Segment:
Sport-touring motorcycle, positioned as a more accessible and user-friendly alternative to the larger R1100 series, offering classic BMW boxer character.
Key Competitors:
Competed against models from manufacturers like Moto Guzzi, Honda (ST series), Kawasaki (GTR series), and Yamaha (FJ series) in the sport-touring and touring segments.
Unique Selling Points:
Characterized by its boxer-twin engine, shaft drive, robust build quality, comfortable ergonomics, and BMW's reputation for reliability and engineering.
Coverage Scope:
Comprehensive service and repair instructions for the BMW R850R 1995 model.
Estimated Page Count:
Approximately 300-500 pages (typical for this era's workshop manuals, exact count not provided).
Manual Type:
Service Repair Workshop Manual
Language:
English (typical for international market manuals).
Format:
Likely a digital format (e.g., PDF) as common for modern sales, but could also refer to a printed reproduction.
Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly of the R850R's Boxer engine (cylinder head, pistons, crankshaft, valve train, oil pump, etc.).
Fuel System:
Carburetor systems (if applicable, though 1995 models often featured fuel injection), fuel pump, fuel lines, fuel tank, and related components.
Ignition System:
Spark plugs, ignition coils, ECU (if applicable), wiring, and troubleshooting of ignition-related faults.
Electrical System:
Wiring diagrams, battery, charging system (alternator, voltage regulator), starter motor, lighting system, instruments, and control units.
Transmission:
Clutch operation, gearbox disassembly, inspection, repair, and reassembly, including shifting mechanisms and final drive.
Brakes:
Front and rear brake systems, including hydraulic lines, master cylinders, calipers, brake pads, discs, and ABS (if equipped).
Suspension Steering:
Front fork (telescopic or Paralever system), rear shock absorber, swingarm, wheel bearings, steering head bearings, and steering linkage.
Chassis Frame:
Frame inspection, maintenance of frame-mounted components, and bodywork removal/installation.
Bodywork:
Fairings, fuel tank, seat, fenders, and other cosmetic and structural body components.
Routine Maintenance:
Oil changes, filter replacements, spark plug servicing, chain adjustment (if applicable), brake fluid checks, tire pressure, and general inspection points.
Troubleshooting Diagnostics:
Systematic diagnostic procedures for identifying and resolving common and uncommon faults across all major vehicle systems.
Component Overhaul:
Detailed step-by-step instructions for the complete overhaul of major engine, transmission, and electrical components.
Special Tools Procedures:
Identification and usage instructions for specialized tools required for specific repair and maintenance tasks.
Depth Of Information:
Comprehensive, covering everything from basic user maintenance to full engine rebuilds and electrical system diagnostics.
Digital Format Quality:
Assumed high-quality PDF with searchable text and clear, legible diagrams if digital. If physical, print quality would be professional.
Diagram Clarity:
Expected to be high, with detailed exploded views, wiring diagrams, and component illustrations critical for mechanic use.
Binding Type Physical:
If printed, likely a sturdy, lay-flat binding suitable for workshop environments (e.g., spiral-bound or comb-bound).
Paper Type Physical:
If printed, typically on durable, high-quality paper to withstand grease and frequent handling.
Engine Type:
Air-cooled, four-stroke, horizontally opposed twin-cylinder (Boxer) engine.
Displacement:
848 cc (cubic centimeters)
Bore X Stroke:
90.0 mm x 66.0 mm (approximate, typical for R850 variant)
Compression Ratio:
9.0:1 (typical for R850 series)
Valve Train:
Two valves per cylinder, pushrod operated overhead valves (OHV).
Horsepower:
Approximately 70-77 hp (Horsepower) at 7,500 rpm (may vary slightly by market/tune).
Torque:
Approximately 77-80 Nm (Newton-meters) or 57-59 lb-ft at 6,000 rpm (may vary slightly).
Fuel Delivery:
Bosch Motronic electronic fuel injection (EFI) system on most 1995 models.
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2 / 87 AKI (US).
Oil Capacity:
Approximately 2.5 - 3.0 liters (including filter).
Oil Specification:
API SG or higher, SAE 20W-50 motorcycle-specific engine oil (refer to manual for exact BMW specification).
Transmission Type:
Five-speed manual gearbox.
Clutch Type:
Single dry-plate clutch.
Final Drive:
Shaft drive with universal joint and bevel gear.
Gear Ratios:
Specific ratios would be detailed in the manual; typically around 1st: 3.45, 2nd: 2.37, 3rd: 1.78, 4th: 1.34, 5th: 1.05. Final drive ratio typically 3.00 or similar.
Transmission Fluid:
Gearbox oil: API GL-5, SAE 75W-90 (typically, confirm with manual).
Length:
Approx. 2,170 mm (85.4 in)
Width:
Approx. 810 mm (31.9 in) at handlebars
Height:
Approx. 1,260 mm (49.6 in) at handlebars
Dry Weight:
Approx. 212 kg (467 lbs)
Wet Weight:
Approx. 235 kg (518 lbs) (fully fueled, with fluids)
Gross Vehicle Weight Rating:
Not typically specified as a GVWR for motorcycles, but payload capacity would be detailed.
Fuel Tank Capacity:
Approx. 23 liters (6.1 US gallons)
Crash Test Results:
Motorcycles are not subjected to standardized crash testing like automobiles; safety is inherent in design and rider skill.
Braking System:
Integral ABS II (Anti-lock Braking System) was often an option, offering advanced braking safety. Standard front and rear disc brakes.
Lighting:
Halogen headlight, LED taillight (typical for the era), turn signals, and brake lights.
Chassis Design:
Robust steel tubing frame providing structural integrity.
Ergonomics:
Comfortable riding position for touring and long-distance travel, contributing to rider fatigue reduction.
Infotainment Systems:
Basic instrumentation: speedometer, tachometer, odometer, trip meter, fuel level warning light, oil pressure warning light, and engine fault indicator. No advanced infotainment systems present.
ABS System:
Optional ABS II system, a significant safety technology for its time, integrated into the braking system.
Connectivity Features:
No modern connectivity features like Bluetooth or smartphone integration. Primarily mechanical and basic electrical systems.
Oil Change Interval:
Typically every 10,000 km (6,000 miles) or annually, whichever comes first.
Major Service Interval:
Major inspections and services (valve adjustments, spark plug replacement, fluid flushes) usually recommended every 20,000-30,000 km (12,000-18,000 miles).
Brake Fluid:
DOT 4 synthetic brake fluid.
Coolant Type:
Air-cooled engine, no coolant required.
Common Wear Items:
Wheel bearings, steering head bearings, clutch wear, and occasional regulator/rectifier issues are common as with many motorcycles of this era.
Engine Longevity:
BMW boxer engines are renowned for their durability; with proper maintenance, these engines can exceed 200,000 miles.
Typical Schedule Summary:
Includes regular checks of tire pressure and tread depth, brake pad and fluid levels, chain/shaft drive lubrication and adjustment, engine oil and filter changes, and annual battery checks.
Bmw Motorrad Legacy:
BMW Motorrad has a long and storied history of producing reliable, well-engineered motorcycles, particularly known for its boxer-twin engines and shaft drive since the 1920s.
R850R Placement:
The R850R was introduced as a smaller displacement variant of the R1100 series, offering a more manageable and often more affordable entry into BMW's boxer-twin touring platform.
Production Period:
The R850R model line was produced from the mid-1990s through the early 2000s, with the 1995 model being one of the earliest iterations.
Manufacturing Location:
Primarily manufactured in Berlin, Germany, at BMW's motorcycle production facility.
