BMW S 1000RR (2015) vs Triumph Sprint ST 1050 (2007) vs Kawasaki Zephyr 400 X (2004-08)
Comparison technical specifications
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| Make: | BMW | Triumph | Kawasaki |
| Model: | S 1000RR | Sprint ST 1050 | Zephyr 400 X |
| Years: | 2015 | 2007 | 2004-08 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse three cylinder. DOHC, 4 valves per cylinder | Four stroke parallel twin cylinder. DOHC, 4 valves per cylinder |
| Capacity: | 999 cc / 60.9 cu-in | 1050 cc / 64.1 cu in | 399 cc / 24.4 cu-in |
| Bore x Stroke: | 80 x 49.7 mm | 79 x 71.4 mm | 55 х 42 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 13.0:1 | 12.0:1 | 10.3:1 |
| Starting: | Electric | Electric | Electric |
| Max Power: | 146 kW / 199 hp @ 13500 rpm | 90 kW 123 hp @ 9250 rpm | 49 hp / 36.8 kW @ 11000 rpm |
| Max Torque: | 113 Nm / 11.5 kgf-m / 83.3 lb-ft @ 10500 rpm | 104 Nm / 10.6 kgf-m / 77 ft-lb @ 5000 rpm | 3.1 kgf m / 22.4 lb-ft @ 10500 rpm |
| Clutch: | Multiplate clutch in oil bath, anti-hopping clutch, mechanically controlled | Wet, multiple discs, cable operated | Wet multi disc |
| Transmission: | Constant-mesh 6-speed gearbox, straight-toothed | 6 Speed | 6 Speed |
| Final Drive: | Chain 17/45 | Chain | Chain |
| Front Suspension: | Upside-down telescopic fork Ø 46 mm, compression and rebound stage adjustable | 45 mm Forks with dual rate springs and adjustable preload | Telescopic forks |
| Rear Suspension: | Aluminium double-strut swingarm, compression and rebound damping adjustable | Monoshock with adjustable preload, compression and rebound damping | Dual shocks |
| Front Brakes: | 2 x 320mm Discs, 4 piston calipers | 2 x 320 mm Discs, 4 piston calipers | 2x discs |
| Rear Brakes: | Single 220mm disc, 1 piston caliper | Single 255 mm disc, 2 piston caliper | Single disc |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 | 110/80-17 |
| Rear Tyre: | 180/55 ZR17 | 180/55 ZR17 | 140/70-18 |
| Wheelbase: | 1425 mm / 56.1 in | 1470 mm / 57.9 in | 1435 mm / 56.5 in |
| Seat Height: | 815 mm / 32.0 in | 805 mm / 31.7 in | 770 mm / 30.1 in |
| Dry Weight: | 175.5 kg / 386.9 lbs | 210 kg / 462 lbs (ABS model: 213kg / 469 lbs) | 179 kg / 395 lbs |
| Fuel Capacity: | 17.5 Litres / 4.6 US gal | 20 Litres / 5.3 US gal / 4.4 Imp gal | 14 Litres / 3.6 US gal |