BMW R 16 series 4

Date 1933

Number sold 1.006 (series 1 - 5)

Price 2.040,- RM

Engine

Internal Designation M 60 S 4
Engine type four-stroke two-cylinder flat-twin
Bore/stroke 83 x 68 mm
Cubic capacity 736 cm3
Max power 33 PS at 4500 rpm
Compression ratio 7 : 1, gegen Ende 6,5 : 1
Valves per cylinder ohv
Carburation system 2 carburettor Amal Typ 6/011 R.H und L.H.
Engine lubrication forced-feed lubrication
Oil pump gear pump

Power transmission

Clutch double discs, dry
Number of gears 3
Shifting manual / Tankkulisse
Gear ratios 2,83 / 1,55 / 1,08
Rear wheel ratio 1 : 4,07 (sidecar 1 : 4,75)
Bevel/crown wheel 14 / 57 teeth (sidecar 12 / 57)

Electrical system

Alternator Bosch magneto generator D 2 L or magneto ignition
Ignition magneto ignition
Spark plugs Bosch W 175 T 1 or Bosch 200 G 24

Suspension

Designation F 66 S 4
Type of frame twin-loop pressed steel frame
Front suspension plate spring, 9 laminae mit Dämpfer-Regulierung
Rear suspension rigid
wheel rims 26 x 3,5 safety rims rims
Tyres front 26 x 3,5 low pressure or 26 x 3,25 high pressure
Tyres rear 26 x 3,5 low pressure or 26 x 3,25 high pressure
Brakes front drum brake Ø 200 mm
Brakes rear cardan brake, breite 55 mm

Dimensions and weights

Length x width x height 2100 x 890 x 950 mm
Wheel base 1380 mm
Tank capacity 14 l
Unladen weight, full tank 165 kg
Load rating 210 kg
Fuel consumption ca. 5 l / 100 km
Oil consumption 1 - 2 l / 1000 km
Top speed 126 km/h

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