Yamaha YZF 1000R Thunder ace (1999) vs Suzuki RGV 250 (1990)
Comparison technical specifications
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| Make: | Yamaha | Suzuki |
| Model: | YZF 1000R Thunder ace | RGV 250 |
| Years: | 1999 | 1990 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder | Two stroke, 90° V- twin, reed valve |
| Capacity: | 1002 cc / 61.1 cu-in | 249 cc / 15.2 cu in |
| Bore x Stroke: | 75.5 x 56 mm | 56 x 50.6 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.5:1 | 7.5 :1 |
| Induction: | 4x 38mm Mikuni BDSR38 with TPS carbs | 2 x Mikuni VM32SS semi-flat carburetors |
| Ignition: | Digital TCI | Pointless Electrical Ignition |
| Spark Plug: | NGK, DR8EA | NGK BR9ES |
| Starting: | Electric | Kick |
| Max Power: | 145 hp / 106.7kW @ 10000 rpm | 35.7 kW / 49 hp @ 9500 rpm |
| Max Torque: | 108.3Nm / 11kgf-m @ 8500 rpm | 40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 8000 rpm |
| Clutch: | Multi-plate wet clutch | Wet, multi-plate |
| Final Drive: | Chain | Chain, DID520V2, 114 links |
| Frame: | Aluminium, twin spar | Twin spar, aluminium |
| Front Suspension: | 45mm forks, adjustable preload, bump and rebound. | Telescopic fork, 5-way adjustable with anti-dive, oil dampened |
| Rear Suspension: | Mono shock adjustable preload, bump and rebound. | Full Floater, mono-shock, gas/oil damped, 7-way adjustable |
| Front Brakes: | 2x 298mm discs 4 piston calipers | 2 x 290 mm Discs ,4 piston calipers |
| Rear Brakes: | Single 245mm disc 2 piston caliper | Single 210 mm disc, 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 110/70-17 |
| Rear Tyre: | 180/55 ZR17 | 140/60-18 |
| Dimensions: | Length 2085mm / 82.0 in Width 740 mm / 29.1 in | Length: 2015 mm / 79.3 in Width: 695 mm / 27.4 in Height: 1065 mm / 41.9 in |
| Wheelbase: | 1433 mm / 56.4 in | 1375 mm / 54.1 in |
| Seat Height: | 795 mm / 31.3 in | 755 mm / 29.7 in |
| Dry Weight: | 198 kg / 436.5 lbs | 128 kg / 282 lbs |
| Consumption Average: | 16.8 km/lit | 7.8 L/100 km / 12.8 km/l / 30 US mpg / 36.0 Imp mpg |
| Top Speed: | 261.9 km/h / 162.7 mph | 202 km/h / 125 mph |