Yamaha XT 250 (1981-82) vs Horex VR6 Silver Edition (2016) vs Laverda SFC1000 Limited Edition (2004) vs Yamaha XVS 650 V-Star Silverado (2007-08)
Comparison technical specifications
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| Make: | Yamaha | Horex | Laverda | Yamaha |
| Model: | XT 250 | VR6 Silver Edition | SFC1000 Limited Edition | XVS 650 V-Star Silverado |
| Years: | 1981-82 | 2016 | 2004 | 2007-08 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, V6, 15 degree V-angle mirrored cylinder offset, triple overhead cam, 3 valves per cylinder | Four stroke, Longitudinal 60° V twin, DOHC, 4 valves per cylinder. | Four stroke, 70°V-twin cylinder, SOHC, 2 valve per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 1218 cc / 74.32 cu-in | 997.6 cc / | 649 cc / 39.6 cu-in |
| Bore x Stroke: | 75 х 56.5 mm | 68.2 x 55.4 mm | 97 x 67.5 mm | 81 x 63mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooling | Air cooled |
| Compression Ratio: | 9.2:1 | 12.5:1 | 11.8:1 | 9.0:1 |
| Induction: | Single 28mm Mikuni caruretor | Turbo. Rotrex radial compressor C-series, detatchable | Multi-point electronic injection. 57 mm diameter throttle bodies. | 2x 28mm Mikuni BDS28 CV carburetors |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 22 hp / 16.1 kW @ 8000 rpm | 167.7 hp / 122.4 kW @ @ 8500 rpm | 98 kW / 133 hp @ 9500 rpm | 40 hp / 29.2 kW @ 6500 rpm |
| Max Torque: | 2 kgf-m / 14.4 lb-ft @ 6500 rpm | 138 Nm / 101.5 lb-ft @ 7000 rpm | 105 Nm / 77.4 lb-ft @ 7500 rpm | 50.9 Nm / 37.5 lb-ft @ 3000 rpm |
| Final Drive: | Chain | Chain | Chain | Shaft |
| Front Suspension: | Leading axle, coil spring forks | Öhlins upside-down fork (Ø 43 mm) with adjustable spring preload, compression and rebound damping | 43 mm Öhlins titanium nitride coated upside-down fork. 120 mm wheel travel. External adjustment system for rebound, compression and preload. | 41mm forks |
| Rear Suspension: | Swing arm single Kayaba shock | Öhlins TTX36 GP suspension struts with adjustable spring base, rebound and compression damping and built-in hydraulic spring preload adjustment | Aluminium alloy swing-arm: Öhlins Racing hydraulic monoshock with piggy-back cylinder installed on the left hand side of the swinging arm, rebound, compression, preload adjustable, 135mm wheel travel | Adjustable link Monocross |
| Front Brakes: | 130mm Drum | 2x 320mm disc. ABS. Radial 4-piston calipers. Bremo. | 2x 320mm discs 4 piston calipers | Single 298mm disc |
| Rear Brakes: | 130mm Drum | Single 264mm disc. ABS. 2-piston caliper. Bremo | Single 220mm disc 2 piston caliper | 200mm Drum |
| Front Tyre: | 3.00-21 | 120/70-ZR17 | 120/70 ZR 17 | 130/90-16 |
| Rear Tyre: | 4.60-17 | 190/55-ZR17 | 190/50 ZR 17 | 170/80-15 |
| Dry Weight: | 114 kg / 251.3 lbs | 221.0 kg / 487.2 lbs | NA | 229 kg |
| Fuel Capacity: | 8 Litres / 2.1 US gal | 17 Litres / 4.5 USA gal | NA | 16 Liters / 4.2 US gal |