BMW R27 Specifications from A.G.
  BMW R 27 Today is

BMW R 27
R27 production dates: 1962-1967

Number sold 15,364
U.S. Price: $772.-   (1965)
U.S. Price: $810.-   (1967)

    ($5,745 in 2016 when adjusted for inflation)

German Price: DM 2,430.-


Engine
Internal designation226/2
Typefour-stroke single-cylinder vertical
Bore/stroke68 x 68 mm
Cubic capacity15 in.3 / 247 cm3
Maximum power18 HP at 7400 U /min
Compression ratio8.2 : 1
Valves per cylinderOHV
Carburation system1 carburettor Typ Bing 1 / 26 / 68
Engine lubricationforced-feed lubrication
Oil pumpgear pump

 
Power Transmission
Clutchsingle discs, dry
Number of gears4
Shifting foot shifting
Gear ratios5.33 / 3.02 / 2.04 / 1.54
Rear wheel ratio4.16 : 1 (with sidecar 5.2 : 1)
Bevel/crown wheel6 / 25 teeth (with sidecar 5 / 26)

 
Electrical System
AlternatorBosch LJ/CJE 60/6/1800 R 5
Ignitionbattery ignition
Spark plugsBosch W 240 T 1, Beru 240/14 or Champion L 85

 
Suspension
Designation226/2
Type of framesteel twin-loop frame, welded
Front suspensionlong swing arm with suspension units and oil-pressure dampers
Rear suspensionLangarmschwinge mit Feder at nen and oil-pressure dampers
Wheel rimsdeep-bedwheel rims 2.15 B x 18
Tires front3.25 x 18
Tires rear3.25 x 18
Brakes frontdrum brake Ø 160 mm, full hub
Brakes reardrum brake Ø 160 mm, full hub

 
Dimensions and Weights
Length x width x height82 x 26 x 38 inches / 2090 x 660 x 975 mm
Wheel base54.7 inches / 390 mm; with sidecar 1415 mm
Tank capacity4.0 gals. / 15 liters
Unladen weight, full tank357 lbs. / 162 kg
Permitted loading716 lbs. / 325 kg; with sidecar 1,058 lbs. / 480 kg

 
Performance
Riding/exhaust noise81 / 81 phon (from 12.10.1962 82/80 DIN phon)
Fuel consumption60 MPG (ca. 3.9 liters / 100 km)
Oil consumptionca. 0.5 - 1 l / 1000 km
Top speed81 MPH (81 MPH / 130 km/h; with sidecar 56 MPH / 90 km/h)