2010 BMW G 450 X Technical Analysis & Specification Breakdown
At the heart of the 2010 BMW G 450 X enduro - offroad motorcycle, BMW relies on a 449.5 cc (27.4 cu in) liquid-cooled single cylinder, four-stroke powerplant. In factory specification, peak output is rated at 40.2 HP (29.4 kW) at 7,000 rpm while maximum torque reaches 42.8 Nm (31.6 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 89.4 HP per liter and a 500 rpm working window between peak torque (6,500 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 G 450 X measures 121 kg (267 lbs) wet (curb), translating to a power-to-weight ratio of 0.33 HP/kg (3.01 kg per horsepower). Rider ergonomics and chassis geometry center around a 955 mm (37.6 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,475 mm (58.1 in) wheelbase engineered for balanced agility and highway composure. The 8-liter (2.1 US gal) fuel tank paired with a rated consumption of 4.5 L/100 km provides an estimated theoretical range of roughly 178 km (111 miles) between fill-ups, while factory top speed is listed at 145 km/h (90 mph).
Within MotoLibrary's BMW archive, this model family spans 4 indexed model years from 2008 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
89.4 HP/L
Power-to-Weight
0.33 HP/kg (3.01 kg/HP)
Power Band Window
6,500–7,000 rpm
Theoretical Range
~178 km (111 mi)
Engine
Displacement449.5 ccm (27.43 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power40.2 HP (29.4 kW)) @ 7000 RPM
Torque42.8 Nm (4.4 kgf-m or 31.6 ft.lbs) @ 6500 RPM
Compression12.0:1
Bore x Stroke98.0 x 59.6 mm (3.9 x 2.3 inches)
Fuel SystemInjection. Electronic intake pipe injection / Keihin digital engine management with overrun fuel cut-off
CoolingLiquid
Transmission
Gearbox5-speed
Final DriveChain (final drive)
ClutchMultiple-disc clutch in oil bath, mechanically operated;
Performance
Top Speed145.0 km/h (90.1 mph)
Fuel Consumption4.50 litres/100 km (22.2 km/l or 52.27 mpg)
Greenhouse Gases104.4 CO2 g/km. (CO2 - Carbon dioxide emission)
ExhaustClosed-loop 3-way catalytic converter
Chassis
Frame TypeBridge-type frame made of stainless steel tubing
Rake28.2°
Trail96 mm (3.8 inches)
Front SuspensionUpside-down front fork, rebound and compression damping adjustable
Rear SuspensionDual swing arm made of aluminum beams, Ohlins rear shock, compression + rebound damping and spring preload adjustable
Wheelbase1475 mm (58.1 inches)
Wheels & Brakes
Front Tyre90/90-21
Rear Tyre140/80-18
Front BrakesSingle disc
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight111.0 kg (244.7 pounds)
Weight incl.121.0 kg (266.8 pounds)
Power/Weight0.3624 HP/kg
Seat Height955 mm (37.6 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
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.
