Torquepedia
R18

R18

BMW

EngineAir/oil cooled two-cylinder four-stroke boxer engine with two chain-driven camshafts above the drive shaft
Bore x stroke107.1 mm x 100 mm / 4.22" x 3.94"
Capacity1802 cm³
Nominal capacity67 kW (91 hp) at 4750 rpm
Max torque158 Nm at 3000 rpm
Compression ratio9.6 :1
Fuel preparationElectronic intake pipe fuel injection, BMS-K+ electronic engine management with overrun cut-off, twin-spark ignition: BMS-O with e-gas
Emission controlRegulated three-way catalytic converter
Maximum speedover 110 mph
Consumption per 100 km5.6 l/100km
CO2 emission based on WMTC129 g/km
Fuel typeSuper plus lead-free (max. 15% ethanol, E15) ROZ 95 90 AKI
AlternatorPermanent magnet generator 600 W (nominal capacity)
Battery12 V / 26 Ah, maintenance-free
ClutchSingle-disk dry clutch
Gears6-gear shifting claw transmission in separate transmission housing
Secondary driveShaft drive
FrameDouble-cradle steel frame with screwed-on underbeams
Front suspension spring elementsTelescopic fork
Rear suspension spring elementsSteel swinging fork with central shock strut
Spring travel front rear120 mm / 90 mm / 4.72" / 3.54"
Wheelbase1731 mm / 68.15"
Castor150 mm / 5.91"
Steering head angle57.3°
WheelsSpoke wheel (front only)
Rim dimensions front3.5" x 19"
Rim dimensions rear5.0" x 16"
Tyre front120/70 R 19
Tyre rear180/65 B16
Brake frontTwin disc brake, diameter 300 mm, four-piston fixed calipers
Brake rearSingle disc brakes, diameter 300 mm, four-piston fixed calipers
ABSBMW Motorrad Integral ABS (partially integral)
Seat height unladen690 mm / 27.17"
Rider step length unladen1630 mm / 64.17"
Usable tank capacityapprox. 16 l
Reserveapprox. 4 l
Length2440 mm / 96.06"
Height excluding mirrors1126 mm / 44.33"
Height above mirror at DIN empty weight1232 mm / 48.50"
Width with mirror964 mm / 37.95"
Unladen weight fully fuelled road ready345 kg / 760.59 lbs
Max permitted weight560 kg / 1,234 lbs
Max load with standard equipment215 kg / 474 lbs

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