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MotoLibrary Score
48/100Balanced
Power/Weight
0.37 hp/kg
Torque
60 Nm
Engine
652 ccm
Technical Overview
2007 BMW G650X Challenge Technical Analysis & Specification Breakdown
Engineered by BMW for the enduro - offroad motorcycle segment, the 2007 BMW G650X Challenge features a 652 cc (39.8 cu in) liquid-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 53 HP (38.7 kW) at 7,000 rpm while maximum torque reaches 60 Nm (44.3 lb-ft) at 5,250 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 81.3 HP per liter and a 1,750 rpm working window between peak torque (5,250 rpm) and peak power (7,000 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 G650X Challenge measures 144 kg (317 lbs) dry, translating to a power-to-weight ratio of 0.37 HP/kg (2.72 kg per horsepower). Rider ergonomics and chassis geometry center around a 930 mm (36.6 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,500 mm (59.1 in) wheelbase engineered for balanced agility and highway composure. The 9.5-liter (2.5 US gal) fuel tank paired with a rated consumption of 5.1 L/100 km provides an estimated theoretical range of roughly 186 km (116 miles) between fill-ups.
Specific Output
81.3 HP/L
Power-to-Weight
0.37 HP/kg (2.72 kg/HP)
Power Band Window
5,250–7,000 rpm
Theoretical Range
~186 km (116 mi)
Engine
Displacement652.0 ccm (39.79 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power53.0 HP (38.7 kW)) @ 7000 RPM
Torque60.0 Nm (6.1 kgf-m or 44.3 ft.lbs) @ 5250 RPM
Bore x Stroke100.0 x 83.0 mm (3.9 x 3.3 inches)
Fuel SystemInjection. Electronic fuel injection
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchWet, multi-disk
Performance
Fuel Consumption5.10 litres/100 km (19.6 km/l or 46.12 mpg)
Greenhouse Gases118.3 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis
Front Suspension45 mm UPSD fork
Rear SuspensionSwing arm
Wheelbase1500 mm (59.1 inches)
Wheels & Brakes
Front Tyre90/90-S21
Rear Tyre140/80-S18
Front BrakesSingle disc
Front Brake Ø300 mm (11.8 inches)
Rear BrakesSingle disc
Rear Brake Ø240 mm (9.4 inches)
Dimensions & Weight
Dry Weight144.0 kg (317.5 pounds)
Power/Weight0.3681 HP/kg
Seat Height930 mm (36.6 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
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Torque
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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.