BMW R850RTback 2005

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Air cooled, 848cc, Boxer, SOHC

Power: 70.02 HP (51.5 kW) @ 7000 rpm
Torque: 77 Nm (56.79 lb-ft) @ 5600 rpm
Final drive: Shaft
Top speed: 116.2 mph
Curb weight: 524.7 lbs
Category: Touring
Tags: Touring
Engine and transmission
Engine type: 2 cylinders, 4-stroke, Boxer
Displacement: 848 cc (51.81 cubic inches)
Bore × stroke: 3.46 inch × 2.78 inch (oversquare - shortstroke)
Cooling system: Air cooled
Power: 70.02 HP (51.5 kW) @ 7000 rpm
Torque: 77 Nm (56.79 lb-ft) @ 5600 rpm
Throttle: Cable operated
Valves
Valve train: SOHC, variable
Valves per cylinder: 4
Fuel and ignition
Sparks per cylinder: 1
Fuel supply system: Fuel injection
Ignition type: Digital CDI
Compression: 10.3:1
Engine mounting: Longitudinal
Lubrication system: Wet sump
Gear box: Manual 6-speed
Clutch: Dry, single plate, hydraulic operated
Final drive: Shaft
Starter: Electric
Dimensions
Physical measures
Length: 85.4 inch
Width: 37 inch
Height: 48 inch
Wheel base: 58.5 inch
Seat height: 31.5 inch (variable)
Weight
Curb weight: 524.7 lbs
Dry weight: 480.6 lbs
Chassis and suspension
Frame type: composite, Backbone frame
Front
Suspension: Telelever
Suspension travel: 4.72 inch
Fork angle: 62°
Brake: Twin Disk, Ø12.6 inch
Tire: 120 / 70 R17 ZR
Rear
Suspension: mono shock, Paralever
Suspension travel: 5.31 inch
Brake: Disk, Ø10.87 inch
Tire: 170 / 60 R17 ZR
Other
ABS available: Yes
Power-to-weight ratio: 0.22 KW/lbs (4.62 lbs/HP)
Top speed: 116.2 mph
Fuel capacity: 5.42 gals
Number of riders: 2 persons

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