General information of BMW R4 Series 3
| Model | BMW R4 Series 3 |
|---|---|
| Type | Allround |
| Engine | 398.00 ccm (24.29 cubic inches) |
| Power | 14.00 HP (10.2 kW)) @ 4000 RPM |
| Torque | – |
Photos
Specifications
Model BMW R4 Series 3 is a type of motorcycle Allround, produced by BMW. This 1934 model.
Engine size 398.00 ccm (24.29 cubic inches), engine type Single cylinder, four-stroke, – valves per cylinder, – gearbox, and transmission the type Shaft drive (cardan).
Fuel system – Carburettor. In the motorcycle BMW R4 Series 3 1934 uses a cooling system of the type Air.
Full speed BMW R4 Series 3 – 100.0 km/h (62.1 mph).
Acceleration from 0 to 100 km/h – -.
Fuel tank volume 12.00 litres (3.17 gallons), and a reserve of -. Fuel consumption averaged 3.50 litres/100 km (28.6 km/l or 67.21 mpg).
Front brake – Expanding brake (drum brake), 180 mm (7.1 inches); rear brake – Expanding brake (drum brake), 180 mm (7.1 inches). Stock tire sizes are 3.50-26.00 on the front, and 3.50-26.00 on the rear.
More technical specifications for BMW R4 Series 3 1934, see below.
Specs BMW R4 Series 3 1934
| Brand | BMW |
|---|---|
| Model | BMW R4 Series 3 |
| Year | 1934 |
| Displacement | 398.00 ccm (24.29 cubic inches) |
| Engine type | Single cylinder, four-stroke |
| Power | 14.00 HP (10.2 kW)) @ 4000 RPM |
| Compression | 5.7:1 |
| Fuel system | Carburettor |
| Engine details | – |
| Max RPM | – |
| Cooling system | Air |
| Bore x stroke | 84.0 x 78.0 mm (3.3 x 3.1 inches) |
| Torque | – |
| Ignition | – |
| Starter | Kick |
| Oil capacity | – |
| Lubrication system | Wet sump |
| Valves per cylinder | – |
| Exhaust system | – |
| Gearbox | – |
| Transmission type, final drive | Shaft drive (cardan) |
| Clutch | Dry-single plate-cable operated |
| Driveline | – |
| Fuel consumption | 3.50 litres/100 km (28.6 km/l or 67.21 mpg) |
| Fuel control | Overhead Valves (OHV) |
| Fuel capacity | 12.00 litres (3.17 gallons) |
| Reserve fuel capacity | – |
| Wheels | – |
| Front tyre | 3.50-26.00 |
| Rear tyre | 3.50-26.00 |
| Front brakes | Expanding brake (drum brake) |
| Front brakes diameter | 180 mm (7.1 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Rear brakes diameter | 180 mm (7.1 inches) |
| Wheelbase | 1,300 mm (51.2 inches) |
| Weight incl. oil, gas, etc | 137.0 kg (302.0 pounds) |
| Dry weight | – |
| Power/weight ratio | – |
| Seat height | – |
| Overall height | 950 mm (37.4 inches) |
| Overall length | 1,980 mm (78.0 inches) |
| Overall width | 850 mm (33.5 inches) |
| Carrying capacity | 200kg |
| Ground clearance | – |
| Alternate seat height | – |
| Trail | – |
| Front suspension | Cartridge |
| Rear suspension | Rigid |
| Rake (fork angle) | – |
| Front wheel travel | – |
| Rear wheel travel | – |
| Front percentage of weight | – |
| Rear percentage of weight | – |
| Top speed | 100.0 km/h (62.1 mph) |
| 0-100 km/h (0-62 mph) | – |
| 1/4 mile (0.4 km) | – |
| Color options | – |
| Seat | Solo seat with springs |
| Frame type | Pressed steel duplex |
| Instruments | – |
| Emission details | – |
| Electrical | – |
| Light | – |
| Comments | – |
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