Triumph Speed Four (2004-06) vs Laverda 668 Ghost Strike (1997)
Comparison technical specifications
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| Make: | Triumph | Laverda |
| Model: | Speed Four | 668 Ghost Strike |
| Years: | 2004-06 | 1997 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, parallel twin cylinder. DOHC, 4 valve per cylinder |
| Capacity: | 599 cc / 36.6 cu in | 668 cc / 40.7 cu-in |
| Bore x Stroke: | 68 x 41.3 mm | 78.5 x 69 mm |
| Cooling System: | Liquid cooled | Air/oil cooled |
| Compression Ratio: | 12.5:1 | 9.0:1 |
| Induction: | Multipoint sequential electronic fuel injection with forced air induction | Twin Weber-Marelli electronic injection |
| Ignition: | Digital inductive type, via electronic engine management | Weber-Marelli electronic |
| Starting: | Electric | Electric |
| Max Power: | 71.4 kW / 98 hp @ 11750 rpm | 70 hp / 52 kW @ 8000 rpm |
| Max Torque: | 55 Nm / 5.6 kg-m / 41 lb-ft @ 8000 rpm | 60 Nm / 44.2 lb-ft @ 7000 rpm |
| Transmission: | 6 Speed | 6 speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 43 mm Forks with dual rate springs and adjustable preload, compression and rebound damping | 40mm WP Upside-down forks, adjustable rebound and damping. |
| Rear Suspension: | Monoshock with adjustable preload, compression and rebound damping | WP Rising rate adjustable preload, rebound and damping. |
| Front Brakes: | 2 x 320 mm Discs, 4 piston calipers | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Single 220 mm disc, 1 piston caliper | Single 245mm disc 2 piston caliper |
| Front Tyre: | 120/70 ZR 17 | 120/70 ZR17 |
| Rear Tyre: | 180/55 ZR 17 | 170/60 ZR17 |
| Dry Weight: | 170 kg / 375 lbs | 180 kg / 396.8 lbs |
| Fuel Capacity: | 18 Litres / 4.8 US gal / 4.0 Imp gal | 18 Litres / 4.7 US gal |