Kawasaki KDX 250 (1981-82) vs Kawasaki W 650 (1999-01) vs Kawasaki ZN 1300 Voyager (1983-85) vs Suzuki GS 125ES (1991)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki | Suzuki |
| Model: | KDX 250 | W 650 | ZN 1300 Voyager | GS 125ES |
| Years: | 1981-82 | 1999-01 | 1983-85 | 1991 |
| Engine: | Two stroke, single cylinder, reed valve | Four stroke, parallel twin cylinder, SOHC, 4 valve per cylinder | Four stroke transverse six cylinder. DOHC, 4 valves per cylinder | Four stroke, single cylinder, OHC |
| Capacity: | 249 cc / 15.2 cu-in | 676 cc / 41.2 cu-in | 1286 cc / 78.5 cub in | 124 cc / 7.6 cu in |
| Bore x Stroke: | 70 x 64.9 mm | 72 x 83 mm | 62 x 71 mm | 57 x 48.8 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled | Air cooled |
| Induction: | 36mm Mikuni carburetor | 2x Keihin CVK34 carburetor | Mikuni fuel injection | Carburetor |
| Ignition: | CDI | Digital with K-TRIC | Battery powered transistorized | Coil pack |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 33 hp / 24.6 kW @ 7000 rpm | 50 hp / 36.5 kW @ 5000 rpm | 96.9 kW / 130 hp @ 8000 rpm | 10.2 kW / 14 hp @ @ 9500 rpm |
| Max Torque: | 3.5 kgf-m @ 6500 rpm | 56 Nm / 5.71 kg-m @ 5500 rpm | 118 Nm / 12.03 kgf-m / 87 ft. lbs @ 6500 rpm | 9.75 Nm / 0.99 kgf-m / 7.2 lb-ft |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Shaft | Chain |
| Front Suspension: | Telescopic forks | 39 mm telescopic fork | 41mm Kayaba air adjustable forks | Telescopic forks |
| Rear Suspension: | Mono Shock | Twin shocks with 5-way spring preload adjustment | Dual Kayaba shocks, fully adjustable. | Dual shocks |
| Front Brakes: | Drum | Single 300mm disc 2 piston caliper | 2x 266mm discs 1 piston caliper | Single 220mm disc |
| Rear Brakes: | Drum | 160mm Drum | Single 296mm disc 1 piston caliper | 130mm drum |
| Front Tyre: | 3.00-21 | 100/90-19 | 130/90-16 | 2.75-18 |
| Rear Tyre: | 5.10-18 | 130/80-18 | 150/90-15 | 3.00-18 |
| Seat Height: | 935 mm / 36.8 in | 790 mm / 31.1 in | 757 mm / 29.8 in | 745 mm / 29.3 in |
| Fuel Capacity: | 12.5 Litres / 3.3 US gal | 15 Litres / 3.96 US gal | 27 Litres / 7.1 US gal | 12 Litres / 3.2 US gal / 2.6 Imp gal |