BMW R 67 / 3

BMW R 67 / 3 Date 1955 - 1956

Number sold 700

Price 3.235,- DM

Engine

internal designation 267 / 2
engine type four-stroke two-cylinder flat-twin
Bore/stroke 72 x 73 mm
Cubic capacity 594 cm3
Max power 28 PS at 5600 U /min
Compression ratio 6,5 : 1
Valves per cylinder ohv
Carburation system 2 carburettor Typ Bing 1/24/25 - 1/24/26
Engine lubrication forced-feed lubrication
oil pump gear pump

 
Power transmission

Clutch single discs, dry
Number of gears 4
shifting foot shifting (+ auxiliary manual lever on the gear block)
Gear ratios 4,0 / 2,28 / 1,7 / 1,3
Rear wheel ratio 1 : 3,56 (with sidecar 4,38 : 1)
Bevel/crown wheel 9 / 32 teeth (with sidecar 8 / 35)

 
Electrical system

Alternator Noris 6 Volt L 45/60 L
Ignition magneto ignition
Spark plugs Bosch W 240 T 1

 
Suspension

designation 251/5
Type of frame twin-loop steel tubular frame
Front suspension telescopic fork
Rear suspension telescopic fork
wheel rims deep-bed3 x 19 ( at sidecar, rear 4 x 18)
Tyres front 3,50 x 19
Tyres rear 3,50 x 19 ( at sidecarbetrieb hinten 4 x 18)
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 2130 x 790 x 985 mm
Wheel base 1400 mm
Tank capacity 17 l
Unladen weight, full tank 192 kg (with orig. BMW sidecar 320 kg)
load rating 355 kg (with orig. BMW sidecar 600 kg)
idle/riding noise 85 / 87 phon
Fuel consumption ca. 4,6 l / 100 km
oil consumption ca. 0,7 l / 1000 km
Top speed 145 km/h (with orig. BMW sidecar 110 km/h)