Aprilia RS4 125 (2011) vs Cagiva Gran Canyon 900ie (1999-00) vs Kawasaki Zephyr 750 (1996-97)
Comparison technical specifications
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| Make: | Aprilia | Cagiva | Kawasaki |
| Model: | RS4 125 | Gran Canyon 900ie | Zephyr 750 |
| Years: | 2011 | 1999-00 | 1996-97 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, 90° “L”twin cylinder, SOHC, desmodromic 2 valve per cylinder. | Four stroke, transverse four cylinder , DOHC, 2 valves per cylinder |
| Capacity: | 124.8 cc / 7.6 cu in | 904 cc / 55.1 cu-in | 738 cc / 45.6 cu-in |
| Bore x Stroke: | 58 X 47 mm | 92 x 68 mm | 66 x 54 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled, |
| Compression Ratio: | 12.5 ± 0.5:1 | 9.2:1 | 9.5:1 |
| Induction: | Electronic injection | Weber fuel injection | 4x 32mm Keihin carburetors |
| Ignition: | Electronic with CDI capacity discharge | Marelli electronic inductive discharge | Analogue CDI (Capacitive Discharge |
| Starting: | Electric | Electric | Electric |
| Max Power: | 11.7 kW / 16 hp @ 10500 rpm | 73 hp / 66.7 hp @ 7100 rpm | 71 hp / 52.6 kW @ 9500 rpm |
| Max Torque: | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm | 78 Nm / 57.5 lb-ft @ 5000 rpm | 56.8 Nm / 42.0 lb-ft @ 7300 rpm |
| Clutch: | Multiple discs, in oil bath | Wet, multiple discs, cable operated | Wet, multiple discs, cable operated |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Ø41 mm Upside down fork | 45mm Telescopic hydraulic fork with advanced axle | 41mm Telescopic forks no adjustmen |
| Rear Suspension: | Asymmetric swingarm with monoshock | Progressive Soft Damp with hydraulic single shock absorber | Dual gas shocks adjustable for preload, rebound, and compression. |
| Front Brakes: | Single Ø300 mm disc, 4 piston caliper | 2x 296mm discs 2 piston calipers | 2x 300mm discs 2 piston calipers |
| Rear Brakes: | Single Ø218 mm disc, 1 piston caliper | Single 240mm disc 2 piston caliper | Single 230mm disc 1 piston caliper |
| Front Tyre: | 110/80 17 | 100/90 R19 | 120/70 VR17 |
| Rear Tyre: | 130/70 17 | 150/70 R17 | 150/70 VR17 |
| Wheelbase: | 1350 mm / 53.1 in | 1530 mm / 60.2 in | 1455 mm / 57.2 in |
| Seat Height: | 820 mm / 32.3 in | 850 mm / 38.4 in | 770 mm / 30.3 in |
| Dry Weight: | 122 kg / 269 lbs | 216 kg / 476 lbs | 201 kg / 443 lbs |
| Fuel Capacity: | 14.5 Liters / 3.8 gal | 20 Litres / 5.2 US gal | 17 Litres / 4.4 US gal |