BMW S 1000R / Style Sport package / M package (2021) vs Bultago Bultaco Alpina 250 (1971-79) vs Cagiva Elefant 650 (1987-89)
Comparison technical specifications
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| Make: | BMW | Bultago | Cagiva |
| Model: | S 1000R / Style Sport package / M package | Bultaco Alpina 250 | Elefant 650 |
| Years: | 2021 | 1971-79 | 1987-89 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, 90° “L”twin cylinder, SOHC, desmodromic 2 valve per cylinder. | |
| Capacity: | 999 cc / 60.9 cu-in | 649 cc / 39.6 cu-in | |
| Bore x Stroke: | 80 x 49.7 mm | 82 x 61 mm | |
| Compression Ratio: | 12.5:1 | 10.0:1 | |
| Induction: | Electronic intake pipe fuel injection, BMS-K+ electronic engine management with overrun cut-off, twin-spark ignition: BMS-O with e-gas | 2x 36mm Dell'Orto carburetors | |
| Starting: | Electric | Kick | Electric |
| Max Power: | 121 kW / 165 hp @ 11000 rpm | 54 hp / 40 kW @ 8400 rpm | |
| Max Torque: | 114 Nm / 84 lb-ft @ 9250 rpm | 54 Nm / 39.8 lb-ft @ 6200 rpm | |
| Transmission: | 6 Speed, synchromesh gearbox, built into engine housing | 5 Speed | |
| Final Drive: | Chain 525 17/45 / M package - M endurance chain | Chain | Chain |
| Front Suspension: | 45mm USD telescopic fork, spring preload and adjustable rebound and compression stage | Air adjustable forks 42mm tubes | |
| Rear Suspension: | Aluminium underbeam swinging arm, Full-Floater Pro, central shock absorber, adjustable rebound and compression damping and adjustable spring preload | Single shock absorber. adjustable for spring preload | |
| Front Brakes: | 2 x 320mm Discs, 4 piston fixed calipers | Single 260mm disc 4 piston caliper | |
| Rear Brakes: | Single 220mm disc, 1 piston floating caliper | Single 240mm disc 2 piston caliper | |
| Front Tyre: | 120/70 ZR17 | 90/90-21 | |
| Rear Tyre: | 190/55 ZR 17 / M package 200/55 ZR 17 | 130/90-17 | |
| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 17.5 Litres / 4.6 US gal |