Engine - BMW 2012 R 1200 GS Rider's Manual

Engine

Engine design
Displacement
Cylinder bore
Piston stroke
Compression ratio
Rated output
with power reduction
Torque
Maximum engine speed
Idle speed
OE
Longitudinally mounted two-cylinder opposed-twin
engine with two overhead camshafts each, four
radially arranged valves per cylinder, air cooling,
oil-cooled outlet area and electronic engine man-
agement
3
1170 cc (1170 cm )
4 in (101 mm)
2.9 in (73 mm)
12.0:1
110 hp (81 kW), at engine speed: 7750 min
98 hp (72 kW), at engine speed: 7750 min
89 lb/ft (120 Nm), at engine speed: 6000 min
-1
max 8500 min
±50 -1
1150 min , Engine at operating temperature
10
135
-1
-1 z
-1