BMW R 24

BMW R 24 Date 1948 - 1950

Number sold 12.020

Price 1.750,- DM

Engine

Internal Designation 224/1
Engine type four-stroke vertical single cylinder engine
Bore/stroke 68 x 68 mm
Cubic capacity 247 cm3
Max power 12 PS at 5600 rpm
Compression ratio 6,75 : 1
Valves per cylinder ohv
Carburation system 1 Bing type AJ 1 / 22 / 140 b
Engine lubrication forced-feed lubrication
Oil pump gear pump

Power transmission

Clutch single discs, dry
Number of gears 4
Shifting foot Shifting (+ auxiliary manual switch on gearing block)
Gear ratios 6,1 / 3,0 / 2,04 / 1,54
Rear wheel ratio 1 : 4,18 or 4,25 : 1
Bevel/crown wheel 11/46 or 8 / 34 teeth

Electrical system

Alternator Bosch 6V / 45 W
Ignition battery ignition
Spark plugs Bosch DM 240 T 1or Bosch W 225 T 1

Suspension

Designation 224/1
Type of frame closed steel twin-loop frame, bolted
Front suspension telescopic fork
Rear suspension rigid
wheel rims 2,5 x 19
Tyres front 3 x 19
Tyres rear 3 x 19
Brakes front drum brake 160 mm
Brakes rear drum brake 160 mm

Dimensions and weights

Length x width x height 2020 x 750 x 710 (saddle) mm
Ground clearance 108 mm
Tank capacity 12 l
Unladen weight, full tank 130 kg
permitted loading 290 kg
Fuel consumption ca. 3,5 l / 100 km
Oil consumption ca. 1 l / 1000 km
Top speed 95 km/h

Back to index