BMW R47 (1927-28)

Make Model: BMW R 47


Year: 1927 – 28
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated, OHV
Hubraum: 494 cm³ / 30,1 cu in.
Bohrung x Hub: 68 x 68 mm
Compression Ratio: 5.8:1
Kühlsystem: Luftgekühlt
Induction: 1 x BMW Spezial 2 valve 22 mm carburetor
Ignition: Bosch magneto ignition
Start: Kick
Clutch: Single plate saucer spring, dry
Max Power: 13.2 kW / 18 hp @ 4000 rpm
Getriebe: 3-Gang
Endantrieb: Welle
Gear Ratio: 1st 2.50 / 2nd 1.50 / 3rd 1.07:1
Rahmen: Doppelschleifen-Stahlrohrrahmen
Front Suspension: Plate spring, 5 laminae
Rear Suspension: Rigid, Spring loaded saddle
Front Brakes: 150mm Drum
Hintere Bremsen: Externe Backenbremse am Getriebe auf Kardanwelle
Front Tyre: 27 x 3.5″ low pressure or 26 x 3.0″ high pressure

Rear Tyre: 27 x 3.5″ low pressure or 26 x 3.0″ high pressure
Wet-Weight: 130 kg / 286 lbs
Kraftstoffkapazität: 14 Liter / 3,6 US gal

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