BMW R24
Today is
  1948 BMW R24
|
R24 production dates: 1948 - 1950
Production:   12,020 motorcycles
Price:   1,750 DM
            $526 U.S. in 1948
|
|
Engine
|
Internal designation | 224 / 1 |
Type | four-stroke single cylinder vertical
|
Bore/stroke | 68 x 68 mm |
Cubic capacity |
247 cm3 (34 in.3) |
Maximum power | 12 HP at 5600 RPMs |
Compression ratio | 6.75 : 1 |
Valves per cylinder | 2 |
Carburation system | 1 Bing 1/22/140b |
Engine lubrication | forced-feed lubrication |
Oil pump | gear pump |
Power Transmission |
Clutch | single disc saucer spring, dry |
Number of gears | 4 |
Shifting | foot shifting + aux. manual on gear housing |
Gear ratios | 6.1 / 3.0 / 2.04 / 1.54 |
Rear wheel ratio | 1 : 4.18 or 1 : 4.25 |
Bevel/crown wheel | 11/46 or 8/34 teeth |
Electrical System
|
Generator | 6 volt / 45 watts |
Ignition | battery ignition |
Spark plugs | Bosch W240T1 or NGK B8HS |
Suspension
|
Designation | 224/1 |
Type of frame | closed steel twin-loop tubular frame, bolted |
Front suspension | telescopic fork |
Rear suspension | rigid |
Wheel rims | 2.9 x 19 deep-bed |
Tires front | 3.0 x 19 |
Tires rear | 2½ x 19 |
Brakes front | drum brake, Ø 160 mm |
Brakes rear | drum brake, Ø 160 mm |
Dimensions and Weights
|
Length x width x height |
80 x 30 x 28 inches (2020 x 750 x 710 mm) |
Tank capacity |
4.6 gals. (12 l) |
Unladen weight, full tank | 287 lbs. (130 kg) |
Load rating | 639 lbs. (290 kg) |
Performance
|
Fuel consumption |
67 MPG (3.5 liters / 100 km) |
Oil consumption | ca. 0.5 - 1 liters / 1000 km |
Top speed |
59 MPH (95 km/h) |
|