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.

_{The backgrounds on some images were created using AI.}

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

Max. torque

120 lbs-ft at 3,000 rpm

Compression ratio

9.6 : 1

Mixture control

Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire

Performance / fuel consumption

Maximum speed

180 km/h

Fuel consumption per 100 km based on WMTC

5.8 l

CO2 emission based on WMTC

134 g/km

Fuel type

Super unleaded (max. 15% ethanol, E15), 95 ROZ/RON, 90 AKI

Electrical system

Alternator

Permanent magnet alternator with 660 W (nominal power)

Battery

12 V / 26 Ah, maintenance-free

Power transmission

Clutch

Single-disc dry clutch

Gearbox

Claw-shifted 6-gear gearbox with separate transmission housing

Drive

Cardan

Chassis / brakes

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

Suspension travel, front / rear

4.7" / 4.7"

Wheelbase

1,695 mm

Castor

183.5 mm

Steering head angle

62.7°

Rim, front

3.50 x 19"

Rim, rear

5.00 x 18''

Tire, front

120/70 R19

Tire, rear

180/55 B18

Brake, front

Twin disc brake, diameter 300 mm, 4-piston fixed caliper

Brake, rear

Single disc brake, diameter 300 mm, 4-piston fixed caliper

ABS

BMW Motorrad Integral ABS (fully integral)

Dimensions / weights

Seat height at unladen weight

28.3"

Inner leg curve at unladen weight

1,700 mm

Usable tank volume

approx. 24 l

Reserve

approx. 4 l

Length

100.8" (over splash guard)

Height

55.1" (above windshield, at DIN unladen weight)

Width

38.2" (above hand lever)

Unladen weight, road ready, fully fuelled

398 kg

1)

Permitted total weight

630 kg

Payload (with standard equipment)

232 kg