Vespa 150 Cosa and Cosa Elestart (1988-98) vs Kawasaki GPz 400S (1988-89)
Comparison technical specifications
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| Make: | Vespa | Kawasaki |
| Model: | 150 Cosa and Cosa Elestart | GPz 400S |
| Years: | 1988-98 | 1988-89 |
| Engine: | Two stroke, single cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder. |
| Capacity: | 150 cc / 9.2 cub in | 399 cc / 24.3 cu-in |
| Bore x Stroke: | 57.8 x 57 mm | 70 x 51 mm |
| Ignition: | Electronic | CDI |
| Starting: | Kick start | Electric |
| Clutch: | Wet, multiplate | Wet multi disc |
| Max Power: | 6.25 kW / 8.5 hp @ 5700 rpm | 50 hp / 36.5 kW @ 10500 rpm |
| Max Torque: | 12.75 Nm / 1.27 kgf-m / 9.4 lb-ft @ 4500 rpm | 3.6 kgf-m / 26 lb-ft @ 9000 rpm |
| Transmission: | 4 Speed, grip-shift, constant mesh | 6 Speed |
| Final Drive: | Direct drive | Chain |
| Frame: | Pressed sheet steel, streamlined monocoque structure | Tubular, double cradle (aluminium) |
| Front Brakes: | 150 mm drum | Single disc |
| Rear Brakes: | 150 mm drum | Single drum |
| Front Tyre: | 3.0 x 10" | 100/90-16 |
| Rear Tyre: | 3.0 x 10" | 120/90-16 |
| Dry Weight: | 85 kg / 187 lbs | 169 kg / 372.5 lbs |
| Fuel Capacity: | 7.7 L / 2 US gal | 15 Litres / 3.9 US gal |