Technical specifications
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| Model: |
R 3 |
| Years: |
1936 |
|
Engine:
|
Four stroke, single cylinder vertical
|
|
Capacity:
|
305 cc / 18.6 cu in.
|
|
Bore x Stroke:
|
68 x 84 mm
|
|
Compression Ratio:
|
6.0:1
|
|
Cooling System:
|
Air cooled
|
|
Induction:
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1 x Register carburettor SUM type CK 3/500
|
|
Ignition:
|
Battery ignition
|
|
Starting:
|
Kick
|
|
Generator:
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Bosch 6V/45/70 W
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|
Clutch:
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Single plate, dry
|
|
Max Power:
|
8.2 kW / 11hp @ 4200 rpm
|
|
Transmission:
|
4 Speed
|
|
Final Drive:
|
Shaft
|
|
Gear Ratio:
|
1st 3.6 / 2nd 2.18 / 3rd 1.35 / 4th 1.00:1
|
|
Frame:
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Pressed steel duplex frame
|
|
Front Suspension:
|
Cantilever spring, 9 laminae with friction shock absorber
|
|
Rear Suspension:
|
Rigid
|
|
Front Brake:
|
∅200mm Drum
|
|
Rear Brakes:
|
∅200mm Drum
|
|
Front Tyre:
|
3.50 x 26" balloon
|
|
Rear Tyre:
|
3.50 x 26" balloon
|
|
Wet-Weight:
|
149 Kg / 328 lbs
|
|
Fuel Capacity:
|
12 L / 3.2 US gal
|