Yamaha FZX 250 Zeal (1991-99) vs Suzuki GS 425 (1978) vs Yamaha FJR 1300A (2004)
Comparison technical specifications
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| Make: | Yamaha | Suzuki | Yamaha |
| Model: | FZX 250 Zeal | GS 425 | FJR 1300A |
| Years: | 1991-99 | 1978 | 2004 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder, | Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 249 cc / 15.2 cu-in | 423 cc / 25.8 cu in | 1298 cc / 79.2 cu-in cc / 79.2 cu-in |
| Bore x Stroke: | 48 х 34.5 mm | 67 x 60 mm | 79 x 66.2 mm |
| Cooling System: | Liquid-cooled | Air cooled | Liquid cooled, |
| Compression Ratio: | 9.1:1 | 10.8:1 | |
| Induction: | 2 x 34 mm Mikuni carburetors | Mikuni 42mm throttle body F.I. | |
| Starting: | Electric | Electric and kick | Electric |
| Max power: | 40 hp / 29.8 lb-ft @ 12000 rpm | 29.8 kW / 40 hp @ 7000 rpm | 145 hp / 105.7 kW @ 8500 rpm |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Shaft |
| Front Suspension: | Telescopic forks | Telescopic fork | 48mm Soqi telescopic fork w/adjustable preload, compression and rebound damping |
| Rear Suspension: | Dual shocks | Twin shocks, coil spring over | Single shock, link-type, w/adjustable preload and rebound damping |
| Front Brakes: | Single disc | Single disc, 11in | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Single disc | Drum, 7 in | Single 283mm disc 2 piston caliper |
| Front Tyre: | 110/70-17 | 3.00-18 | 120/70 ZR17 |
| Rear Tyre: | 140/70-17 | 3.75-18 | 180/55 ZR17 |
| Seat Height: | 735 mm / 28.9 in | 787 mm / 31 in | 805 mm / 31.7 in to 825 mm / 32.5 in |
| Dry Weight: | 145 kg / 349.6 lbs | 173 kg / 382 lbs | 264 kg / 582 lbs |
| Fuel Capacity: | 15 liters / 3.3 gal | 15 Litres / 4.0 US gal / 3.3 Imp gal | 25 Liters / 5.5 gal |