Positioning:
The BMW F650CS (also known as the 'Scarver') was positioned as a versatile, urban-focused motorcycle with a unique blend of sporty styling and practical usability, targeting riders seeking a stylish and accessible entry into BMW's motorcycle lineup.
Competition:
Competed against a range of lightweight naked bikes, sport-tourers, and some performance-oriented commuters from manufacturers like Ducati (Monster series), Suzuki (SV650), Kawasaki (ER-6f), and Yamaha (FZ6).
Features:
Distinctive single-sided swingarm, distinctive fairing design, comfortable seating position, accessible seat height, integrated luggage system (optional), focus on agility and everyday usability.
Engine:
Complete engine overhaul, diagnostics, tuning, fuel injection system, ignition system, cooling system, lubrication system, exhaust system, emissions control.
Transmission:
Clutch system, gearbox overhaul, final drive, shifting mechanisms, lubrication.
Brakes:
Front and rear brake system overhaul, ABS diagnostics and repair (if equipped), brake fluid replacement, pad and disc replacement.
Electrical:
Wiring diagrams, battery system, charging system, lighting system, starter system, instrument cluster, ignition switch, fuse box, relays, sensors.
Chassis And Suspension:
Front fork overhaul and adjustment, rear shock absorber replacement, wheel bearings, steering system, swingarm service, frame inspection.
Bodywork And Plastics:
Fairing removal and installation, seat components, fuel tank, fender replacement, accessory mounting.
Fuel System Details:
Detailed procedures for fuel injector cleaning, fuel pump testing and replacement, fuel pressure regulator diagnosis, and throttle body synchronization.
Ignition System Details:
Covers spark plug specifications, ignition coil testing, crankshaft position sensor (CKP) diagnosis, and camshaft position sensor (CMP) diagnosis.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, chain adjustment and lubrication, brake bleeding, coolant flush.
Diagnostics:
Troubleshooting guides for common and uncommon issues, fault code interpretation, diagnostic connector access, electrical system testing.
Repair:
Detailed step-by-step repair procedures for all major components and systems, including component removal, disassembly, inspection, repair, reassembly, and adjustment.
Technical Specifications:
Torque specifications for all fasteners, clearances, fluid capacities, part numbers, wiring schematics, exploded views.
Troubleshooting Charts:
Includes detailed troubleshooting charts organized by symptom to diagnose electrical and mechanical issues efficiently.
Wheel And Tire Service:
Procedures for wheel removal and installation, tire mounting and balancing, wheel bearing replacement, and spoke tensioning (if applicable to specific wheel types).
Depth:
Comprehensive, covering from basic maintenance to full engine and transmission rebuilds, suitable for professional technicians and advanced DIY enthusiasts.
Engine Type:
Four-stroke, liquid-cooled, parallel-twin cylinder
Bore X Stroke:
100 mm x 83 mm
Compression Ratio:
10.0:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower:
50 hp (37 kW) @ 6,500 rpm (approximate, subject to regional variations)
Torque:
44.25 lb-ft (60 Nm) @ 5,000 rpm (approximate, subject to regional variations)
Fuel Delivery:
Electronic Fuel Injection (EFI) with BMS-K control unit
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/95 RON
Cooling Medium:
Liquid (water/glycol mixture)
Oil Type:
Fully synthetic motorcycle oil, SAE 20W-50 or 15W-50 (refer to manual for exact BMW specifications)
Oil Capacity:
Approx. 2.7 liters (2.87 US qt) with filter change
Length:
Approx. 2,140 mm (84.25 in)
Width:
Approx. 860 mm (33.86 in) at handlebars
Height:
Approx. 1,220 mm (48.03 in) at windshield
Wheelbase:
Approx. 1,460 mm (57.48 in)
Seat Height:
Approx. 775 mm (30.5 in)
Dry Weight:
Approx. 173 kg (381 lbs)
Gross Vehicle Weight Rating:
Approx. 365 kg (805 lbs)
Fuel Tank Capacity:
15 liters (3.96 US gal), including a reserve of approx. 3 liters
Safety Features Focus:
Designed with rider control and stability as primary safety considerations. ABS was an optional feature on some models.
Braking System:
Disc brakes front and rear; Optional BMW Motorrad ABS (Anti-lock Braking System)
Lighting:
Halogen headlamp, LED taillight, turn signals
Frame Construction:
Steel trellis frame for rigidity and rider feedback
Ergonomics:
Low seat height and upright riding position for enhanced rider confidence and control.
Infotainment System:
N/A (no integrated infotainment system as understood in modern vehicles)
ABS:
Optional ABS system available on certain models, providing enhanced braking stability.
Connectivity Features:
N/A
Dashboard:
Analog tachometer, digital speedometer, LCD display for odometer, trip meter, clock, coolant temperature, fuel level, and warning lights. Diagnostic port access for electronic troubleshooting.
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first
Major Service Interval:
Every 20,000 km (12,000 miles), including valve clearance checks and spark plug replacement
Chain Maintenance:
Lubricate and adjust chain every 1,000 km (600 miles) or as needed
Coolant Type:
BMW recommended coolant concentrate (ethylene glycol based), mixed 50/50 with distilled water. Specific BMW part number required, e.g., BMW Advanced Coolant.
Brake Fluid Type:
DOT 4 brake fluid
Fork Oil Type:
SAE 7.5W or equivalent motorcycle fork oil. Manual specifies exact type and quantity.
Common Wear Items:
Chain and sprockets, rear brake pads, fork seals (due to potential exposure), clutch slave cylinder seals.
Electrical Concerns:
Occasional issues with starter solenoid reliability, stator output degradation, and corrosion on electrical connectors.
Engine Performance:
Some instances of rough idle or lean fuel mixture complaints, often addressable via ECU reflash or fuel system cleaning. Fuel pump can be a wear item.
Brand History:
BMW Motorrad, a division of Bayerische Motoren Werke AG, has a long and storied history dating back to the early 20th century, renowned for engineering excellence, innovation, and performance across a wide range of motorcycle types.
F Series Development:
The F650CS was part of BMW's F-series, which initially used Rotax-manufactured engines. The F650CS introduced a more modern, urban-focused design compared to its dual-sport predecessors like the F650GS (Funduro).
Production Years:
2000-2005
Manufacturing Location:
Aprilia factory in Italy (under contract with BMW)