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R61

Model Documentation
- R61 Owners handbook (German language) (published 1938) (7.3 MB)
- R61 Owners handbook (English language) (published 1938) (5.5 MB)
- R61 Owners handbook (German language) (published 1939) (6.8 MB)
- R61 parts manual (German language) (published 1938) (14.1 MB)
- R61 parts manual (German language) (published 1939) (6.7 MB)
- R61 parts manual (German language) (published 1941) (1.7 MB)
- R61 parts manual (German language) (published 1942) (8.6 MB)
Model Specifications | |
---|---|
Drivetrain | |
Displacement | 600cc |
Cylinders | 2 |
Bore x Stroke (mm) | 70 x 78 |
HP @ RPM | 18 @ 4800 |
Compression Ratio | 5.7:1 |
Valves | Sidevalve, 2 per cylinder |
Clutch | Dry, single plate, cable operated |
Transmission | 4 speed, foot shifted |
Final Drive | Driveshaft |
Running Gear | |
Frame | Tubular steel double cradle |
Front Suspension | Hydraulically damped telescopic fork |
Rear Suspension | Plunger |
Front Brakes | 200mm drum, single leading shoe |
Rear Brakes | 200mm drum, single leading shoe |
Electrical | |
Ignition | Battery/coil |
Spark Plugs | Bosch W175T1 |
Generator | Bosch RD 45/6 6V 45/70W (early) RD 50/6 6V 50/75W (late) |
Capacities & Measurements | |
Weight | 184kg |
Fuel | 14l |
Wheelbase | 1400mm |
Top Speed | 115kph |
Number Produced | 3747 |
Second range of frame and engine numbers were built in 1941 and came from the factory with matching numbers.
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.