Engine
|
| Internal designation | 226/2 |
| Type | four-stroke single-cylinder vertical |
| Bore/stroke | 68 x 68 mm |
| Cubic capacity | 15 in.3
/ 247 cm3 |
| Maximum power | 18 HP at 7400 U /min |
| Compression ratio | 8.2 : 1 |
| Valves per cylinder | OHV |
| Carburation system | 1 carburettor Typ Bing 1 / 26 / 68 |
| Engine lubrication | forced-feed lubrication |
| Oil pump | gear pump |
| |
Power Transmission
|
| Clutch | single discs, dry |
| Number of gears | 4 |
| Shifting | foot shifting |
| Gear ratios | 5.33 / 3.02 / 2.04 / 1.54 |
| Rear wheel ratio | 4.16 : 1 (with sidecar 5.2 : 1) |
| Bevel/crown wheel | 6 / 25 teeth (with sidecar 5 / 26) |
| |
Electrical System
|
| Alternator | Bosch LJ/CJE 60/6/1800 R 5 |
| Ignition | battery ignition |
| Spark plugs | Bosch W 240 T 1, Beru 240/14 or Champion L 85 |
| |
Suspension
|
| Designation | 226/2 |
| Type of frame | steel twin-loop frame, welded |
| Front suspension | long swing arm with suspension units and oil-pressure dampers |
| Rear suspension | Langarmschwinge mit Feder at nen and oil-pressure dampers |
| Wheel rims | deep-bedwheel rims 2.15 B x 18 |
| Tires front | 3.25 x 18 |
| Tires rear | 3.25 x 18 |
| Brakes front | drum brake Ø 160 mm, full hub |
| Brakes rear | drum brake Ø 160 mm, full hub |
| |
Dimensions and Weights
|
| Length x width x height | 82 x 26 x 38 inches
/ 2090 x 660 x 975 mm |
| Wheel base | 54.7 inches
/ 390 mm; with sidecar 1415 mm |
| Tank capacity | 4.0 gals. / 15 liters |
| Unladen weight, full tank | 357 lbs. / 162 kg |
| Permitted loading | 716 lbs. / 325 kg; with sidecar 1,058 lbs. / 480 kg |
| |
Performance
|
| Riding/exhaust noise | 81 / 81 phon (from 12.10.1962 82/80 DIN phon) |
| Fuel consumption | 60 MPG (ca. 3.9 liters / 100 km) |
| Oil consumption | ca. 0.5 - 1 l / 1000 km |
| Top speed | 81 MPH (81 MPH / 130 km/h; with sidecar 56 MPH / 90 km/h) |
| |
BMW R 27
Today is
