Laverda RGS1000 Executive (1985) vs Yamaha TMAX 530 (2017-18) vs Ducati Ducat ST4 (1999-00) vs Kawasaki ZX-6R Ninja (2018)
Comparison technical specifications
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| Make: | Laverda | Yamaha | Ducati | Kawasaki |
| Model: | RGS1000 Executive | TMAX 530 | Ducat ST4 | ZX-6R Ninja |
| Years: | 1985 | 2017-18 | 1999-00 | 2018 |
| Engine: | Four stroke, transverse three cylinder, DOHC, 2 valve per cylinder. | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder. | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 981 cc / 59.8 cu-in | 530 cc / 32.34 cu-in | 916 cc / 55.9 cu in | 636 cc / 38.8 cub in |
| Bore x Stroke: | 75 x 74 mm | 68.0 x 73.0 mm | 94 x 66 mm | 67.0 x 45.1mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 8.8:1 | 10:9 : 1 | 11.0:1 | 12.9:1 |
| Induction: | 3x 32mm Dell'Orto carbs | Injection. Electronic fuel injection | Fuel injection, 50 mm throttle body, Marelli 1.6M | DFI with four 38mm Keihin throttle bodies and oval sub-throttles |
| Ignition: | Borsch electronic | TCI | Marelli electronic | TCBI with digital advance |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 83.3 hp / 61.2 kW @ 8000 rpm | 45.3 hp / 33.8 kW @ 6750 rpm | 78.7 kW / 107 hp @ 9000 rpm | 97.7 kW / 131 hp @ 13500 rpm |
| Max Torque: | 77.9 Nm / 57.4 lb-ft @ 7000 rpm | 52.3 Nm / 38.6 ft.lbs @ 5250 rpm | 89 Nm / 9 kgf-m / 65.6 ft-lb @ 7500 rpm | 71 Nm / 7.2 kg-m / 52.4 lb-ft @ 11500 rpm |
| Transmission: | 5 Speed | Fully automatic CVT | 6 Speed | 6 Speed |
| Final Drive: | Chain | V-Belt | Chain | 520 series X-ring chain |
| Front Suspension: | Marzocchi air assisted forks | 43mm Telescopic forks | Showa GD081 43mm upside-down fully adjustable fork. | 41mm inverted Showa BP-SFF fork with top-out springs, stepless compression and rebound damping, adjustable spring preload |
| Rear Suspension: | Dual Marzocchi air assisted forks, 5-way spring preload | Swingarm - single shock | Progressive linkage with fully adjustable Showa GD082 monoshock with piggy back aluminum swing arm. | Bottom-link Uni-Trak with gas-charged shock, top-out spring and pillow ball upper mount, stepless compression damping, 25-way adjustable rebound damping, fully adjustable spring preload |
| Front Brakes: | 100/90 -18 | 2x 267 discs | 2x 320 mm Discs, 4 piston calipers | 2 x 310mm petal rotors with dual radial-mount, Nissin four-piston, monobloc calipers and available KIBS ABS |
| Rear Brakes: | 120/90 -18 | Single 267 disc | Single 245 mm disc, 2 piston caliper | Single 220mm petal rotor with single-piston caliper and KIBS ABS |
| Front Tyre: | 2x 280mm discs 2 piston calipers | 120/70-15 | 120/70 - ZR17 | 120/70 ZR17 |
| Rear Tyre: | Single 280mm disc 1 piston caliper | 160/60-15 | 180/55 - ZR17 | 180/55 ZR17 |
| Fuel Capacity: | 22 Litres / 5.8 US gal | 15 Litters / 4 gal | 21 Litres / 5.5 US gal / 4.6 Imp gal | 17 Litres 4.5 US gal |