BMW R4 Series 3 1934 - Specifications & Review
Article Complete Info
| Articleid | 517534 |
|---|---|
| Category | Allround |
| Make | BMW |
| Model | R4 Series 3 |
| Year | 1934 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Pressed steel duplex |
|---|---|
| Frontbrakes | Expanding brake (drum brake) |
| Frontbrakesdiameter | 180 mm (7.1 inches) |
| Frontsuspension | Cartridge |
| Fronttyre | 3.50-26.00 |
| Rearbrakes | Expanding brake (drum brake) |
| Rearbrakesdiameter | 180 mm (7.1 inches) |
| Rearsuspension | Rigid |
| Reartyre | 3.50-26.00 |
| Seat | Solo seat with springs |
Engine & Transmission
| Borexstroke | 84.0 x 78.0 mm (3.3 x 3.1 inches) |
|---|---|
| Clutch | Dry-single plate-cable operated |
| Compression | 5.7:1 |
| Coolingsystem | Air |
| Displacement | 398.00 ccm (24.29 cubic inches) |
| Enginedetails | Single cylinder, four-stroke |
| Fuelconsumption | 3.50 litres/100 km (28.6 km/l or 67.21 mpg) |
| Fuelsystem | Carburettor |
| Greenhousegases | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Lubricationsystem | Wet sump |
| Power | 14.00 HP (10.2 kW)) @ 4000 RPM |
| Topspeed | 100.0 km/h (62.1 mph) |
| Transmissiontypefinaldrive | Shaft drive (cardan) |
Other Specifications
| Carryingcapacity | 200kg |
|---|---|
| Starter | Kick |
Physical Measures & Capacities
| Fuelcapacity | 12.00 litres (3.17 gallons) |
|---|---|
| Overallheight | 950 mm (37.4 inches) |
| Overalllength | 1,980 mm (78.0 inches) |
| Overallwidth | 850 mm (33.5 inches) |
| Weightincloilgasetc | 137.0 kg (302.0 pounds) |
About BMW R4 Series 3 1934
Discover the 1934 BMW R4 Series 3: A Timeless Classic
Step back in time to the roaring thirties, where the 1934 BMW R4 Series 3 emerged as a distinctive figure in the realm of all-round motorcycles. Designed for the discerning rider who craved both performance and versatility, the R4 Series 3 encapsulated BMW's commitment to engineering excellence. With its blend of classic aesthetics and robust functionality, this motorcycle appealed to a generation of motorcyclists eager to explore the open road and experience the thrill of two-wheeled freedom.
At the heart of the R4 Series 3 lies a spirited 398cc single-cylinder, four-stroke engine that delivers a respectable 14 horsepower at 4,000 RPM. Riders can expect a top speed of 100 km/h (62.1 mph), a respectable figure for its era, allowing for exhilarating journeys on winding country roads. With a compression ratio of 5.7:1 and a finely-tuned carburettor fueling the machine, the engine provides a smooth and reliable ride, enhanced further by its air-cooling system. The shaft drive (cardan) ensures minimal maintenance while delivering power seamlessly to the rear wheel, making the R4 a joy to handle, whether navigating city streets or embarking on longer adventures.
What sets the BMW R4 Series 3 apart are its meticulously designed features that combine both practicality and elegance. The pressed steel duplex frame provides a solid foundation, while the cartridge front suspension and rigid rear suspension offer a balanced ride, even on less-than-perfect roads. The drum brakes, with a uniform diameter of 180 mm, provide dependable stopping power to match its spirited performance. And with a fuel capacity of 12 liters (3.17 gallons) and an impressive fuel consumption rate of 3.50 liters per 100 km (67.21 mpg), the R4 Series 3 is perfect for long-distance rides without frequent stops at the pump.
#### PROs and CONs
PROs:
- Classic Design: The R4 Series 3 showcases the timeless style that makes vintage motorcycles so appealing, with elegant lines and a refined aesthetic.
- Durable Engine: The single-cylinder engine is known for its reliability and ease of maintenance, making it a great choice for both enthusiasts and collectors.
- Fuel Efficiency: With impressive fuel consumption figures, this motorcycle allows riders to cover long distances without frequent refueling.
CONs:
- Limited Power: While adequate for casual rides, the 14 HP output may feel underwhelming for those seeking a more aggressive performance.
- Basic Suspension: The rigid rear suspension might not provide the comfort expected on prolonged journeys over rough terrain.
- Kick Start Only: The absence of an electric starter limits convenience, especially for those accustomed to modern motorcycles.
The 1934 BMW R4 Series 3 is a motorcycle that truly encapsulates the spirit of its time, melding style, performance, and reliability into a captivating ride for enthusiasts and collectors alike. Whether you’re a seasoned rider or a curious newcomer, the R4 Series 3 promises a unique experience that celebrates the golden age of motorcycling.