These are the known mechanical and performance specifications for your 2008 BMW 450 Sports Enduro.
Basic Specs

Engine
Displacement449.00 ccm (27.40 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression
Bore/Stroke98.0 x 59.6 mm (3.9 x 2.3 inches)
Valves/Cylinder
FuelingInjection
Ignition
Exhaust
Lubrication
Cooling
Performance
Horespower49.61 HP (36.2 kW)
Torque48.00 Nm (4.9 kgf-m or 35.4 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.50 litres (2.25 gallons)
Emissions
Chassis
Frame TypeLightweight stainless steel tube
Rake
Trail
Front Suspension45 mm Marzocchi USD forks
Front Travel300 mm (11.8 inches)
Rear SuspensionÖhlins damper
Rear Travel320 mm (12.6 inches)
Seat
Seat Height911 mm (35.9 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight
Wet Weight120.0 kg (264.6 pounds)
Wheels & Brakes
Front Tire/Tyre90/90-21
Rear Tire/Tyre140/80-18
Front BrakesSingle disc. Bremo
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc. Bremo
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments
Also called BMW 450 Competition Enduro.