Engine - BMW F 800 ST 2006 Rider's Manual

Engine

9
Engine design
118
Effective displacement
Cylinder bore diameter
Piston stroke
Compression ratio
z
Rated output
With OE Regular unleaded (RON 91):
With OE Power reduction:
Two-cylinder, four-stroke engine, DOHC
control with toothed chain drive, 4 valves
actuated by trailing valve levers, compen-
sating connecting rods, liquid cooling for
cylinders and cylinder head. Integrated water
pump, 6-speed transmission and dry-sump
lubrication
3
798 cc (798 cm )
3.2 in (82 mm)
3 in (75.6 mm)
12:1
85 hp (62.5 kW), - at engine
-1
speed: 8000 min
83 hp (61 kW), - at engine speed: 8000 min
34 hp (25 kW), - at engine speed: 7000 min
-1
-1