BMW R4 Series 2 1933 - Specifications & Review
Article Complete Info
| Articleid | 460566 |
|---|---|
| Category | Allround |
| Make | BMW |
| Model | R4 Series 2 |
| Year | 1933 |
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. SUM CK 3/500 Fr |
| Greenhousegases | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Lubricationsystem | Wet sump |
| Power | 12.00 HP (8.8 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 | 10.00 litres (2.64 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 2 1933
Introducing the 1933 BMW R4 Series 2: A Timeless Classic
Step into the golden age of motorcycling with the 1933 BMW R4 Series 2, a striking embodiment of engineering and design from one of the most revered names in the industry. Positioned as an all-rounder, the R4 Series 2 was crafted for enthusiasts who sought both performance and practicality. Its elegant, vintage lines and robust frame make it an iconic piece of history, appealing to collectors and riders who appreciate the unique character of early 20th-century motorcycles. With its combination of style and substance, the R4 Series 2 represents a pivotal moment in BMW's legacy, showcasing the brand's commitment to quality and innovation.
At the heart of the R4 Series 2 lies a spirited 398 cc single-cylinder, four-stroke engine that churns out a respectable 12 horsepower at 4,000 RPM. While the power output may seem modest by today's standards, it perfectly complements the bike's lightweight frame, allowing for a top speed of 100 km/h (62.1 mph). The air-cooled engine, combined with a well-tuned carburettor (SUM CK 3/500 Fr), ensures a smooth ride, enhanced by the bike's efficient fuel consumption of just 3.50 litres per 100 km. The dry-single plate clutch and shaft drive (cardan) provide a straightforward and reliable riding experience, making the R4 Series 2 an excellent option for both novice riders and seasoned motorcyclists seeking to relive the thrill of the road in a bygone era.
The R4 Series 2 is rich with features that reflect the technology of its time. Its pressed steel duplex frame offers not only durability but also a distinctive aesthetic appeal. The bike's suspension system combines a cartridge front setup with a rigid rear, providing stability and comfort on varied terrains. Stopping power is managed by reliable drum brakes on both the front and rear, each with a diameter of 180 mm, ensuring riders can confidently navigate through the twists and turns of the road. With a fuel capacity of 10 litres (2.64 gallons), riders can enjoy longer journeys without the constant worry of refueling, while the classic kick starter adds a nostalgic touch to the riding experience.
PROs:
- Classic Aesthetic: The vintage design and iconic BMW branding attract enthusiasts and collectors alike.
- Efficient Fuel Consumption: With a remarkable 67.21 mpg, the R4 Series 2 is economical for long rides.
- Reliable Performance: The simple and robust engineering of the engine and drivetrain provides a dependable riding experience.
CONs:
- Limited Power: The modest horsepower output may not satisfy those seeking high-performance riding.
- Rigid Rear Suspension: The lack of a more advanced rear suspension may result in a less comfortable ride on rough roads.
- Kick Start Only: The absence of an electric starter may deter some riders used to the convenience of modern motorcycles.
In summary, the 1933 BMW R4 Series 2 is not just a motorcycle; it's a piece of history that continues to resonate with enthusiasts around the world. Its combination of classic styling, efficient performance, and dependable engineering makes it a beloved choice for those who appreciate the art of motorcycling.