2005 BMW F 650 GS Technical Analysis & Specification Breakdown
Built around BMW's enduro - offroad motorcycle platform, the 2005 BMW F 650 GS features a 652 cc (39.8 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 49.6 HP (36.2 kW) at 6,500 rpm while maximum torque reaches 60 Nm (44.3 lb-ft) at 4,800 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 76.1 HP per liter and a 1,700 rpm working window between peak torque (4,800 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 GS measures 192 kg (423 lbs) wet (curb), translating to a power-to-weight ratio of 0.26 HP/kg (3.87 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 1,479 mm (58.2 in) wheelbase engineered for balanced agility and highway composure. The 17.3-liter (4.6 US gal) fuel tank paired with a rated consumption of 3.2 L/100 km provides an estimated theoretical range of roughly 541 km (336 miles) between fill-ups, while factory top speed is listed at 170 km/h (106 mph).
Within MotoLibrary's BMW archive, this model family spans 10 indexed model years from 2001 to 2012, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
76.1 HP/L
Power-to-Weight
0.26 HP/kg (3.87 kg/HP)
Power Band Window
4,800–6,500 rpm
Theoretical Range
~541 km (336 mi)
Engine
Displacement652.0 ccm (39.79 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power49.6 HP (36.2 kW)) @ 6500 RPM
Torque60.0 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 4800 RPM
ClutchMultiple-disc clutch in oil bath, mechanically operated
Performance
Top Speed170.0 km/h (105.6 mph)
Fuel Consumption3.20 litres/100 km (31.3 km/l or 73.51 mpg)
Greenhouse Gases74.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Frame TypeBridge-type steel section frame with bolted-on rear section
Rake29.2°
Trail113 mm (4.5 inches)
Front SuspensionTelescopic fork, stanchion diameter 41 mm, fork stabiliser
Front Travel41 mm (1.6 inches)
Rear SuspensionBox-section steel section dual swing arm, central spring strut action via lever system, spring pre-load hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable
Rear Travel135 mm (5.3 inches)
Wheelbase1479 mm (58.2 inches)
Wheels & Brakes
Front Tyre100/90-S19
Rear Tyre130/80-S17
Front BrakesSingle disc. Two-piston calipers.
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc. Single-piston caliper.
Rear Brake Ø240 mm (9.4 inches)
WheelsWire spoke wheels
Dimensions & Weight
Dry Weight175.4 kg (386.7 pounds)
Weight incl.192.0 kg (423.3 pounds)
Power/Weight0.2828 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.
