Yamaha YZF 1000R Thunder ace (1999) vs Suzuki RGV 250 (1990) vs Ducati Supersport..... (2019-20)
Comparison technical specifications
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| Make: | Yamaha | Suzuki | Ducati |
| Model: | YZF 1000R Thunder ace | RGV 250 | Supersport..... |
| Years: | 1999 | 1990 | 2019-20 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder | Two stroke, 90° V- twin, reed valve | Testastretta 11°, L-Twin cylinder, 4 valve per cylinder, Desmodromic |
| Capacity: | 1002 cc / 61.1 cu-in | 249 cc / 15.2 cu in | 937 cc / 57.2 cu in |
| Bore x Stroke: | 75.5 x 56 mm | 56 x 50.6 mm | 94 x 67.5 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.5:1 | 7.5 :1 | 12.6:1 |
| Induction: | 4x 38mm Mikuni BDSR38 with TPS carbs | 2 x Mikuni VM32SS semi-flat carburetors | Electronic fuel injection system, 53 mm throttle bodies with full Ride-by-Wire |
| Ignition: | Digital TCI | Pointless Electrical Ignition | Electronic |
| Starting: | Electric | Kick | Electric |
| Max Power: | 145 hp / 106.7kW @ 10000 rpm | 35.7 kW / 49 hp @ 9500 rpm | 83.1 kW / 113 hp @ 9000 rpm |
| Max Torque: | 108.3Nm / 11kgf-m @ 8500 rpm | 40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 8000 rpm | 96.7 Nm / 9.9 kgf-m / 71.3 ft-lb @ 6500 rpm |
| Clutch: | Multi-plate wet clutch | Wet, multi-plate | Wet multiplate clutch mechanically operated, self-servo action on drive, slipper action on over-run |
| Final Drive: | Chain | Chain, DID520V2, 114 links | Chain; front sprocket 15; rear sprocket 43 |
| Frame: | Aluminium, twin spar | Twin spar, aluminium | Tubular steel Trellis frame attached to the cylinder head |
| Front Suspension: | 45mm forks, adjustable preload, bump and rebound. | Telescopic fork, 5-way adjustable with anti-dive, oil dampened | Fully adjustable 48 mm usd Marzocchi fork |
| Rear Suspension: | Mono shock adjustable preload, bump and rebound. | Full Floater, mono-shock, gas/oil damped, 7-way adjustable | Progressive linkage with adjustable sACHS monoshock. Aluminium single-sided swingarm |
| Front Brakes: | 2x 298mm discs 4 piston calipers | 2 x 290 mm Discs ,4 piston calipers | 2 x 320 mm Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-piston, radial pump with Bosch ABS |
| Rear Brakes: | Single 245mm disc 2 piston caliper | Single 210 mm disc, 1 piston caliper | 245 mm disc, 2-piston caliper, Bosch ABS |
| Front Tyre: | 120/70 ZR17 | 110/70-17 | Pirelli Diablo Rosso III 120/70 ZR17 |
| Rear Tyre: | 180/55 ZR17 | 140/60-18 | Pirelli Diablo Rosso III 180/55 ZR17 |
| Wheelbase: | 1433 mm / 56.4 in | 1375 mm / 54.1 in | 1478 mm / 58.3 in |
| Seat Height: | 795 mm / 31.3 in | 755 mm / 29.7 in | 810 mm / 31.9 in |
| Dry Weight: | 198 kg / 436.5 lbs | 128 kg / 282 lbs | 183 kg / 403 lbs |