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Key Specifications
Engine
Four stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV w/ two camshafts, 4 valves per cylinder
Power
67 kW / 91 hp @ 4750 rpm
Torque
158 Nm / 116 lb-ft @ 3000 rpm
Weight
345 kg / 760.5 lbs
Fuel Capacity
16 Litres / 4.2 US gal
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Full 2021 BMW R 18 Specifications
Year
2021
Make Model
BMW R 18
Seat Height
690 mm / 27.2 in
Wheelbase
1731 mm / 68.1 in
Length
2440 mm / 36 in
Width
964 mm / 37.9 in with mirrors
Fuel Capacity
16 Litres / 4.2 US gal
Wet Weight
345 kg / 760.5 lbs
Displacement
1802 cc / 110 cu-in
Engine Detail
Four stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV w/ two camshafts, 4 valves per cylinder
Bore x Stroke
107.1 X 100 mm
Compression Ratio
9.6:1
Cooling System
Air/water cooled
Emissions
Closed-loop 3-way catalytic converter, EU5 exhaust standard
Engine Management
BMS-O
Fuel Induction
Fuel injection, 48 mm Throttle valves
Fuel Type
Premium unleaded (95-98 RON)
Intake / Outlet Valve Diameter
41.2 x 35.0 mm
Lubrication
Wet sump
Starter
Electric, 1.5 kW
Battery Capacity
12/26 V/Ah maintenance-free
Clutch
Hydraulically activated single-disc dry clutch
Final Drive
Shaft, Final Drive 3.091
Gear Ratios
1st 2,438 / 2nd 1,696 / 3rd 1,296 / 4th 1,065 / 5th 0,903 / 6th 0,784
Primary Drive Ratios
1.16
Transmission / Drive
Constant-mesh 6-speed
Frame Type
Construction type Double-loop steel tube frame
Suspension - Front
49 mm Telescopic fork, Non-adjustable
Suspension - Rear
Cantilevered spring-preload adjustable shock
Rake
32.7°
Steering Head Angle
57.3°
Trail
150 mm / 5.9 in
Wheel Travel - Front
120 mm / 4.7 in
Wheel Travel - Rear
80 mm / 3.5 in
Alternator
600W
Headlight
LED low beam with projection module LED high beam with projection module
Brakes - Front
2X 300mm discs
Brakes - Rear
Single 300mm disc
ABS
BMW Motorrad Integral ABS (part-integral)
Tyres - Front
120/70 R 19 or B 19 (manufacturer-dependent)
Tyres - Rear
180/65 B 16
Wheels
Spoked
Wheels - Front
3.5 x 19
Wheels - Rear
5.0 x 16
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