Segment:
Lightweight dual-sport/commuter motorcycle.
Target Audience:
Riders seeking a versatile, reliable, and easy-to-handle motorcycle for urban commuting, touring, and light off-road use.
Competitors:
KTM Duke, Honda XR series, Yamaha XT series, Kawasaki KLR series.
Design Philosophy:
Practicality, user-friendliness, and BMW's renowned build quality adapted for a more accessible segment.
Unique Selling Points:
Rotax-designed engine (shared with other manufacturers), comfortable riding position, efficient fuel consumption, integrated storage solutions (optional).
Engine:
Engine mechanical (assembly, disassembly, inspection, specifications), engine management (EFI, sensors, actuators, diagnostics), lubrication, cooling, exhaust.
Transmission:
Clutch (operation, maintenance, replacement), gearbox (internal components, maintenance, repair).
Chassis:
Frame, suspension (front forks, rear shock absorber, linkages), steering system, wheel bearings.
Brakes:
Hydraulic brake system (front and rear calipers, master cylinders, brake lines, fluid), ABS system (if applicable), brake pad replacement, bleeding procedures.
Electrical:
Battery, charging system (alternator, regulator), starting system, ignition system, lighting system (headlight, taillight, indicators), instrumentation, wiring diagrams, fuses, relays, ECU.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel filter, fuel pressure regulation.
Bodywork:
Body panels, seat, fairings, fenders, mirrors, storage compartment.
Maintenance:
Routine checks (oil, coolant, tire pressure), oil changes, filter replacements, chain adjustment, spark plug replacement, brake pad inspection, coolant flush.
Troubleshooting:
Diagnostic procedures for common starting, running, electrical, and braking issues. Symptom-based troubleshooting guides.
Repair:
Detailed step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly for all major systems.
Technical Specifications:
Torque values for all fasteners, electrical specifications (resistance, voltage), diagnostic trouble codes (DTCs) and their meanings.
Depth:
Comprehensive, covering basic maintenance to complete engine and gearbox overhauls. Suitable for experienced DIY mechanics and professional technicians.
Engine Type:
Single-cylinder, four-stroke
Displacement:
652 cc (652 cubic centimeters)
Bore X Stroke:
100 mm x 83 mm (approximate)
Compression Ratio:
12.0:1 (typical)
Horsepower:
50 hp @ 7000 rpm (approximate)
Torque:
60 Nm @ 5250 rpm (approximate)
Fuel Delivery:
Electronic Fuel Injection (EFI), Bosch Motronic
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Cooling Method:
Liquid-cooled
Oil Type:
SAE 10W-40 or 15W-50, API SJ/SL or JASO MA/MA2 certified motorcycle oil.
Valve Train:
DOHC, 4 valves per cylinder
Length:
2180 mm (approximate)
Width:
880 mm (approximate, including mirrors)
Height:
1320 mm (approximate, excluding mirrors)
Seat Height:
800 mm (standard), optional lower seat available
Dry Weight:
170 kg (approximate)
Wet Weight:
188 kg (approximate, fully fueled)
Gross Vehicle Weight Rating:
375 kg (approximate)
Payload Capacity:
187 kg (approximate)
Fuel Tank Capacity:
17 liters (including 3-liter reserve)
Engine Oil Capacity:
2.4 liters (with filter change)
Coolant Capacity:
1.6 liters (approximate)
Crash Test Ratings:
N/A (Motorcycle safety is assessed differently, focusing on design and braking performance).
Braking System:
Dual disc front brake with twin-piston caliper, single disc rear brake with single-piston caliper. Optional ABS (Anti-lock Braking System) available on some models.
Lighting:
Halogen headlight, LED taillight, front and rear turn signals.
Frame Construction:
Aluminum perimeter frame.
Suspension Safety:
Stable chassis geometry and well-tuned suspension for predictable handling.
Instrumentation:
Analog tachometer, digital speedometer, odometer, trip meter, fuel gauge, coolant temperature gauge, clock, warning lights.
ABS:
Optional Anti-lock Braking System (ABS) for enhanced safety, particularly in emergency braking scenarios.
Diagnostic Port:
On-board diagnostics (OBD) port for engine management system scanning (requires specialized BMW diagnostic tools or compatible aftermarket scanners).
Storage:
Integrated storage compartment in the 'fuel tank' fairing, with optional panniers and top box available for touring.
Oil Change:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Air Filter:
Inspect every 10,000 km (6,000 miles), replace as needed.
Spark Plug:
Replace every 20,000 km (12,000 miles) or as specified by diagnostic checks.
Chain Maintenance:
Lubricate and adjust chain every 3,000 km (2,000 miles) or more frequently in dusty/wet conditions.
Valve Clearance:
Inspect/adjust every 20,000 km (12,000 miles).
Brake Fluid:
DOT 4 (or DOT 4 LV for ABS models)
Coolant:
BMW approved antifreeze/coolant concentrate, mixed 50/50 with distilled water.
Fork Oil:
Typically SAE 5W or 7.5W (refer to manual for exact specification and quantity per fork leg).
Common Problems:
Stalling at idle (can be related to throttle body, IAC valve, or fuel pump), potential clutch slave cylinder leaks, ABS sensor issues, regulator/rectifier failures (though less common than on earlier models).
Maintenance Tips:
Regular chain maintenance is crucial for longevity and smooth operation. Cleaning and lubricating the throttle body can resolve some idle issues.
Bmw Motorcycles:
BMW Motorrad has a long history of producing high-quality motorcycles, known for engineering excellence, durability, and rider comfort since the early 20th century.
F650 Series:
The F650CS (Class Style) was introduced as a more urban-oriented and stylish variant of the popular F650 Funduro, featuring a lower seat height, revised styling, and integrated storage options.
Manufacturing Location:
Produced in collaboration with Aprilia, at their plant in Italy (not Germany).
Production Period:
2001-2005
