Data and equipment
BMW R 18 B
As a traditional bagger motorcycle, the R 18 B makes a clear statement with its Big Boxer. Learn all about the technical data here.
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Engine
Rated output
91 hp at 4,750 rpm
Emission control
Closed-loop 3-way catalytic converter
Type
Air/oil cooled twin-cylinder four-stroke boxer engine with two chain-driven camshafts above the crank shaft
Bore x stroke
107.1 mm x 100 mm
Capacity
1,802 cc
Compression ratio
9.6 : 1
Max. torque
120 lb-ft at 3,000 rpm
Mixture control
Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire
Performance / fuel consumption
Fuel type
Super unleaded (max. 15% ethanol, E15), 95 ROZ/RON, 90 AKI
Maximum speed
111 mph
Electrical system
Alternator
Permanent magnet alternator with 660 W (nominal power)
Battery
12 V / 26 Ah
Power transmission
Clutch
Single-disc dry clutch
Drive
Cardan shaft drive
Gearbox
Constant-mesh 6-gear gearbox with separate transmission housing
Chassis / brakes
ABS
BMW Motorrad Integral ABS (fully integral)
Brake, front
Twin disc brake, diameter 300 mm, 4-piston fixed caliper
Brake, rear
Single disc brake, diameter 300 mm, 4-piston fixed caliper
Castor
7.2"
Frame
Double loop steel frame with bolted beams
Front wheel location / suspension
Telescopic fork
Rear wheel location / suspension
Steel twin-sided swing arm, central spring strut
Rim, front
3.50 x 19"
Rim, rear
5.00 x 18''
Steering head angle
62.7°
Suspension travel, front / rear
4.7" / 4.7"
Tire, front
120/70 R19
Tire, rear
180/55 B18
Wheelbase
66.7"
Wheels
Aluminum cast wheel on front wheel
Dimensions / weights
Seat height at unladen weight
28.3"
Height
55.1" (above windshield, at unladen weight)
Inner leg curve at unladen weight
67"
Length
100.8" (over splash guard)
Payload (with standard equipment)
511 lbs
Permitted total weight
1,389 lbs
Reserve
approx. 1 gal
Unladen weight, road ready, fully fueled
877 lbs
1)
Usable tank volume
approx. 6.3 gal
Width
38.2" (above hand lever)
1) With all operating fluids, with standard equipment and refueled with min. 90% of the usable fuel tank capacity.
