BMW R 51/3 SPECIFICATIONS, PRICE & IMAGES

Bike Features

Make Model:
BMW R 51/3

Year:
1951 – 55

Engine:
Four stroke,
two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.

Capacity:
494 cc / 30.1 cu in.

Bore x Stroke:
68 x 68 mm

Compression Ratio:

6.3:1

Cooling System:
Air cooled

Induction:
2x Bing 1/22/41
– 1/22/42 or 1/22/61 – 1/22/62

Ignition:

Bosch coil with manual advance by the handlebar lever

Starting:

Kick

Clutch:
Single plate, dry

Max Power :
18 kW / 24 hp @ 5800 rpm

Transmission:
4 Speed

Final
Drive:
Shaft

Gear Ratio:
1st 3.60 / 2nd 2.28 / 3rd 1.70 / 4th 1.30:1

Frame:
Closed double loop steel tubular frame

Front Suspension:

Telescopic fork with hydraulic damping, plunger type

Rear Suspension:
Spring with coil compression springs
and rubber deflection stops

Front Brakes:
∅200mm Drum, duplex full hub

Rear Brakes:
∅200mm Drum, simplex full hub

Front Tyre:
3.50 -19″ Metzeler

Rear Tyre:

3.50 -19″ Metzeler

Wet-Weight:
190 kg / 418 lbs

Fuel Capacity :
17 liters
/ 4.4 US gal