BMW R12 Twin carb 1935 - Specifications & Review
Article Complete Info
| Articleid | 800687 |
|---|---|
| Category | Sport |
| Make | BMW |
| Model | R12 Twin carb |
| Year | 1935 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Steel-doble cradle |
|---|---|
| Frontbrakes | Expanding brake (drum brake). Single |
| Frontbrakesdiameter | 200 mm (7.9 inches) |
| Frontsuspension | Cartrige |
| Fronttyre | 3.50-19 |
| Rearbrakes | Expanding brake (drum brake) |
| Rearsuspension | Rigid- |
| Reartyre | 3.5-19 |
| Seat | Spring-mounted seat |
Engine & Transmission
| Borexstroke | 78.0 x 78.0 mm (3.1 x 3.1 inches) |
|---|---|
| Clutch | Dry multiplate-cable operated |
| Compression | 5.2:1 |
| Coolingsystem | Air |
| Displacement | 745.00 ccm (45.46 cubic inches) |
| Enginedetails | Two cylinder boxer, four-stroke |
| Fuelconsumption | 4.50 litres/100 km (22.2 km/l or 52.27 mpg) |
| Fuelsystem | Carburettor. Amal |
| Gearbox | 4-speed |
| Greenhousegases | 104.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Lubricationsystem | Wet sump |
| Power | 19.99 HP (14.6 kW)) @ 4000 RPM |
| Topspeed | 120.0 km/h (74.6 mph) |
Other Specifications
| Carryingcapacity | 300 |
|---|---|
| Starter | Kick |
Physical Measures & Capacities
| Fuelcapacity | 14.00 litres (3.70 gallons) |
|---|---|
| Overallheight | 940 mm (37.0 inches) |
| Overalllength | 2,100 mm (82.7 inches) |
| Overallwidth | 900 mm (35.4 inches) |
| Weightincloilgasetc | 185.0 kg (407.9 pounds) |
About BMW R12 Twin carb 1935
The Classic Charm of the 1935 BMW R12 Twin Carb
The 1935 BMW R12 Twin Carb stands as a testament to the pioneering spirit of early 20th-century motorcycle engineering. Positioned as a sport motorcycle in its time, the R12 was designed to cater to the growing demand for performance and speed among motorcycle enthusiasts. With its sleek lines and iconic BMW styling, it is not just a machine but a piece of history that collectors and riders alike treasure. Its innovative design and engineering prowess laid the groundwork for future BMW models, making it a revered classic in the motorcycle community.
At the heart of the R12 lies a robust 745cc two-cylinder boxer engine, delivering a respectable 19.99 horsepower at 4000 RPM. This four-stroke powerhouse allows the R12 to reach a top speed of 120 km/h (74.6 mph), showcasing its capability as a spirited sport motorcycle. The boxer engine configuration not only contributes to a lower center of gravity, enhancing stability, but also provides a unique riding experience characterized by its distinctive engine pulse. With a compression ratio of 5.2:1 and a fuel consumption of 4.5 liters per 100 km (52.27 mpg), the R12 demonstrates an impressive balance of performance and efficiency, making it a joy to ride on both long journeys and spirited escapades.
The R12 is equipped with several key features that reflect the cutting-edge technology of its time. Its steel double cradle frame ensures durability and rigidity, while the cartridge front suspension contributes to a smoother ride over uneven terrain. The combination of expanding drum brakes at both the front and rear provides reliable stopping power, essential for navigating the fast-paced roads of the era. With a fuel capacity of 14 liters, riders could embark on extended adventures, fueled by a kick starter that adds a touch of authenticity to the vintage experience. The R12 not only embodies the spirit of adventure but also showcases the meticulous craftsmanship that BMW is renowned for.
#### Pros and Cons of the 1935 BMW R12 Twin Carb
Pros:
- Iconic Design: The classic styling and unmistakable BMW aesthetics make the R12 a standout piece in any motorcycle collection.
- Unique Engine Configuration: The boxer engine provides a distinctive riding experience and enhances stability, making it enjoyable to ride.
- Efficient Fuel Consumption: With impressive mileage, the R12 allows for longer rides without frequent fuel stops.
Cons:
- Limited Power Output: While adequate for its time, the 19.99 HP may not satisfy modern riders seeking high-performance motorcycles.
- Drum Brakes: The expanding drum brakes, though functional, are less effective than contemporary disc brakes, potentially limiting braking performance.
- Rigid Rear Suspension: The rigid rear design can lead to a harsher ride on bumpy roads compared to modern motorcycles with advanced suspension systems.
In summary, the 1935 BMW R12 Twin Carb is a remarkable blend of history, performance, and craftsmanship. Its enduring appeal captivates motorcycle enthusiasts, ensuring its legacy continues to be celebrated by riders and collectors around the world. Whether you’re cruising the highways or showcasing it at a vintage motorcycle event, the R12 is sure to turn heads and ignite conversations about the golden age of motorcycling.