BMW R 12 (1935-42) technical specifications
BMW R 12 is produced in 1935-42. Engine is Four stroke, two cylinder flat twin, SV, displacement 745 , produces power 14.9 kW / 20hp @ 4000 rpm (Single Carburetor model: 13.4 kW / 18hp @ 3400 rpm). BMW R 12 wet weight is 185 kg / 408 lbs. BMW R 12 has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | R 12 |
| Years: | 1935-42 |
| Engine: | Four stroke, two cylinder flat twin, SV |
| Capacity: | 745 |
| Bore x Stroke: | 78 x 78 mm |
| Compression Ratio: | 5.2:1 |
| Cooling System: | Air cooled |
| Induction: | 2 x Amal 6/406/407 (Single Carburetor option: 1 x SUM type CK ∅25 mm) |
| Ignition: | Magneto or battery ignition |
| Starting: | Kick |
| Generator: | Bosch D 245 RS 108 |
| Clutch: | Double plate dry clutch |
| Max Power: | 14.9 kW / 20hp @ 4000 rpm (Single Carburetor model: 13.4 kW / 18hp @ 3400 rpm) |
| Transmission: | 4 Speed |
| Final Drive: | Shaft |
| Gear Ratio: | 1st 3.18 / 2nd 2.06 / 3rd 1.42 / 4th 1.09:1 |
| Frame: | Pressed steel twin loop frame |
| Front Suspension: | Telescopic fork |
| Rear Suspension: | Rigid, spring loaded saddle |
| Front Brake: | ∅200mm Drum |
| Rear Brakes: | ∅200mm Drum |
| Front Tyre: | 3.00 x 19" |
| Rear Tyre: | 3.50 x 19" |
| Wet-Weight: | 185 kg / 408 lbs |
| Fuel Capacity: | 14 L / 3.7 US gal |
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