ClassicModel year 2025Global version
BMW R 18 B

BMW R 18 B

Classic · 1802 cc

PriceNot recorded
Variant
R 18 B

Specifications

Engine5 items

Rated power
91hpSource wording: 91 hp at 4,750 rpm
Bore × stroke
107.1 mm x 100 mm
Engine displacement
1802ccSource wording: 1,802 cc
Compression ratio
9.6 : 1
Maximum torque
162.7NmSource wording: 120 lb-ft at 3,000 rpm

Other declared specifications24 items

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
Mixture control
Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire
Fuel type
Super unleaded (max. 15% ethanol, E15), 95 ROZ/RON, 90 AKI
Maximum speed
111 mph
Alternator
Permanent magnet alternator with 660 W (nominal power)
Drive
Cardan shaft drive
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"
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''
Suspension travel, front / rear
4.7" / 4.7"
Tire, front
120/70 R19
Tire, rear
180/55 B18
Seat height at unladen weight
28.3"
Inner leg curve at unladen weight
67"
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

Equipment1 items

battery
12 V / 26 Ah

Fuel and transmission2 items

clutch
Single-disc dry clutch
Transmission
Constant-mesh 6-gear gearbox with separate transmission housing

Chassis, brakes and suspension4 items

system ABS
BMW Motorrad Integral ABS (fully integral)
Frame
Double loop steel frame with bolted beams
Steering angle
62.7°
Wheels
Aluminum cast wheel on front wheel

Dimensions and weight4 items

Wheelbase (as stated in source)
66.7"
Height (as stated in source)
55.1" (above windshield, at unladen weight)
Length (as stated in source)
100.8" (over splash guard)
Width (as stated in source)
38.2" (above hand lever)

Sources

Specifications can vary by model year, country and variant.

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