BMW R 26

BMW R 26 Date 1956 - 1960

Number sold 30.236

Price 2.150,- DM

Engine

internal designation 226/1
engine type four-stroke vertical single cylinder engine
Bore/stroke 68 x 68 mm
Cubic capacity 247 cm3
Max power 15 PS at 6400 rpm
Compression ratio 7,5 : 1
Valves per cylinder ohv
Carburation system 1 carburettor Typ Bing 1 / 26 / 46
Engine lubrication forced-feed lubrication
oil pump gear pump

Power transmission

Clutch single discs, dry
Number of gears 4
shifting foot shifting
Gear ratios 5,33 / 3,02 / 2,04 / 1,54
Rear wheel ratio 4,16 : 1 (with sidecar 5,2 : 1)
Bevel/crown wheel 6 / 25 teeth (with sidecar 5 / 26)

Electrical system

Alternator Noris ZLZ 60/6/1600 1/L
Ignition battery ignition
Spark plugs Bosch W 240 T 1

Suspension

designation 226/1
Type of frame steel twin-loop frame, welded
Front suspension long swing arm with suspension units and oil-pressure dampers
Rear suspension long swinging arm with strut and oil-pressure dampers
wheel rims deep-bedwheel rims 2,15 B x 18
Tyres front 3,25 x 18
Tyres rear 3,25 x 18
Brakes front drum brake 160 mm, full hub
Brakes rear drum brake 160 mm, full hub

Dimensions and weights

Length x width x height 2090 x 660 x 975 mm
Wheel base 1390 mm (with sidecar 1415 mm)
Tank capacity 15 l
Unladen weight, full tank 158 kg
permitted loading 325 kg (with sidecar 480 kg)
riding/exhaust noise 77/81 phon, from 22/5/1957: 75/78 phon, from 22/12/1958: 81/82 phon
Fuel consumption ca. 3,3 l / 100 km
oil consumption ca. 0,5 - 1 l / 1000 km
Top speed 128 km/h (with sidecar 90 km/h)

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