BMW R12 Twin carb 1942 - Specifications & Review
Article Complete Info
| Articleid | 521363 |
|---|---|
| Category | Sport |
| Make | BMW |
| Model | R12 Twin carb |
| Year | 1942 |
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 |
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 |
| Fuelsystem | Carburettor. Amal |
| Gearbox | 4-speed |
| Lubricationsystem | Wet sump |
| Power | 19.99 HP (14.6 kW)) @ 4000 RPM |
| Topspeed | 120.0 km/h (74.6 mph) |
Other Specifications
| Starter | Kick |
|---|
Physical Measures & Capacities
| Dryweight | 185.0 kg (407.9 pounds) |
|---|---|
| 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) |
| Powerweightratio | 0.1081 HP/kg |
About BMW R12 Twin carb 1942
Introduction to the 1942 BMW R12 Twin Carb: A Classic Sport Bike
Step back into the golden age of motorcycling with the 1942 BMW R12 Twin Carb, a remarkable blend of engineering and style that captures the spirit of the era. Designed as a sport motorcycle, the R12 quickly established itself as a formidable contender in the post-war landscape, appealing to enthusiasts who valued both performance and the thrill of the open road. With its iconic boxer engine configuration and sleek lines, the R12 is not just a bike; it’s a piece of history that continues to inspire riders and collectors alike.
Engine Performance and Riding Characteristics
At the heart of the R12 lies a powerful 745cc two-cylinder boxer engine, producing an impressive 19.99 horsepower at 4,000 RPM. This classic four-stroke powerhouse delivers a top speed of 120 km/h (74.6 mph), embodying the spirit of performance that BMW is renowned for. The air-cooled design, complemented by a sophisticated Amal carburettor fuel system, ensures a responsive throttle and an exhilarating ride. Riders will appreciate the smoothness of the 4-speed gearbox, paired with a dry multiplate clutch that provides precise engagement and control. The balanced weight of 185 kg (407.9 pounds) allows for agile handling, making the R12 a joy to navigate through twisty roads or along open highways.
Key Features and Technology
The R12 is not just about raw power; it's a testament to innovative engineering of its time. The steel double cradle frame offers exceptional stability, while the cartridge front suspension and rigid rear suspension maintain a comfortable ride even on uneven surfaces. Stopping power is provided by single expanding drum brakes in the front and rear, ensuring reliable deceleration as you carve through corners. With a fuel capacity of 14 liters (3.70 gallons), the R12 allows for extended rides without frequent stops, making it a perfect companion for long-distance journeys. The classic kickstarter adds a charming touch, evoking nostalgia while providing the rider with a direct connection to the machine.
Pros and Cons
Pros:
- Timeless Design: The classic aesthetic and boxer engine are iconic, making it a highly collectible piece.
- Smooth Performance: The engine delivers a good balance of power and torque, ensuring a responsive ride.
- Stable Handling: The steel frame and suspension setup provide excellent stability, enhancing rider confidence.
Cons:
- Limited Power Output: At just under 20 HP, the R12 may lack the modern performance expected by today’s riders.
- Manual Kickstart: The absence of an electric starter can be a drawback for those accustomed to modern conveniences.
- Weight Consideration: While stable, the R12's weight may hinder agility compared to lighter contemporary models.
In conclusion, the 1942 BMW R12 Twin Carb stands as a testament to the craftsmanship and engineering prowess of its era. For motorcycle enthusiasts, it offers a unique combination of historical significance, classic styling, and the thrill of riding a true vintage sport bike.