Suzuki GSX 1400Z (2004-05) vs Aprilia RS4 125 (2011)
Comparison technical specifications
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| Make: | Suzuki | Aprilia |
| Model: | GSX 1400Z | RS4 125 |
| Years: | 2004-05 | 2011 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity: | 1402 cc / 85.6 cu in | 124.8 cc / 7.6 cu in |
| Bore x Stroke: | 81 x 68 mm | 58 X 47 mm |
| Compression Ratio: | 9.5:1 | 12.5 ± 0.5:1 |
| Cooling System: | Air/oil cooled | Liquid cooled |
| Induction: | Fuel injection with 34mm throttle bodies | Electronic injection |
| Ignition: | Electronic ignition | Electronic with CDI capacity discharge |
| Starting: | Electric | Electric |
| Max Power: | 78 kW / 105 hp @ 6800 rpm | 11.7 kW / 16 hp @ 10500 rpm |
| Max Torque: | 124 Nm / 12.6 kgf-m / 91.5 lb-ft @ 5000 rpm | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 46 mm Telescopic forks, preload, compression and rebound damping adjustable | Ø41 mm Upside down fork |
| Rear Suspension: | Dual piggyback reservoir shocks fully adjustable for preload, compression and rebound damping | Asymmetric swingarm with monoshock |
| Front Brakes: | 2 x 320 mm Discs, 6 piston calipers | Single Ø300 mm disc, 4 piston caliper |
| Rear Brakes: | Single 260 mm disc, 2 piston caliper | Single Ø218 mm disc, 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 110/80 17 |
| Rear Tyre: | 190/50 ZR17 | 130/70 17 |
| Wheelbase: | 1520 mm / 59.8 in | 1350 mm / 53.1 in |
| Seat Height: | 790 mm / 31.1 in | 820 mm / 32.3 in |
| Dry Weight: | 228 kg / 503 lbs | 122 kg / 269 lbs |
| Fuel Capacity: | 22 Litres / 5.8 US gal / 4.8 Imp gal | 14.5 Liters / 3.8 gal |