BMW R 69 S

BMW R 69 S Date 1960 - 1969

Number sold 11.317

Price 4.030,- DM

Engine

internal designation 268 / 3
engine type four-stroke two-cylinder flat-twin
Bore/stroke 72 x 73 mm
Cubic capacity 594 cm3
Max power 42 PS at 7000 U /min
Compression ratio 9,5 : 1
Valves per cylinder ohv
Carburation system 2 carburettor Bing 1/26/75 - 1/26/76 or 1/26/91 - 1/26/92
Engine lubrication forced-feed lubrication
oil pump gear pump

 
Power transmission

Clutch single disc saucer spring, dry
Number of gears 4
shifting foot shifting
Gear ratios 4,17 / 2,73 / 1,94 / 1,54
Rear wheel ratio 1 : 3,13 or 1:3,375 (with sidecar 1 : 4,33)
Bevel/crown wheel 8 / 27 or 8 / 25 teeth (with sidecar 6 / 26)

 
Electrical system

Alternator Bosch LJ/CGE 60/6/1700 R
Ignition magneto ignition
Spark plugs Bosch W 260 T 1 or Beru 260 / 14

 
Suspension

designation 245/2
Type of frame twin-loop steel tubular frame
Front suspension long swinging arm with strut und oil-pressure shock absorbers
Rear suspension long swinging arm with strut und oil-pressure shock absorbers
wheel rims deep-bed 2,15B x 18, at sidecar, rear 2,75C x 18
Tyres front 3,50 x 18 S
Tyres rear 4,00 x 18 S
Brakes front drum brake, 200 mm Duplex full hub
Brakes rear drum brake, 200 mm Simplex full hub

 
Dimensions and weights

Length x width x height 2125 x 722 x 980 mm
Wheel base 1415 mm (with sidecar 1450 mm)
Tank capacity 17 l
Unladen weight, full tank 202 kg (with orig. BMW sidecar 324 kg)
load rating 360 kg (with orig. BMW sidecar 600 kg)
idle/riding noise 84 / 82 DIN-phon (from13.9.1966: 78 / 84 dB(A))
Fuel consumption ca. 5,3 l / 100 km
oil consumption ca. 0,5 - 1 l / 1000 km
Top speed 175 km/h