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Enduro - Offroad · 2003

F 650 CS

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MotoLibrary Score
50 /100 Balanced
Power/Weight
0.26 hp/kg
Top Speed
175 km/h
Torque
60 Nm
Engine
652 ccm

2003 BMW F 650 CS Technical Analysis & Specification Breakdown

Built around BMW's enduro - offroad motorcycle platform, the 2003 BMW F 650 CS relies on a 652 cc (39.8 cu in) liquid-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 50 HP (36.5 kW) at 6,500 rpm while maximum torque reaches 59.7 Nm (44 lb-ft) at 5,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and belt final drive. With a specific output of 76.7 HP per liter and a 1,500 rpm working window between peak torque (5,000 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 193 kg (425 lbs) dry, translating to a power-to-weight ratio of 0.26 HP/kg (3.86 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 supports practical everyday commuting and weekend road stints, while factory top speed is listed at 175 km/h (109 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
76.7 HP/L
Power-to-Weight
0.26 HP/kg (3.86 kg/HP)
Power Band Window
5,000–6,500 rpm
Standover Height
780 mm (30.7 in)
Engine
Displacement 652.0 ccm (39.79 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 50.0 HP (36.5 kW)) @ 6500 RPM
Torque 59.7 Nm (6.1 kgf-m or 44.0 ft.lbs) @ 5000 RPM
Compression 11.5:1
Valves/Cylinder 4
Fuel System Injection
Fuel Control Double Overhead Cams/Twin Cam (DOHC)
Ignition Electronic ignition integrated with fuel management
Cooling Liquid
Transmission
Gearbox 5-speed
Final Drive Belt (final drive)
Performance
Top Speed 175.0 km/h (108.7 mph)
Chassis
Frame Type Bridging, steel
Front Suspension Telescopic fork, 41 mm
Rear Suspension Steel swingarm with progressive shock linkage
Wheelbase 1479 mm (58.2 inches)
Wheels & Brakes
Front Tyre 110/70-ZR17
Rear Tyre 160/60-ZR17
Front Brakes Single disc. Two-piston calipers.
Front Brake Ø 300 mm (11.8 inches)
Rear Brakes Single disc. Single-piston caliper.
Rear Brake Ø 240 mm (9.4 inches)
Dimensions & Weight
Dry Weight 193.0 kg (425.5 pounds)
Power/Weight 0.2591 HP/kg
Seat Height 780 mm (30.7 inches) If adjustable, lowest setting.
Overall Width 650 mm (25.6 inches)
Fuel Capacity 17.30 litres (4.57 US gallons)
Reserve Fuel 4.50 litres (1.19 US gallons)
Oil Capacity 2.50 litres (2.64 US quarts)
Other
Starter Electric
Color Options Orange, Blue
More from BMW
Buying Checklist

Before You Compare This Bike

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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
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Weight
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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.
Rider Profile

Who Is This Bike For?

🟡
Intermediate
Requires some riding experience.
🌲
Best For
Off-Road & Adventure
📏
Seat Height
78 cm / 30.7 in
⚖️
Handling
Medium weight — some experience needed
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