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BMW R 37

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Make Model

BMW R 37

Year

1925 - 27

Engine

Four stroke, two cylinder horizontally opposed Boxer, pushrod operated, OHV

Capacity

494 cc / 30.1 cu in.
Bore x Stroke 68 x 68 mm
Compression Ratio

6.2:1

Cooling System Air cooled

Induction

1 x BMW Spezial three valve ∅26 mm

Ignition

Bosch magneto ignition

Starting

Kick

Clutch Single plate saucer spring, dry

Max Power

11.9 kW / 16 hp @ 4000 rpm

Transmission  /  Drive

3 Speed
Gear Ratio 1st 2.50 / 2nd 1.50 / 3rd 1.08:1
Frame Twin loop tubular frame

Front Suspension

Twin cantilever spring

Rear Suspension

Rigid, spring loaded saddle

Front Brakes

150mm Drum

Rear Brakes

Block brake

Front Tyre

26 x 3.00"

Rear Tyre

26 x 3.00"

Wet-Weight

134 kg / 295 lbs

Fuel Capacity 

14 liters / 3.6 USgal
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