1938 BMW R23
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Battery Gear ratios | Air-cooled, 4-stroke, single cylinder vertical 68.0 x 68.0 mm (2.67 x 2.67 inches) 247 cc OHV 6.0:1 10 HP @ 5400 rpm 1 x Amal push in carburettor M 74/435 S 3-speed Shaft Single plate dry clutch Battery ignition Kick starter Forced Feed Lubrication Bosch 175 T1 or Beru K175 b |
| Dimensions Frame type Castor Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Twin loop frame, bolted 2000 mm (78.74 inches) 800 mm (31.49 inches) 920 mm (36.22 inches) 1330 mm (52.36 inches) 828 mm (32.6 inches) 185 mm (7.3 inches) 130 kg 12 litres Telescopic fork Rigid 3.00 R19 3.00 R19 Drum brake 160 mm / 6.29 inches diameter Drum brake 180 mm / 7.08 inches diameter |
Image: http://www.ww2aircraft.net