Start of Production

1960

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End of Production

1969

Numbers Produced

11,317

Price

4,030 DM

Engine

 

Internal Designation

268/3

Motor Type

Four-stroke two cylinder flat twin

Bore x Stroke

72 x 73 mm (2.83 x 2.87 in)

Displacement

594 cc

Max Power

42 hp at 7,000 rpm

Compression Ratio

9.5 : 1

Valves

OHV

Carburation System

2 x carburettor, Type Bing 1/26/75 - 1/26/76 or 1/26/91 - 1/26/92

Engine Lubricating System

Forced feed lubrication

Oil Pump

Gear pump



Power Transmission

 

Clutch

Single plate, saucer spring, dry

Number of Gears

4

Shifting

Foot shifting

Gearbox Ratios

4.17 / 2.73 / 1.94 / 1.54

Rear Wheel Ratio

1: 3.375 or 1 : 3.13 (with sidecar 1 : 4.33)

Bevel/Crownwheel

8/25 or 8/27 teeth (with sidecar 6 / 26)



Electrical System

 

Ignition System

Magneto ignition

Generator

Bosch LJ/CGE 60/6/1700 R

Spark Plugs

Bosch W 260 T1 or Beru 260/14






Chassis

 

Designation

245/2

Frame

Double loop steel tubular frame

Front wheel suspension

Long swing arm with suspension units and oil pressure shock absorbers

Rear wheel suspension

Long swing arm with suspension units and oil pressure shock absorbers

Wheel rims

Deep bed 2.15B x 18 (with sidecar, rear 2.75C x 18)

Tyres, Front

3.5 x 18 S

Tyres, Rear

3.50 S (4 x 18 S with sidecar)

Brakes, Front

Drum brake 200 mm / 7.87 in diameter duplex full hub

Brakes, Rear

Drum brake 200 mm / 7.87 in diameter simplex full hub




Dimensions/Weights

 

Length x Width x Height

2125 x 722 x 980 mm (83.66 x 28.42 x 38.58 in)

Wheel Base

1415 mm / 55.70 in (with original sidecar 1450 mm / 57.08 in)

Fuel Tank Capacity

17 litres / 3.73 gal / 4.49 gal US

Unladen Weight with Full Tank

202 Kg  / 444lb (with original sidecar 324 Kg / 713 lb)

Idle/Riding Noise

84/82 DIN phon (from 13/9/1966: 78/84 dB(A))

Load Rating

360 Kg / 792 lb (with original sidecar 600 Kg / 1321 lb)

Fuel Consumption

5.3 litres 100 Km approx / 53 mpg / 44 mpg US

Oil Consumption

0.5 - 1 litres per 1,000 Km approx.

Top Speed

175 Kph / 108 mph

Information kindly supplied by P.Hawksley

www.bmbikes.co.uk