Kawasaki Z 900 (2019) vs Ducati Diavel 1260 S Black and Steel (2021) vs Aprilia SX 50 (2010-12)
Comparison technical specifications
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| Make: | Kawasaki | Ducati | Aprilia |
| Model: | Z 900 | Diavel 1260 S Black and Steel | SX 50 |
| Years: | 2019 | 2021 | 2010-12 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder | Four stroke, Testastretta DVT (Desmodromic Variable Timing), 90° L-Twin, 4 Desmodromically actuated valves per cylinder, dual spark | Single cylinder, two stroke |
| Capacity: | 943 cc / 57.5 cu-in | 1262 cc / 77 cu-in | 49.9 cc / 3.04 cu in |
| Bore x Stroke: | 73.4 x 56.0mm | 106 x 71.5 mm | 39.9 x 40 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.8:1 | 13.0:1 | 11.5:1 |
| Induction: | DFI® with 36mm Keihin throttle bodies | Bosch electronic fuel injection system, Øeq 56 mm elliptical throttle bodies with Ride-by-Wire system | Dell'Orto PVHA 17.5 carburetor |
| Ignition: | TCBI with electronic advance | Electronic | Electronic CDI |
| Starting: | Electric | Electric | Kick |
| Clutch: | Wet multi-disc, manual | Slipper and self-servo wet multiplate clutch with hydraulic control | Wet, multi plate |
| Transmission: | 6 Speed | 6-Speed with Ducati Quick Shift up/down Evo (DQS) | 6 speed |
| Final Drive: | Sealed chain | Chain, Front sprocket Z15, Rear sprocket Z43 | Chain |
| Frame: | Trellis, high tensile steel | Tubular steel trellis frame | Steel beam |
| Front Suspension: | 41mm inverted fork with rebound damping and spring preload adjustability | 48 mm USD Öhlins adjustable fork, TiN treatment | Hydraulic fork, Ø 40 mm |
| Front Wheel Travel: | 120 mm / 4.7 in | 120 mm / 4.7 in | 195 mm / 7.7 in |
| Rear Suspension: | Horizontal back-link, stepless rebound damping, adjustable spring preload | Öhlins fully adjustable monoshock, Aluminium casted single-sided swingarm | High strength steel swingarm, hydraulic monoshock |
| Rear Wheel Travel: | 140 mm / 5.5 in | 130 mm / 5.1 in | 180 mm / 7.1 in |
| Front Brakes: | 2x semi-floating 310 mm discs 4 piston calipers | 2 x 320mm semi-floating discs, Radially mounted Brembo monobloc 4-piston M50 callipers, PR16/19 radial master cylinder | Single stainless steel disc, Ø 260 mm, floating caliper |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single 265mm disc, 2-piston Brembo floating calliper | Single disc, Ø 180 mm, floating caliper |
| Front Tyre: | 120/70 ZR17 | 120/70 ZR17 Pirelli Diablo Rosso III | 100/80 ZR17 |
| Rear Tyre: | 180/55ZR17 | 240/45 ZR17 Pirelli Diablo Rosso III | 130/70 ZR17 |
| Wheelbase: | 1450 mm / 57.1 in | 1600 mm / 63.0 in | 1400 mm / 55.1 in |
| Seat Height: | 795 mm / 32.8 in | 780 mm / 30.7 in | 835 mm / 32.9 in |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 17 Litres / 4.5 US gal | 7 L / 1.85 US gal |