Ducati Formula 73 (2026) vs SYM Jet4 50 (2014) vs Kawasaki GPz 1000RX (1988)
Comparison technical specifications
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| Make: | Ducati | SYM | Kawasaki |
| Model: | Formula 73 | Jet4 50 | GPz 1000RX |
| Years: | 2026 | 2014 | 1988 |
| Engine: | Four stroke, 90? ?L? twin cylinder, SOHC, desmodromic 2 valves per cylinder | Single cylinder, 4-stroke, SOHC | Four stroke, transverse four cylinders, 4 valve per cylinder |
| Capacity: | 803 cc / 49.0 cub in | 49.5 cc / 3.0 cub in. | 997 cc / 60.8 cu-in |
| Cooling System: | Air cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 11.0:1 | 12.2:1 | 10.2:1 |
| Induction: | Electronic fuel injection, 50 mm throttle body, Ride by Wire system | Electronic | 4x Keihin CVK 36 carburetors |
| Ignition: | Marelli electronic | CDI | TCI (Transistor Controlled Ignition) |
| Starting: | Electric | Electric & kick | Electric |
| Max Power: | 73 hp / 53.6 kW @ 8250 rpm | 2.35 kW / 3.2 hp @ 8500 rpm | 125 hp / 91.1 kW @ 9500 rpm ( 116.2 hp @ 9750 rpm ) |
| Max Torque: | 65.2 Nm / 48.1 lb-ft @ 7000 rpm | 3.1 Nm / 0.32 kgf-m / 2.18 ft/lbs @ 6500 rpm | 10.1 kgf-m / 99 Nm @ 8500 rpm |
| Clutch: | Hydraulically controlled slipper and self-servo wet multiplate clutch | Centrifugal | Wet, multiple discs, cable operated |
| Transmission: | 6 speed with Ducati Quick Shift up/down | CVT | 6 Speed |
| Final Drive: | Chain, front spocket 15, rear sprocket 46 | Belt | Chain |
| Frame: | Tubular steel trellis frame | Pipe under bone, steel | Steel, twin spar |
| Front Suspension: | 41mm Kayaba USD forks | Telescopic fork | 40mm Telescopic forks, air assistance and AVDS |
| Rear Suspension: | Kayaba rear shock, pre-load adjustable | Twin sided swing arm | Uni-Trak rising-rate with adjustable rebound damping. |
| Front Brakes: | Single 330 mm disc, 4-piston caliper | Hydraulic disc, 226 mm | 2x 280mm discs 1 piston calipers |
| Rear Brakes: | Single 245 mm disc, 1-piston floating caliper | Drum, 110 mm | Single 260mm disc 1 piston caliper |
| Front Tyre: | 120/70 R17 Pirelli Diablo Rosso IV | 120/60-13 tubeless | 120/80-16 |
| Rear Tyre: | 180/55 R17 Pirelli Diablo Rosso IV | 130/70-12 tubeless | 150/80-16 |
| Seat Height: | 808 mm / 31.8 inches | 775 mm / 30.5 in. | 790 mm / 31.1 in |
| Fuel Capacity: | 14.4 Litres / 3.8 US gal | 5.2 L / 1.4 US gal | 21 Litres / 5.5 US gal |