Benelli 650 Tornado S (1973-76) vs Husqvarna SM 450RR Special Edition (2009)
Comparison technical specifications
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| Make: | Benelli | Husqvarna |
| Model: | 650 Tornado S | SM 450RR Special Edition |
| Years: | 1973-76 | 2009 |
| Engine: | Parallel twin cylinders, four stroke, OHV, 2 valves per cylinder | Four stroke, single cylinder, DOHC, 4 vlave |
| Capacity: | 642.8 cc / 39.2 cu in | 449 cc / 27.4 cu-in |
| Bore x Stroke: | 84 x 58 mm | 97 X 60.7 mm |
| Compression Ratio: | 8.0:1 | 12.9:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Induction: | 2 x Dell'Orto VHB 29 carbs | Electronic injection MIKUNI D42 |
| Starting: | Electric and kick start | Electric & kick |
| Max Power: | 38.8 kW / 52 hp @ 7200 rpm | 46.9 hp / 34.5 kW @ 8500 rpm |
| Clutch: | Multiplate, wet | Wet, multiple discs, cable operated |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Marzocchi tele-hydraulic forks | 50mm Marzocchi Upside-Down telescopic hydraulic fork with advanced axle; compression and rebound stroke adjustment |
| Rear Suspension: | Swinging arm, adjustable shocks | Progressive 'soft damp' with hydraulic adjustable single shock absorber; spring preload adjustment, compression and rebound adjustment compression stroke double adjustment |
| Front Brakes: | Drum, 4 leading shoe | Single 320mm disc 4 piston caliper |
| Rear Brakes: | Drum | Single 220mm disc 1 piston caliper |
| Front Tyre: | 3.50 -18 | 120/70 -17 |
| Rear Tyre: | 4.00 -18 | 150/60 -17 |
| Dry Weight: | 210 kg / 463 lbs | 119.2 kg / 262.8 lbs |
| Fuel Capacity: | 17 L / 4.5 US gal | 9.2 Litres / 2.4 US gal |