Segment:
Adventure Touring Motorcycle
Target User:
Motorcyclists seeking long-distance touring, off-road capability, and robust build quality.
Key Competitors Era:
KTM 950/990 Adventure, Honda Africa Twin (pre-2016 models), Triumph Tiger series, Yamaha Super Ténéré.
Engine Type:
Air/oil-cooled, four-stroke, horizontally-opposed twin-cylinder engine (Boxer engine).
Suspension Type:
BMW Telelever front suspension, BMW Paralever rear suspension.
Drivetrain Type:
Shaft drive.
Adventure Specifics:
Larger fuel tank capacity, enhanced suspension travel, robust protection for engine and bodywork, spoke wheels.
Engine Systems:
Engine disassembly, assembly, tuning, fuel injection, ignition, oil system, cooling system, exhaust system, lubrication.
Transmission Drivetrain:
Clutch, gearbox (transmission) repair and overhaul, final drive, driveshaft, universal joint.
Chassis Suspension:
Frame, front fork (Telelever), rear suspension (Paralever), wheel bearings, steering head bearings.
Electrical System:
Battery, charging system (alternator, regulator), starter motor, lighting, instruments, ECU, wiring diagrams, diagnostic codes.
Braking System:
Brake caliper overhaul, master cylinder repair, brake lines, ABS system (if applicable), brake fluid replacement.
Fuel System:
Fuel tank, fuel pump, fuel filter, fuel injectors, throttle body synchronization.
Bodywork Fairings:
Fairing removal and installation, body panel repair and replacement, seat, luggage systems.
Maintenance Procedures:
Regular scheduled maintenance, oil changes, filter replacements, spark plug servicing, valve clearance adjustment, brake bleeding, chain lubrication and adjustment (if applicable to model).
Troubleshooting:
Diagnostic procedures for common faults, electrical system diagnostics, engine performance issues, component-specific troubleshooting guides.
Repair Procedures:
Step-by-step instructions for component repair and replacement, full engine rebuilds, gearbox overhauls, suspension component replacement.
Technical Specifications:
Torque specifications for all fasteners, fluid capacities, part numbers, wiring diagrams, diagnostic trouble codes (DTCs).
Depth Of Coverage:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds. Includes advanced diagnostics and repair techniques.
File Type:
PDF (Portable Document Format)
Searchability:
Searchable text content for quick access to information.
Diagram Quality:
High-quality diagrams and illustrations.
Image Clarity:
Top-quality images and graphics for clear instruction.
Digital Binding:
N/A (Digital Download)
Digital Paper Type:
N/A (Digital Download - printable)
Engine Type:
Four-stroke, horizontally-opposed twin-cylinder (Boxer)
Displacement:
1170 cc (1.17 Liters)
Bore X Stroke:
101 mm x 73 mm
Compression Ratio:
12.0 : 1
Valve Train:
DOHC (Double Overhead Camshaft), 4 valves per cylinder
Max Horsepower:
100 hp (74 kW) at 7,500 rpm
Max Torque:
115 Nm (85 lb-ft) at 6,000 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with dual throttle bodies
Fuel Type:
Unleaded gasoline, minimum 95 RON
Cooling Method:
Air/Oil cooled
Transmission Type:
6-speed manual gearbox
Clutch Type:
Single dry plate, hydraulically operated
Gear Ratios:
1st: 2.375, 2nd: 1.778, 3rd: 1.379, 4th: 1.156, 5th: 1.000, 6th: 0.837
Transmission Oil Spec:
Refer to manual for specific API GL-5 gear oil, e.g., BMW Hypoid Gear Oil.
Length:
Approx. 2230 mm (87.8 in)
Width Over Handlebars:
Approx. 950 mm (37.4 in)
Height Seat Height Adjustable:
Approx. 890 mm (35.0 in) - 910 mm (35.8 in)
Dry Weight:
Approx. 223 kg (491.6 lbs)
Curb Weight:
Approx. 256 kg (564.4 lbs) (fully fueled, ready to ride)
Gross Vehicle Weight Rating:
450 kg (992 lbs)
Fuel Tank Capacity:
33 Liters (8.7 US gal)
Luggage Capacity:
Standard aluminum panniers and top case (optional or included depending on specific model year/package).
ABS Availability:
Optional (BMW Motorrad ABS)
Braking System:
Dual 305 mm discs with 4-piston calipers (front), Single 265 mm disc with 2-piston caliper (rear).
Traction Control:
Optional (ASC - Automatic Stability Control) on later models, not typically standard on 2005-2007 K25.
Lighting:
Halogen headlamp, LED taillight, turn signals.
Chassis Design:
Robust construction for touring and off-road use, engine crash bars.
Instrument Cluster:
Analog tachometer, digital speedometer, LCD display for trip computer, gear indicator, fuel level, service indicators.
ABS:
Optional BMW Motorrad Integral ABS (can be deactivated for off-road use).
Diagnostic Interface:
OBD-II compatible port, typically requiring a BMW-specific diagnostic tool for advanced functions.
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually.
Valve Clearance Check:
Every 20,000 km (12,000 miles).
Spark Plug Replacement:
Refer to manual, typically around 40,000 km (24,000 miles) for platinum plugs.
Brake Fluid Flush:
Every 2 years.
Engine Oil Type:
BMW Motorrad recommends specific grades, often semi-synthetic or fully synthetic SAE 15W-50 or 20W-50 API SG/SH/SJ/SL or JASO MA.
Engine Oil Capacity:
Approx. 4.0 Liters (4.2 US qt) with filter change.
Coolant Type:
BMW Advanced Antifreeze/Coolant (blue or black variant depending on region/year)
Common Wear Item:
Clutch slave cylinder seal leakage, rear driveshaft splines (requires lubrication), Telelever ball joint wear.
Electrical Quirks:
Potential for ABS sensor issues, CAN bus communication errors (though less common on early K25).
Engine Specifics:
Occasional fuel pump issues, throttle body synchronization drift.
Manufacturer:
Bayerische Motoren Werke AG (BMW)
Motorcycle Division:
BMW Motorrad
R Series Legacy:
Continuation of BMW's long-standing boxer-engine motorcycle tradition, evolving from earlier R1150GS Adventure models.
K25 Generation:
First generation of the liquid-cooled (partially, oil-cooled) R 1200 GS platform, marking a significant technological advancement over the R1150 series.
Manufacturing Location:
Berlin, Germany (BMW Motorrad plant)
