Suzuki GN 400E (1980) vs Yamaha XJ 750E-II (1983) vs Ducati Diavel Black Diamond (2011)
Comparison technical specifications
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| Make: | Suzuki | Yamaha | Ducati |
| Model: | GN 400E | XJ 750E-II | Diavel Black Diamond |
| Years: | 1980 | 1983 | 2011 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder. |
| Capacity: | 396 cc / 24.2 cu in | 749 cc / 45.6 cu-in | 1198.4 cc / 73.1 cu in |
| Bore x Stroke: | 88 х 65.2 mm | 65 х 56.5 mm | 106 x 67.9 mm |
| Compression Ratio: | 9.3:1 | 9.8:1 | 11.5:1 |
| Cooling System: | Air cooled | Air cooled | Liquid cooled |
| Induction: | 36mm Mikuni | HSC33 carburetors | Mitsubishi electronic fuel injection system, Mikuni elliptical throttle bodies with RbW |
| Starting: | Kick | Electric | Electric |
| Max Power: | 19.7 kW / 27 hp @ 7500 rpm | 87 hp / 64.8 kW @ 9000 rpm | 119 kW / 162 hp / @ 9500rpm |
| Max Torque: | 29.4 Nm / 3.0 kgf-m / 21.7 lb-ft @ 5000 rpm | 7.1 kgf-m / 51.3 lb-ft @ 7000 rpm | 127.5 Nm / 13.0 kgf-m / 94 lb-ft / @ 8000rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | Shaft | Chain Front sprocket 15; Rear sprocket 43 |
| Front Suspension: | Telescopic fork | 36mm Showa forks adjustable air pressure anti-dive resistance | Marzocchi 50mm fully adjustable USD forks |
| Rear Suspension: | Dual shocks | Dual dampers adjustable for spring preload rebound damping | Progressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm, |
| Front Brakes: | Single disc | 2x 300mm disc 2 piston calipers | 2 x 320 mm Semi-floating discs, radially mounted Monobloc Brembo calipers, 4-piston with ABS |
| Rear Brakes: | Drum | Single disc | Single 265 mm disc, 2-piston floating caliper with ABS |
| Front Tyre: | 3.60-18 | 100/90-18 | 120/70 ZR 17 |
| Rear Tyre: | 4.60-16 | 120/90-18 | 240/45 ZR17 |
| Wheelbase: | 1410 mm / 55.5 in | 1480 mm / 58.2 in | 1590 mm / 62.6 in |
| Dry Weight: | 140 kg / 309 lbs | 214 kg / 471.4 lbs | 210 Kg / 463 lbs |
| Fuel Capacity: | 11.5 Litres / 3.0 US gal / 2.5 Imp gal | 22 Litres / 5.8 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal |