Yamaha SR 400SP (2004) vs Gilera MX-1 125 (1988) vs Ducati 900 SS Final Edition (1998)
Comparison technical specifications
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| Make: | Yamaha | Gilera | Ducati |
| Model: | SR 400SP | MX-1 125 | 900 SS Final Edition |
| Years: | 2004 | 1988 | 1998 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder. | Two stroke, single cylinder, reed valve | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven |
| Capacity: | 399 cc / 24.3 cu-in | 124 ccc / 7.6 cu-in | 904 cc / 55.2 cu in |
| Bore x Stroke: | 87 х 67.2 mm | 56 x 50.5 mm | 92 x 68 mm |
| Compression Ratio: | 8.5:1 | 13.0;1 | 9.2:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Induction: | BSR33 carburetor | 28 Dell'Orto PHBH carburetors | Mikuni BDST 38-B67 |
| Ignition: | CDI | Electric ignition with capacitive output | Kokusan electronic inductive discharge |
| Starting: | Kick | Electric | Electric |
| Max Power: | 27 hp / 17.1 KW @ 7000 rpm | 29.3 hp / 21.8 kW @ 9900 rpm | 61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm) |
| Max Torque: | 27.4 Nm / 6.3 kgf-m @ 6500 rpm | 18 Nm / 13.2 lb-ft @ 10250 rpm | 84 Nm / 8.6 kgf-m / 62 ft-lb @ 6400 rpm |
| Clutch: | Wet, Multiple Disc | Multi-disc oil bath | Dry, multiplate |
| Transmission: | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | Telescopic fork | 35mm Marzocchi telescopic-hydraulic forks | 41 mm Showa GD 021 fully adjustable inverted fork |
| Front Wheel Travel: | 111 mm / 4.3 in | 130 mm / 5.1 in | 120 mm / 4.7 in |
| Rear Suspension: | Dual shocks | Fork in die cast aluminium, Boge single shock absorber fork in die cast aluminium, Boge single shock absorber | Progressive type with adjustable Showa GD monoshock |
| Front Brakes: | Single disc | Single 260mm disc | 2 x 320 mm discs |
| Rear Brakes: | Drum | Single 240mm disc | Single 245 mm disc |
| Front Tyre: | 3.50-19 | 100/90-16 | 120/70-17 |
| Rear Tyre: | 4.00-16 | 120/80-16 | 170/60-17 |
| Wet Weight: | 174 kg / 384 lbs | 132 kg / 291 lbs | 192.5 kg / 424 lbs |
| Fuel Capacity: | 12 Litres / 3.2 gal | 17 Litres / 4.5 US gal | 17.5 L / 4.6 US gal / 3.8 Imp gal |