BMW R 1150R (2001-02) vs BMW R 4 (1932-37)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 1150R | R 4 |
| Years: | 2001-02 | 1932-37 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, single cylinder vertical |
| Capacity: | 1130 cc / 69 cu in | 498 cc / 30.4 cu in. |
| Bore x Stroke: | 101 x 70.5 mm | 84 x 78 mm |
| Cooling System: | Air/Oil cooled | Air cooled |
| Compression Ratio: | 10.3:1 | 5.7:1 |
| Induction: | Bosch Motronic MA 2.4 Fuel injection | 1 x carburetor type SUM CK 3/500 Fr |
| Ignition: | Electronic ignition MA 2.2 Bosch Motronic | Battery ignition |
| Starting: | Electric | Kick |
| Max Power: | 70 kW / 95 hp @ 7250 rpm | 10.4 kW / 14hp @ 4000 rpm |
| Clutch: | Dry, single plate, hydraulic operated | Single plate, dry |
| Transmission: | 6 Speed | 4 Speed |
| Final Drive: | Shaft | Shaft |
| Frame: | Three section composite frame consisting of front & rear section, load bearing engine | Pressed steel duplex frame |
| Front Suspension: | Telelever with central spring strut & linear-rate coil spring. Twin-tube gas-filled shock | Plate spring, 9 laminae with 2 friction shock absorbers |
| Rear Suspension: | Patented BMW Paralever swingarm & shaft drive, single tube gas filled shock, variable rebound setting | Rigid, sping loaded saddle |
| Rear Brakes: | Single 276 mm disc, 2 piston caliper | ∅160mm Drum |
| Front Tyre: | 120/70 ZR17 | 3.50 x 26" SS |
| Rear Tyre: | 170/60 ZR18 | 3.50 x 26" SS |
| Fuel Capacity: | 20.4 Liters / 5.3 gal | 12 L / 3.2 US gal |