2005 BMW F 650 CS Technical Analysis & Specification Breakdown
Positioned in BMW's naked motorcycle lineup, the 2005 BMW F 650 CS utilizes a 652 cc (39.8 cu in) liquid-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 49.6 HP (36.2 kW) at 6,500 rpm while maximum torque reaches 62 Nm (45.7 lb-ft) at 5,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and belt final drive. With a specific output of 76.1 HP per liter and a 1,000 rpm working window between peak torque (5,500 rpm) and peak power (6,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the F 650 CS measures 187 kg (412 lbs) wet (curb), translating to a power-to-weight ratio of 0.27 HP/kg (3.77 kg per horsepower). Rider ergonomics and chassis geometry center around a 780 mm (30.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,493 mm (58.8 in) wheelbase engineered for balanced agility and highway composure. The 15-liter (4 US gal) fuel tank paired with a rated consumption of 3 L/100 km provides an estimated theoretical range of roughly 500 km (311 miles) between fill-ups, while factory top speed is listed at 178 km/h (111 mph).
Within MotoLibrary's BMW archive, this model family spans 3 indexed model years from 2003 to 2005, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
76.1 HP/L
Power-to-Weight
0.27 HP/kg (3.77 kg/HP)
Power Band Window
5,500–6,500 rpm
Theoretical Range
~500 km (311 mi)
Engine
Displacement652.0 ccm (39.79 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power49.6 HP (36.2 kW)) @ 6500 RPM
Torque62.0 Nm (6.3 kgf-m or 45.7 ft.lbs) @ 5500 RPM
ClutchMultiple-disc clutch in oil-bath, mechanically operated
Performance
Top Speed178.0 km/h (110.6 mph)
Fuel Consumption3.00 litres/100 km (33.3 km/l or 78.41 mpg)
Greenhouse Gases69.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeBridging frame, steel section, with integrated oil tank and bolted-on rear frame
Rake27.9°
Trail86 mm (3.4 inches)
Front SuspensionTelescopic fork, stanchion diameter 41 mm
Front Travel35 mm (1.4 inches)
Rear SuspensionDie-cast aluminium single-sided swinging arm with rear wheel axle and eccentric adjustment, central spring strut action via lever system
Rear Travel135 mm (5.3 inches)
Wheelbase1493 mm (58.8 inches)
Wheels & Brakes
Front Tyre110/70-ZR17
Rear Tyre170/60-ZR17
Front BrakesDouble disc
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Ø240 mm (9.4 inches)
Dimensions & Weight
Dry Weight169.6 kg (373.9 pounds)
Weight incl.187.0 kg (412.3 pounds)
Power/Weight0.2925 HP/kg
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.