Moto Guzzi Stornello 160 (1968-74) vs Triumph Speed Triple (2008) vs Suzuki DR-Z 400SM (2013-14) vs Suzuki TU 250X (2008-10)
Comparison technical specifications
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| Make: | Moto Guzzi | Triumph | Suzuki | Suzuki |
| Model: | Stornello 160 | Speed Triple | DR-Z 400SM | TU 250X |
| Years: | 1968-74 | 2008 | 2013-14 | 2008-10 |
| Engine: | Four stroke, single cylinder, 2 valve | Four stroke, transverse three cylinder. DOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, single cylinder, SOHC, 4 valves |
| Capacity: | 153.2 cc / 9.3 cu-in | 1050 cc / 64.07 cu-in | 398 cc / 24.3 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 58 x 58 mm | 79 x 71.4 mm | 90 x 62.6 mm. | 72 x 61.2 mm |
| Cooling System: | Air cooled | Liquid-cooled | Liquid cooled | Air/oil-cooled |
| Compression Ratio: | 9.5:1 | 12.0:1 | 11.3:1 | 9.0:1 |
| Induction: | Dell'Orto UB 20B carburetor | Multipoint sequential electronic fuel injection | Mikuni BSR36 CV carburetor | EFI |
| Ignition: | Flywheel magneto | Digital inductive type | Digital CDI | Electronic ignition (fully transistorized) |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 16.2 hp @ 7,400 rpm | 94.9 Nm / 131 hp @ 9100 rpm | 29.2 kW / 39.7 hp @ 8500 rpm (rear wheel: 24.9 kW / 33.4 hp | 15 kW / 20 hp @ 8000 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain, #520 | Chain |
| Front Suspension: | Hydraulic telescopic forks | 45 mm Upside down forks with dual rate springs and adjustable preload, compression and rebound damping | Telescopic, 49 mm, oil-damped, 11-way compression damping, adjustable spring preload | Telescopic, hydraulic dampers, coil springs |
| Rear Suspension: | Dual shocks | Monoshock with adjustable preload, compression and rebound damping | Link-type, fully adjustable spring preload, 26-way compression damping | Swinging arm, hydraulic dampers, coil springs |
| Front Brakes: | Drum | 2 x 320 mm Discs, 4 piston calipers | Single 310 mm floating disc, 2 piston caliper | Single disc |
| Rear Brakes: | Drum | Single 220 mm disc, 2 piston caliper | Single 240mm disc, 1 piston caliper | Drum |
| Front Tyre: | 2.50 - 17 R | 120/70 ZR17 | 120/70-17 | 90/90-18 |
| Rear Tyre: | 3.00 - 17 | 190/50 ZR17 | 140/70-17 | 110/90-18 |
| Fuel Capacity: | 13.5 litres / 3.4 US gal | 18 Litres / 4.89 gal | 10 Litres / 2.6 US gal / 2.2 Imp gal | 12 Litres / 3.2 US gal / 2.6 Imp gal |