Velocette GTP (1930-46) vs Triumph Street Triple 675 (2008) vs Laverda Jota 1000 (1978-80)
Comparison technical specifications
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| Make: | Velocette | Triumph | Laverda |
| Model: | GTP | Street Triple 675 | Jota 1000 |
| Years: | 1930-46 | 2008 | 1978-80 |
| Engine: | Two-stroke, Single cylinder | Four stroke, in-line 3-cylinder, DOHC, 12 valve | Four stroke, transverse three cylinder, DOHC, 2 valve per cylinder. |
| Capacity: | 249 cc / 15.2 cub in | 675 cc / 41.19 cu-in | 980 cc / 59.8 cu-in |
| Bore x Stroke: | 63 x 80 mm | 74 x 52.3 mm | 75 x 74 mm |
| Compression Ratio: | 6.5:1 | 12.65:1 | 10.0:1 |
| Cooling System: | Air cooled | Liquid-cooled | Air cooled |
| Ignition: | Coil in conjunction with Miller | Digital - inductive type | Bosch electronic |
| Starting: | Kick start | Electric | Electric |
| Transmission: | Early models: 3 Speed, hand operated Later models: 4 Speed, foot operated | 6 Speed | 5 Speed |
| Final Drive: | Chain | O ring chain | Chain |
| Front Suspension: | Webb fork with shock absorber and steering damper | 41mm Kayaba telescopic upside down forks | Coils springs |
| Rear Suspension: | None, spring loaded seat | Kayaba monoshock, adjustable preload | Dual shock absorbers, 5-way adjustable coil springs |
| Front Brakes: | 6 in. drum, internal expanding | 2 x 308 mm Discs, Nissin 2 piston sliding calipers | 2x 280mm discs 2 piston calipers |
| Rear Brakes: | 6 in. drum, internal expanding | Single 220 mm disc, 1 piston caliper | Single 280mm disc 1 piston caliper |
| Front Tyre: | 3 x 25 in., Avon | 120/70 ZR 17 | 100/90-18 |
| Rear Tyre: | 3 x 25 in., Avon | 180/55 ZR 17 | 120/90-18 |
| Fuel Capacity: | 6.6 L / 1.75 US gal | 17.4 Litres / 4.6 US gal / 3.8 Imp gal | 20.5 Litres / 5.4 US gal |
| Dry Weight: | 101 kg / 222 lbs (light set included) | 167 kg / 368 lbs | 238 kg / 524.7 lbs |