Classic
BMW R 18 Roctane
BMW R 18 Roctane
Classic · 1802 cc
PriceNot recorded
- Displacement1802 cc
- Maximum torque162.7 Nm
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
- Maximum torque
- 162.7NmSource wording: 120 lb-ft at 3,000 rpm
- Compression ratio
- 9.6 : 1
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
- Maximum speed
- over 112 mph
- Fuel type
- Super unleaded (max. 15% ethanol, E15), 95 ROZ/RON, 90 AKI
- Alternator
- Permanent magnet alternator with 600 W (nominal power)
- Front wheel location / suspension
- Telescopic fork, diameter 49 mm
- Rear wheel location / suspension
- Steel twin-sided swing arm, central spring strut
- Suspension travel, front / rear
- 4.7" / 3.5"
- Castor
- 7.28"
- Rim, front
- 3.50 x 21"
- Rim, rear
- 5.00 x 18''
- Tire, front
- 120/70 B21
- 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
- Drive
- Cardan shaft drive
- Seat height at unladen weight
- 28.3"
- Inner leg curve at unladen weight
- 65.9"
- Usable tank volume
- approx. 4.2 gal
- Reserve
- approx. 1 gal
- Unladen weight, road ready, fully fueled
- 825 lbs 1)
- Permitted total weight
- 1,234 lbs
- Payload (with standard equipment)
- 399 lbs
Equipment1 items
- battery
- 12 V / 26 Ah
Chassis, brakes and suspension4 items
- Frame
- Double loop steel frame with bolted beams
- Steering angle
- 55.3°
- Wheels
- Aluminum cast wheels
- system ABS
- BMW Motorrad Integral ABS (partial integral)
Dimensions and weight3 items
- Wheelbase (as stated in source)
- 67.7"
- Length (as stated in source)
- 103" (over license plate holder)
- Width (as stated in source)
- 38.7" (above mirror)
Fuel and transmission2 items
- clutch
- Single-disc dry clutch
- Transmission
- Constant-mesh 6-gear gearbox with separate transmission housing
Sources
Specifications can vary by model year, country and variant.
