156 TECHNICAL DATA
FUEL
Recommended fuel quality Premium unleaded (91) (max. 15%
ethanol, E15)
89 AKI (95 ROZ/RON)
90 AKI
Alternative fuel quality Regular unleaded (max. 15% ethanol, E15)
87 AKI (91 ROZ/RON)
87 AKI
Usable fuel quantity Approx. 6.3 gal (Approx. 24 l)
Fuel reserve Approx. 1.1 gal (Approx. 4 l)
Fuel consumption 41 mpg (5.8 l/100 km), in accordance with
WMTC
CO2 emissions 134 g/km, in accordance with WMTC
Emission standard TIER 2, measured in accordance with FT-
P75
ENGINE OIL
Engine oil, capacity 1.1 gal (4.0 l), with filter replacement
Engine oil specification SAE 15W-50, API SJ / JASO MA2,
BMW Motorrad recommends
BMW Motorrad ADVANTEC Pro.
Engine oil refilling quantity max 0.5 quarts (max 0.5 l), Difference be-
tween MIN and MAX
BMW recommends
ENGINE
Engine number location Lower left part of crankcase
Engine type A70B18A
Engine design Air-/oil-cooled two-cylinder four-stroke op-
posed-twin engine with two chain-drive
camshafts above the crankshaft
Displacement 1802 cc (1802 cm
3
)
Cylinder bore 4.2 in (107.1 mm)
Piston stroke 3.9 in (100 mm)
Compression ratio 9.6:1
Nominal capacity 90 hp (67 kW), at RPM: 4750 min
-1
Torque 117 lb/ft (158 Nm), at RPM: 3000 min
-1
Maximum engine speed max 5750 min
-1
Idle speed 950
±50
min
-1
, Engine at operating tempera-
ture
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