BMW F 650 CS - 2005 Specifications and Reviews

The 2005 BMW F 650 CS is a lightweight naked bike designed for beginner and intermediate riders seeking accessible performance and everyday practicality. Its 652cc single-cylinder engine delivers responsive torque with fuel injection reliability, making it ideal for commuting and leisurely riding. Best known for its low seat height, manageable power delivery, and BMW engineering quality.

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General information

CategoryNaked bike
Year2005
ModelBMW F 650 CS

Engine and Transmission Specifications

ClutchMultiple-disc clutch in oil-bath, mechanically operated
Transmission typefinal driveBelt
Gearbox5-speed
Cooling systemLiquid
Lubrication systemDry sump
StarterElectric
Fuel controlDOHC
Valves per cylinder4
Fuel systemInjection. Electronic intake pipe injection / BMW engine management, dual ignition
Bore x stroke100.0 x 83.0 mm (3.9 x 3.3 inches)
Compression11.5:1
Torque62.00
Power49.61
Stroke4
Engine typeSingle cylinder
Capacity:652.00 ccm (39.79 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,493 mm (58.8 inches)
Overall width915 mm (36.0 inches)
Overall length2,142 mm (84.3 inches)
Overall height1,158 mm (45.6 inches)
Seat height780 mm (30.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc187.0 kg (412.3 pounds)
Dry weight169.6 kg (373.9 pounds)

BMW F 650 CS dimensions and frame

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesDouble disc
Rear tyre dimensions170/60-ZR17
Front tyre dimensions110/70-ZR17
Rear suspension travel135 mm (5.3 inches)
Rear suspensionDie-cast aluminium single-sided swinging arm with rear wheel axle and eccentric adjustment, central spring strut action via lever system
Front suspension travel35 mm (1.4 inches)
Front suspensionTelescopic fork, stanchion diameter 41 mm
Trail86 mm (3.4 inches)
Rake (fork angle)27.9°
Frame typeBridging frame, steel section, with integrated oil tank and bolted-on rear frame

Speed and acceleration

Power/weight ratio0.2925 HP/kg
Top speed178.0 km/h (110.6 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel consumption pr. 10 km (6.2 miles)3.00 litres (0.79 gallons)
Fuel capacity15.00 litres (3.96 gallons)

Performance Profile & Rider Fit

49.6 hp
Peak Power
7.5s
0-60 mph
110.6 mph
Top Speed

Best For

Track20%
City75%
Cornering55%
Daily Riding72%
Touring45%
Passenger50%

Rider Profile

Best ForWell suited to newer or returning riders thanks to its modest power delivery and low-stress single-cylinder character.
PurposeDesigned as an urban commuter and light sport-tourer rather than a performance or adventure machine.
Rider FitThe low seat height and manageable weight make it accessible to shorter or less physically strong riders.
CharacterA quirky, scooter-influenced naked bike with a belt drive and single-cylinder torquey feel favoring relaxed, practical riding over outright speed.
Not Ideal ForNot a good match for riders wanting high-speed thrills, off-road capability, or long-distance touring comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2005 BMW F 650 CS Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2005 BMW F 650 CS, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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