Vespa 90, 90 SS and 90 Racer (1963-84) vs Yamaha XS 650 / TX 650 (1980-81)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | Vespa | Yamaha |
| Model: | 90, 90 SS and 90 Racer | XS 650 / TX 650 |
| Years: | 1963-84 | 1980-81 |
| Engine: | Two stroke, single cylinder | Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder. |
| Capacity: | 88.5 cc / 5.4 cub in | 653 cc / 39.8 cu in |
| Compression Ratio: | 8.7:1 | 8.4:1 |
| Induction: | Rotary valve | 2 x Mikuni BS34 carburetors |
| Ignition: | Flywheel magneto coil | Battery, induction coil |
| Starting: | Kick start | Electric and kick |
| Max Power: | 4.4 kW / 6 hp @ 6000rpm | 39.5 kW / 53 hp @ 7200 rpm |
| Transmission: | 3 gears (4 gears for the SS and Racer) | 5 Speed |
| Final Drive: | Direct drive | Chain |
| Front Suspension: | Coil spring and hydraulic shock absorber | Telescopic forks |
| Rear Suspension: | Coil spring and hydraulic shock absorber | Dual shock absorbers |
| Front Brakes: | 125 mm drum | Twin hydraulic discs, 267 mm |
| Rear Brakes: | 150 mm drum | Drum |
| Front Tyre: | 3 x 10" | 3.50H-19 4PR |
| Rear Tyre: | 3 x 10" | 4.00H-18 4PR |
| Dimensions: | Length: 1665 mm / 65.6 in Width: 670 mm / 26.4 in Height: 1015 mm / 40.0 in | Length: 2175 mm / 85.6" Width: 780 mm / 30.7" Height: 1090 mm / 42.9" |
| Wheelbase: | 1180 mm / 46.5 in | 1435 mm / 56.5" |
| Ground Clearance: | 225 mm / 8.9 in. | 150 mm / 5.5" |
| Dry Weight: | 73 kg / 161 lbs | 191 kg / 420 lbs |
| Fuel Capacity: | 5.2 L / 1.3 US gal | 15 Litres / 4.0 US gal |
| Top Speed: | 93 km/h / 57.8 mph | 185 km/h / 115 mph |