2020-2023 BMW R 18

Fuel
Recommended fuel quality Premium unleaded (max. 15% ethanol, E15), 89 AKI (95 ROZ/RON), 90 AKI
Alternative fuel quality Regular unleaded (max. 15% ethanol, E15), 87 AKI (91 ROZ/RON), 87 AKI
Usable fuel quantity Approx. 4.2 gal (Approx. 16 l)
Fuel reserve Approx. 1.1 gal (Approx. 4 l)
Fuel consumption 42 mpg (5.6 l/100 km), In accordance with WMTC
CO2 emissions 129 g/km, In accordance with WMTC
Emission standard TIER 2, measured in accordance with FTP75

Engine Oil
Engine oil capacity Approx. 1.1 gal (Approx. 4.0 l), with filter replacement
Engine oil specification SAE 15W-50, API SJ / JASO MA2, BMW Motorrad recommends BMW Motorrad ADVANTEC Pro
Oil refilling quantity Max 0.5 quarts (Max 0.5 l), Difference between MIN and MAX

Engine
Engine number location Lower left part of crankcase
Engine type Air-/oil-cooled two-cylinder four-stroke opposed-twin engine with two chain-drive camshafts above the crankshaft
Displacement 1802 cc (1802 cm³)
Compression ratio 9.6:1
Power Output 90 hp (67 kW), at 4750 min⁻¹
Torque 117 lb/ft (158 Nm), at 3000 min⁻¹
Maximum engine speed Max 5750 min⁻¹
Idle speed 950±50 min⁻¹, engine at operating temperature
Clutch
Clutch design Single-plate dry clutch
Transmission
Transmission design Claw-shift 6-speed transmission in separate transmission housing

Rear-Wheel Drive
Gear ratio of rear drive 3.091 (34:11)
Rear axle oil FUCHS Titan EG 4218 SAE 70W-80

Frame
Type plate location Steering head frame, middle
Vehicle ID number location Front frame, below steering head

Running Gear
Front suspension Telescopic forks, Spring travel: 4.7 in (120 mm)
Rear suspension Steel double-armed swinging arm, Spring travel: 3.5 in (90 mm)
Preload settings (rear) One-up: 6 rotations clockwise (110 kg), Two-up: 24 rotations clockwise (200 kg)

Brakes
Front brake Two-rotor disk brake, diameter: 11.8 in (300 mm), 4-piston fixed caliper
Front brake pad material Sintered metal
Front brake disc thickness 0.2 in (5 mm), Wear limit: min 0.18 in (min 4.5 mm)
Rear brake Single disc brake, diameter: 11.8 in (300 mm), 4-piston fixed caliper
Rear brake pad material Sintered metal
Rear brake disc thickness 0.28 in (7 mm), Wear limit: min 0.26 in (min 6.5 mm)

Wheels and Tires
Front wheel rim size 3.5″ x 19″
Front tire designation 120/70 R 19, Load index: 54
Rear wheel rim size 5.0″ x 16″
Rear tire designation 180/65 B16, Load index: 73
Front tire pressure 36.3 psi (2.5 bar)
Rear tire pressure 42.1 psi (2.9 bar), One-up mode, with cold tires

Electrical System
Electrical rating Max 5 A
Main fuse 50 A
Fuse 1 10 A
Fuse 2 7.5 A
Fuse 4 15 A
Battery design Absorbent Glass Mat, 12 V, 26 Ah
Spark plugs NGK MAR8AI-10DS

Dimensions
Length 96.1 in (2440 mm)
Height 50.9 in (1294 mm)
Width 38 in (964 mm)
Front-seat height 27.2 in (690 mm), High seat: 28 in (710 mm)
Inside-leg arc 64.2 in (1630 mm), High seat: 65.2 in (1655 mm)

Weights
Unloaded vehicle weight 761 lbs (345 kg)
Gross vehicle weight 1235 lbs (560 kg)
Maximum payload 474 lbs (215 kg)

Performance Data
Maximum speed 112 mph (180 km/h)

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