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R52
Model Documentation
- R52 Owners handbook (German language) (published 1928) (6.2 MB)
- R52 Owners handbook (German language) (published 1929) (8.5 MB)
- R52 Owners manual (German language) (published 1929) (3.7 MB)
- R52 Owners handbook (English language) (published 1929) (5.7 MB)
- R52 Owners handbook (German language) (published 1931) (7.6 MB)
Model Specifications | |
|---|---|
| Drivetrain | |
| Displacement | 486cc |
| Cylinders | 2 |
| Bore x Stroke (mm) | 63 x 78 |
| HP @ RPM | 12 @ 3400 |
| Compression Ratio | 5.0:1 |
| Valves | Sidevalve, 2 per cylinder |
| Clutch | Dry, single plate (dual plate from engine #50761), cable operated |
| Transmission | 3 speed, hand shifted |
| Final Drive | Driveshaft |
| Running Gear | |
| Frame | Tubular double loop, brazed |
| Front Suspension | Undamped, trailing link, leaf spring |
| Rear Suspension | Rigid |
| Front Brakes | 200mm drum, single leading shoe |
| Rear Brakes | Contracting shoe drum on driveshaft, heel operated |
| Electrical | |
| Ignition | Bosch magneto |
| Spark Plugs | Bosch W175 |
| Generator | Bosch magneto/generator |
| Capacities & Measurements | |
| Weight | 152kg |
| Fuel | 12.5l |
| Wheelbase | 1400mm |
| Top Speed | 100kph |
| Number Produced | 4377 |
The information provided here was obtained from a variety
of public sources and may not reflect official BMW archival data.
Please contact the BMW Archives for official data
regarding models.