Vespa PK 50, PK50S, PK50 Elestart, PK50XL, PK50XLS, PK50 (1982-93) vs Honda NX 250 Dominator (1991) vs Honda CB-1 (1991-) vs Triumph Bonneville 750 T140E (1979)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
Remove bike |
Remove bike |
| Make: | Vespa | Honda | Honda | Triumph |
| Model: | PK 50, PK50S, PK50 Elestart, PK50XL, PK50XLS, PK50 | NX 250 Dominator | CB-1 | Bonneville 750 T140E |
| Years: | 1982-93 | 1991 | 1991- | 1979 |
| Engine: | Two stroke, single cylinder | Four stroke, single cylinder, DOHC, 4 valve per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, parallel twin, OHV, 2 valves per cylinder |
| Capacity: | 49.8 cc / 3.0 cub in | 239 cc / 14.6 cu-in | 399 cc / 24.3 cu-in | 744 cc / 45.4 cu in |
| Bore x Stroke: | 38.4 x 43 mm | 68.5 x 64.8 mm | 55 x 42 mm | 76 x 82 mm |
| Compression Ratio: | 9.1:1 | 11.0:1 | 11.3:1 | 8.6:1 |
| Induction: | Rotary valve | Carburetor | 2x 30mm Keihin CV carburetor | 2 x 30 mm Amal carburetors |
| Ignition: | Flywheel magneto | CDI | CDI | Battery / dual coil / dual points / Lucas |
| Starting: | Kick start | Electric | Electric | Electric and kick |
| Max Power: | 2.7 kW / 3.7 Hp @ 7000 rpm | 22.7 hp / 17 kW @ 8000 rpm | 55.2 hp / 46.5 kW @ 10000 rpm | 40.3 kW / 54 hp @ 6200 rpm |
| Transmission: | 4 Speed, grip shift | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Direct drive | Chain | Chain | Chain, 106 links |
| Front Suspension: | Trailing arm, coil spring, damper | 37 mm Telescopic forks | 41mm Telescopic forks | Telescopic forks |
| Rear Suspension: | Coil spring, damper | Pro-Link. Swingarm | Pro-link monoshock | Swingarm, Girling shocks, 3-way spring preload adjustable |
| Front Brakes: | 150 mm drum | Single disc | Single 310mm disc 2 piston caliper | Single 254 mm disc, 1 piston caliper |
| Rear Brakes: | 150 mm drum | Drum | Single 240mm disc 1 piston caliper | Single 254 mm disc, 1 piston caliper |
| Front Tyre: | 3 x 10" | 100/90-19 | 110/70-17 | 3.25-19 |
| Rear Tyre: | 3 x 10" | 120/90-16 | 140/60-17 | 4.00-18 |
| Dry Weight: | 77 kg / 169.7 lbs | 123 kg / 271 lbs | 183 kg / 416.7 lb | 200 kg / 441 lbs |
| Fuel Capacity: | 6.2 L / 1.6 US gal | 9 Litres / 2.4 US gal | 13 Litres / 3.9 US gal | 18.2 Litres / 4.8 US gal / 4.0 Imp gal |