Yamaha RD 250LC / RZ 250LC (1981) vs Yamaha XT 500 (1977) vs Kawasaki Z 750F Export (1979) vs Honda NX 650 Dominator (1997)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Kawasaki | Honda |
| Model: | RD 250LC / RZ 250LC | XT 500 | Z 750F Export | NX 650 Dominator |
| Years: | 1981 | 1977 | 1979 | 1997 |
| Engine: | Two stroke, parallel twin | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, transverse four cylinder. DOHC, 2 valve per cylinder | Four-stroke, single cylinder, SOHC, 4 valve per cylinder |
| Capacity: | 247 cc / 15.0 cu-in | 499 cc / 30.5 cuin | 746 cc / 45.5 cu-in | 644 cc / 39.2 cu-in |
| Bore x Stroke: | 54 х 54 mm | 87 х 84 mm | 64 х 58 mm | 100 x 82 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 6.2 :1 | 9.0 :1 | NA | 8.3:1 |
| Induction: | 2x Mikuni VM28 SC carburetor | 32mm Mikuni VM32SS carburetor | 4x Mikuni VM 28 SC carburetors | Single 40mm Keihin VE-type carburetor |
| Ignition: | CDI | Magneto, CB/coil | Battery & coil | Digital CDI |
| Starting: | Kick | Kick | Electric & kick | Electric |
| Max Power: | 35.5 hp / 26.1 kW @ 8500 rpm　 | 32 hp / 23.5 kW @ 6500 rpm | 70 hp / 52.1 kW @ 9000 rpm | 45 hp / 33.5 kW @ 6000 rpm |
| Max Torque: | 30.2 Nm / 3.1 kgf-m@ 8000 rpm | 4.0 kgf-m / 39.2 Nm @ 5500 rpm | 5.9 kgf-m / 42.6 lb-ft @ 7500 rpm | 53 Nm / 5.7 kgf-m @ 5000 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain, 96 Link | Chain |
| Front Suspension: | Telescopic forks | Leading axle coil spring fork | Telescopic forks | 41mm leading-axle fork |
| Rear Suspension: | Monocross | Swing arm adjustable preload | Swing arm dual shocks | Pro-Link, |
| Front Brakes: | Single 267mm disc | Single 160mm drum | 2x disc | Single 256mm disc 2 piston caliper |
| Rear Brakes: | Drum | Single 150mm drum | Drum | Single 220mm disc 1 piston caliper |
| Front Tyre: | 3.00-18 | 3.00-21 | 3.25-19 | 90/90–21 |
| Rear Tyre: | 3.50-18 | 4.00-18 | 4.00-18 | 120/90–17 |
| Dry Weight: | 139 kg / 306.4 lbs | 140 kg / 308.6 lbs | 230 kg / 507 lbs | 163 kg / 359.3 lbs |
| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 8.8 Litres / 2.3 US gal | 17.7 Litres / 4.6 US gal | 16 Litres / 4.2 US gal |