BMW R 4

BMW R 4 SPECIFICATIONS, PRICE & IMAGES

BMW R 4 For Sale Specifications, Price and Images

Make Model:
BMW R 4

Year:
1932 – 37

Engine:
Four stroke,
single cylinder vertical

Capacity:
498 cc / 30.4 cu in.

Bore x Stroke:
84 x 78 mm

Compression Ratio:

5.7:1

Cooling System:

Air cooled

Induction:

1 x carburetor type SUM CK 3/500 Fr

Ignition:
Battery ignition

Starting:
Kick

Generator:

Bosch 6V/45W

Clutch:
Single plate, dry

Max Power :

10.4 kW /
14hp @ 4000 rpm

Transmission:
4 Speed

Final
Drive:
Shaft

Gear Ratio:
1st 3.6 / 2nd 2.28 / 3rd 1.70 /
4th 1.30:1

Frame:
Pressed steel duplex frame

Front Suspension:
Plate spring, 9 laminae with
2 friction shock absorbers

Rear Suspension:
Rigid, sping loaded saddle

Front Brake:
∅160mm Drum

Rear Brakes:
∅160mm Drum

Front Tyre:
3.50 x 26″ SS

Rear Tyre:

3.50 x 26″ SS

Wet-Weight:
137 kg / 302 lbs

Fuel Capacity :
12 L / 3.2 US gal