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Cross - Motocross · 2008

BX 449 Cross

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MotoLibrary Score
45 /100 Balanced
Power
55 HP
Torque
45 Nm
Engine
449 ccm

2008 Benelli BX 449 Cross Technical Analysis & Specification Breakdown

Positioned in Benelli's cross - motocross motorcycle lineup, the 2008 Benelli BX 449 Cross features a 449 cc (27.4 cu in) single cylinder, four-stroke configuration. In factory specification, peak output is rated at 55.4 HP (40.4 kW) at 9,500 rpm while maximum torque reaches 45 Nm (33.2 lb-ft) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 123.4 HP per liter and a 2,500 rpm working window between peak torque (7,000 rpm) and peak power (9,500 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

Rider ergonomics and chassis geometry center around a 960 mm (37.8 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,450 mm (57.1 in) wheelbase engineered for balanced agility and highway composure. The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Benelli archive, this model family spans 3 indexed model years from 2008 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
123.4 HP/L
Power Band Window
7,000–9,500 rpm
Standover Height
960 mm (37.8 in)
Engine
Displacement 449.0 ccm (27.40 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Power 55.4 HP (40.4 kW)) @ 9500 RPM
Torque 45.0 Nm (4.6 kgf-m or 33.2 ft.lbs) @ 7000 RPM
Compression 12.5:1
Bore x Stroke 98.0 x 59.5 mm (3.9 x 2.3 inches)
Valves/Cylinder 4
Fuel System Carburettor
Fuel Control Double Overhead Cams/Twin Cam (DOHC)
Ignition Kokusan CDI digitale
Lubrication Wet sump and reeds
Transmission
Gearbox 5-speed
Final Drive Chain (final drive)
Clutch Wet cluch 7 steel disks
Chassis
Rake 26.5°
Trail 110 mm (4.3 inches)
Front Suspension 50 mm fully adjustable
Rear Suspension Sachs shock absorber fully adjustable
Wheelbase 1450 mm (57.1 inches)
Wheels & Brakes
Front Tyre 80/0-21
Rear Tyre 110/90-19
Front Brakes Single disc
Front Brake Ø 260 mm (10.2 inches)
Rear Brakes Single disc
Rear Brake Ø 220 mm (8.7 inches)
Dimensions & Weight
Seat Height 960 mm (37.8 inches) If adjustable, lowest setting.
Overall Length 2160 mm (85.0 inches)
Overall Width 810 mm (31.9 inches)
Fuel Capacity 9.00 litres (2.38 US gallons)
Other
Starter Kick
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Buying Checklist

Before You Compare This Bike

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.
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
96 cm / 37.8 in
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