Engine Technical Data - BMW F 650 GS Repair Manual

11
Technical Data
Engine, general
Type
Cylinder bore
Stroke
Displacement
Compression ratio
Power output
Max. torque
Neutral speed
Max. continuous engine speed
Max. engine speed
Crankshaft (main) bearings
Engine lubrication
Cylinder
Piston
Oil filter
Oil pump
Oil capacity
Oil pressure (neutral speed)
Permissible oil consumption
Crank gear
Main bearing play
Installed dimension
Wear limit
Wear limit, main bearing bore diameter
Wear limit
Main bearing diameter
Bearing play
Runout at crankpin
Clutch side
Magneto side
F 650 GS / GS Dakar
Single-cylinder four-stroke, double overhead
camshafts driven by roller chain, 4 valves operat-
ed by bucket tappets, balancing shaft, liquid-
cooled cylinder and cylinder head, integral water
pump, 5-speed gearbox and dry sump lubrica-
tion.
mm (in) 100 (3.94)
mm (in) 83.0 (3.27)
cc 652
11.5 : 1
kW (hp) 37 (50)
at 6,500 rpm
Nm 60
at 5,000 rpm
rpm 1,400
rpm 7,000
rpm 7,500
Plain bearing
Dry sump, with oil pump
Light alloy, "Nikasil" coated
Cast aluminium with 3 rings
Full-flow type
2 trochoid pumps, driven by primary drive
l (Imp. 2.3 (4.05/2.43)
pints/US
quarts)
bar (psi) ≥ 0.5 (7.11)
(oil temperature 80 °C/176 °F)
l/ 1 (350 miles per Imp. pint/590 miles per US quart)
1,000 km
mm (in) 0.030...0.070 (0.0012...0.0028)
mm (in) 0.10 (0.004)
mm (in) 46.08 (1.814)
mm (in) 47.97 (1.888)
mm (in) 0.10 (0.004)
mm (in) 0.03 (0.001)
mm (in) 0.05 (0.002)
BMW recommends Castrol
11.5