BMW R 1200C (1998-99) vs BMW R 47 (1927-28)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 1200C | R 47 |
| Years: | 1998-99 | 1927-28 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated, OHV |
| Capacity: | 1170 cc / 71.4 cu in. | 494 cc / 30.1 cu in. |
| Bore x Stroke: | 101 x 73mm | 68 x 68 mm |
| Cooling System: | Air/Oil cooled | Air cooled |
| Compression Ratio: | 10.0:1 | 5.8:1 |
| Induction: | Bosch Motronic MA 2.4 Fuel injection | 1 x BMW Spezial 2 valve 22 mm carburetor |
| Ignition: | Digital CDI Bosch Electronic | Bosch magneto ignition |
| Starting: | Electric | Kick |
| Max Power: | 44.5 kW / 61 hp @ 5000 rpm | 13.2 kW / 18 hp @ 4000 rpm |
| Clutch: | Dry, single plate, hydraulic operated | Single plate saucer spring, dry |
| Transmission: | 5 Speed | 3 Speed |
| Final Drive: | Shaft | Shaft |
| Gear Ratio: | 1st 2.045 / 2nd 1.600 / 3rd 1.267 / 4th 1.038 / 5th 0.800:1 | 1st 2.50 / 2nd 1.50 / 3rd 1.07:1 |
| Frame: | Three section composite frame consisting of front & rear section, load bearing engine | Twin loop steel tubular frame |
| Front Suspension: | Motorrad Telelever, stanchion ∅35mm, central strut | Plate spring, 5 laminae |
| Rear Suspension: | Die cast aluminium single sided swinging arm with BMW Motorrad Monolever, WAD strut (travel related damping), spring preload adjustable to continuously variable levels by means of hydraulic handwheel. | Rigid, Spring loaded saddle |
| Front Brakes: | 2 x ∅305mm discs, 4 piston calipers | ∅150mm Drum |
| Rear Brakes: | Single ∅285mm disc, 2 piston caliper | External shoe brake at the gearing on Cardan shaft |
| Front Tyre: | 100/90-18 | 27 x 3.5" low pressure or 26 x 3.0" high pressure |
| Rear Tyre: | 170/80-15 | 27 x 3.5" low pressure or 26 x 3.0" high pressure |
| Wet Weight: | 255 kg / 565 lbs | 130 kg / 286 lbs |
| Fuel Capacity: | 17.5 Litres / 4.5 gal | 14 liters / 3.6 US gal |