Torquepedia
R18B

R18B

BMW

EngineAir/oil cooled twin-cylinder four-stroke boxer engine with two chain-driven camshafts above the crank shaft
Bore x stroke107.1 mm x 100 mm / 4.22" x 3.94"
Displacement1802 cc
Nominal capacity67 kW (91 hp) at 4,750 rpm
Max torque158 Nm / 116.55 lb-ft at 3,000 rpm
Compression ratio9.6:1
Fuel preparationElectronic intake manifold fuel injection/digital engine management: BMS-O with electromotive throttle controller
Emission controlClosed-loop three-way catalytic converter
Maximum speedOver 180 km/h / 112 mph
Consumption per 100 km5.8 l / 1.53 gal
CO2 emission based on WMTC134 g/km
Fuel typeSuper plus, unleaded (max. 15% ethanol, E15) RON 95 90 AKI
AlternatorPermanent magnet alternator with 660 W (nominal capacity)
Battery12 V / 26 Ah, maintenance-free
ClutchSingle-disc dry clutch
Transmission6-speed shifting claw transmission in separate transmission housing
Secondary driveDrive shaft
FrameDouble-cradle tubular steel frame with screwed-on downtubes
Front suspension spring elementsTelescopic fork
Rear wheel guide spring elementsSteel double-sided swinging arm with central spring strut
Spring travel front rear120 mm / 120 mm / 4.72" / 4.72"
Wheelbase1,695 mm / 66.73"
Castor183.5 mm / 7.22"
Steering head angle62.7°
WheelsCast aluminium front wheel
Rim dimensions front3.5 x 19"
Rim dimensions rear5.0 x 16"
Tyre front120/70 R19
Tyre rear180/65 B16
Brake frontTwin disc brake, 300 mm in diameter, four-piston fixed caliper
Brake rearSingle disc brake, 300 mm in diameter, four-piston fixed caliper
ABSBMW Motorrad Integral ABS (fully integrated)
Seat height at vehicle kerb weight720 mm / 28.35"
Inner leg curve at vehicle kerb weight1,700 mm / 66.93"
Usable tank capacityapprox. 24 l / 6.34 gal
Reserveapprox. 4 l / 1.06 gal
Length above spray guard2,560 mm / 100.79"
Height above windscreen at DIN vehicle kerb weight1,400 mm / 55.12"
Width across hand levers970 mm / 38.19"
Vehicle kerb weight road ready fully fuelled398 kg / 877.43 lbs
Permitted total weight630 kg / 1,388 lbs
Payload with standard equipment232 kg / 511 lbs

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