BMW R 850 RT 2004 Maintenance Instruction page 62

Engine
Type
3
60
Displacement
Maximum rated output in accordance with DIN 70 020
- at engine speed
Maximum torque
- at engine speed
Permissible engine speeds
Maximum speed
Idling speed
Bore/stroke
Compression ratio
Fuel consumption as per ISO 7118
at a constant rate of
approx. 56 mph (90 km/h)
at a constant rate of
approx 75 mph (120 km/h)
Maximum oil
consumption
R 1150 RT
Two-cylinder, air-cooled boxer
engine with additional oil-cooled
outlet, chain-driven side camshaft
4 bucket tappet/push rod-operated
valves/cylinders, wet sump
lubrication.
3
1,130 cm
70 kW
7,250 rpm
100 Nm
5,500 rpm
7,900 rpm
±50
1,100 rpm
3.98/2.78 in
(101/70.5 mm)
11.3 : 1
50 mpg
(4.7 l/100 km)
42 mpg
(5.6 l/100 km)
2,350 mpg (1 l/1,000 km)
R 850 RT
3
848 cm
54 kW
80 Nm
8,150 rpm
3.44/2.78 in
(87.5/70.5 mm)
10.3 : 1
60 mpg
(3.9 l/100 km)
49 mpg
(4.8 l/100 km)