Ducati 500GTL (1977-78) vs Ducati 900 SS (1979) vs Husqvarna TE 450 (2002-03) vs Husqvarna TE 630 (2010-11)
Comparison technical specifications
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| Make: | Ducati | Ducati | Husqvarna | Husqvarna |
| Model: | 500GTL | 900 SS | TE 450 | TE 630 |
| Years: | 1977-78 | 1979 | 2002-03 | 2010-11 |
| Engine: | Four stroke, parallel twin cylinder, SOHC, chain driven, 2 valve per cylinder | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity: | 496.9 cc / 30.2 cu in | 864 cc / 52.7 cu in | 449 cc / 27.4 cu-in | 600 cc / 36.6 cu-in |
| Bore x Stroke: | 78 x 52 mm | 86 x 74.4 mm | 97 x 60.7 mm | 100 x 76.4 mm |
| Compression Ratio: | 9.6:1 | 9.4:1 | 12.0:1 | 12.4:1 |
| Induction: | Dell'Orto PHF30BS/BD | 2 x Dell'Orto PHF 32C carburetors | 41mm Keihin MX carburetor | Electronic injection feed |
| Ignition: | Points and coil | Electronic | CDI | Electronic, inductive discharge, w/digital control |
| Starting: | Kick | Electric | Electric & Kick | Electric |
| Max Power: | 25.7 kW / 35 hp @ 6500 rpm | 47.8 kW / 65 hp @ 7500 rpm | 46.9 hp / 34.5 kW @ 8500 rpm | NA |
| Clutch: | Wet, multiplate | Wet, multiplate | Hydraulically-actuated multiplate wet clutch | Wet, multiplate; hydraulic actuated |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | Chain |
| Front Suspension: | 35 mm Paioli telescopic fork | Marzocchi telescopic fork | Marzocchi "Upside-Down" telescopic hydraulic fork with advanced axle. compression and rebound stroke adjustment | 45mm Marzocchi Upside-Down fork with advanced axle; rebound stroke adjustment |
| Rear Suspension: | Swing arm, 2 x Marzocchi shocks, 3-way adjustable | Marzocchi 330 mm dual shocks, 3-way adjustable | Sachs progressive "Soft Damp" type with single hydraulic shock absorber, spring preload adjustment, compression and rebound adjustment | Progressive "Soft Damp" type with single SACHS shock absorber; spring preload adjust, compression and rebound adjustment (compression stroke: double adjustment) |
| Front Brakes: | 2 x 256 mm Brembo discs | 2 x 280 mm Disc, 1 piston caliper | Single 260mm disc | Single 290mm disc |
| Rear Brakes: | Single 260 mm Brembo disc | Single 280 mm disc | Single 220mm disc | Single 220mm disc |
| Wheelbase: | 1400 mm / 55.1 in | 1550 mm / 61.0 in | 1460 mm / 57.5 in | 1497 mm / 58.9 in |
| Seat Height: | 760 mm / 29.9 in | 740 mm / 29.1 in | 975 mm / 38.4 in | 945 mm / 37.2 in |
| Dry Weight: | 183 kg / 403 lbs | 216 kg / 476 lbs | 116 kg / 255.7 lbs | 149.0 kg / 328.5 lbs |
| Fuel Capacity: | 19 L / 5.0 US gal / 4.2 Imp gal | 15 L / 4.0 US gal / 3.3 Imp gal | 7.7 Litres / 2.0 US gal | 12.3 Litres / 3.3 US gal |