mechanics, restoration enthusiasts
Value Proposition:
Provides exhaustive repair and maintenance data, enabling cost-effective ownership and high-quality servicing.
Completeness:
Covers all aspects of the vehicle for repair, maintenance, and refurbishment.
Technical Detail:
Detailed procedures, specifications, and diagrams for expert-level work.
Engine:
Complete overhaul, troubleshooting, tuning, fuel injection, ignition, lubrication, cooling
Transmission:
Gearbox disassembly, assembly, repair, clutch operation, final drive
Chassis:
Frame, suspension (front and rear), steering, wheels, tires
Electrical System:
Wiring diagrams, battery, alternator, starter, lighting, instrumentation, ignition system components
Braking System:
Hydraulic systems, ABS (if equipped), brake pads, discs, lines, master cylinders
Bodywork:
Fairings, body panels, seating, luggage systems (if applicable)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, brake fluid flush, coolant checks
Repair:
Component-level repair and replacement for all major systems
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault finding charts
Rebuilding:
Detailed instructions for engine and transmission rebuilds
Restoration:
Guidance on refurbishing and restoring the motorcycle to original specifications
Depth Level:
Comprehensive (from basic servicing to complete engine rebuilds and advanced diagnostics)
Engine Type:
Air-cooled, four-stroke, boxer twin
Bore X Stroke:
90.0 mm x 66.0 mm
Compression Ratio:
10.0:1
Horsepower:
70 hp (51 kW) @ 7250 rpm (approximate, varies slightly by market)
Torque:
75 Nm (55 lb-ft) @ 5500 rpm (approximate)
Fuel Delivery:
Bosch Motronic MA 2.2 fuel injection
Fuel Type:
Unleaded gasoline (91-98 RON / 87-93 AKI)
Fuel Tank Capacity:
26 Liters (6.9 US gal)
Oil Type:
SAE 20W-50 API SG or higher (check manual for exact BMW approval)
Oil Capacity:
3.0 Liters (3.2 US qt) with filter change
Gearbox Type:
5-speed manual, constant mesh
Clutch Type:
Single dry plate, cable-operated
Transmission Options:
N/A (5-speed manual was standard)
Final Drive Oil:
SAE 80W-90 API GL-5 (check manual for exact BMW approval)
Length:
2230 mm (87.8 in)
Width:
830 mm (32.7 in) (over handlebars)
Height:
1360 mm (53.5 in) (to handlebars)
Wheelbase:
1430 mm (56.3 in)
Dry Weight:
213 kg (470 lbs)
Wet Weight:
235 kg (518 lbs) (approximate, with fluids)
Load Capacity:
Not specified (typical for touring motorcycles, user discretion required)
Safety Ratings:
Not Applicable (Motorcycle specific safety standards differ from cars)
ABS:
Optional BMW Motorrad ABS (Anti-lock Braking System)
Braking Front:
Dual 305 mm discs, 4-piston calipers
Braking Rear:
Single 276 mm disc, 2-piston caliper
Lighting:
Halogen headlight, LED taillight
Frame Construction:
Steel tube frame
Infotainment System:
Basic instrumentation: speedometer, tachometer, odometer, fuel gauge, oil pressure warning light.
ABS Availability:
Optional BMW Motorrad ABS system
Connectivity Features:
N/A (pre-dates modern connectivity standards)
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first (check manual for exact recommendation).
Valve Clearance Check:
Every 20,000 km (12,000 miles) (check manual for exact recommendation).
Spark Plug Replacement:
Every 20,000 km (12,000 miles) (check manual for exact recommendation).
Brake Fluid:
DOT 4 (check manual for specific BMW approval)
Coolant:
N/A (Air-cooled engine)
Common Wear Items:
Clutch wear, fork seals, alternator brushes, fuel pump reliability, ABS sensor issues (if equipped).
Electrical Gremlins:
Typical of older BMWs, intermittent issues with wiring harness or connectors can occur.
Bmw Motorcycle Division:
BMW's rich history in motorcycle engineering dating back to the early 20th century.
R850R Lineage:
Part of BMW's 'R' series, known for its boxer twin engines, introduced as a more accessible alternative to larger displacement models.
Predecessors:
Shared many components and design philosophies with the R100R and R1100R models.
Production Period:
1994-2006 (approximately)
Manufacturing Location:
Berlin-Spandau, Germany
