BMW R 42 SPECIFICATIONS, PRICE & IMAGES

Bike Features

Make Model:
BMW R 42

Year:
1926 – 28

Engine:
Four stroke,
two cylinder horizontally opposed Boxer, pushrod operated,
SV

Capacity:
494 cc / 30.1 cu in.

Bore x Stroke:
68 x 68 mm

Compression Ratio:

4.9:1

Cooling System:
Air cooled

Induction:
1 x BMW
Spezial 2 valve, ∅22 mm

Ignition:

Bosch magneto ignition

Starting:

Kick

Clutch:
Single plate saucer spring, dry

Max Power :
8.9kW / 12 hp @ 3400 rpm

Transmission:
3 Speed

Final
Drive:
Shaft

Gear Ratio:
1st 2.50 / 2nd 1.50 / 3rd 1.07:1

Frame:
Twin loop steel tubular frame

Front Suspension:

Plate spring, 5 laminae

Rear Suspension:
Rigid, Spring loaded saddle

Front Brakes:
∅150mm Drum

Rear Brakes:
External shoe brake at the gearing on Cardan
shaft

Front Tyre:
27 x 3.5″ low pressure or 26 x 3.0″ high pressure

Rear Tyre:

27 x 3.5″ low pressure or 26 x 3.0″ high pressure

Wet-Weight:
126 kg / 277 lbs

Fuel Capacity :
14 liters
/ 3.6 US gal