Kawasaki KX 500 (1999-01) vs Yamaha WR 250Z (1995)
Comparison technical specifications
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| Make: | Kawasaki | Yamaha |
| Model: | KX 500 | WR 250Z |
| Years: | 1999-01 | 1995 |
| Engine: | Two stroke, single cylinder, read valve | Two stroke, single cylinder |
| Capacity: | 499 cc / 30.5 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 86 x 86mm | 68 x 68.8 mm |
| Compression Ratio: | 8.4:1 | 10.9:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Lubrication: | Premix | Premix |
| Induction: | KeihinPWK39 carburetor | Mikuni VM38SS carburetor |
| Ignition: | Electronic CDI | CDI |
| Starting: | Kick | Kick |
| Max Power: | 66 hp / 49.2 kW @ 7000 rpm | 49.8 hp / 37.2 kW @ 8250 rpm |
| Max Torque: | 65,7 Nm 48.4 lb-ft / @ 6000 rpm | 4.69 kgf-m / 44.5 Nm @ 7500 rpm |
| Clutch: | Wet, multi-plate, cable operated | Multi-plate wet clutch |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Frame: | High-tensile steel semidouble cradle with aluminum bolt-on. | CrMo steel |
| Front Suspension: | 41mm upside-down cartridge fork with 20-way compression and 20-way rebound damping | 43mm inverted fork |
| Front Wheel Travel: | 310 mm / 12.2 in | 300 mm / 11.8 in |
| Rear Suspension: | Bottom-Link UN'1-TKAK with adjustable preload and 20-way compression and 20-way rebound damping | Monocross, swinging arm |
| Rear Wheel Travel: | 330 mm / 13.0 in | 315 mm / 12.4 in |
| Front Brakes: | Single 220mm disc | Single 204mm disc |
| Rear Brakes: | Single 190mm disc | Single 189mm disc |
| Front Tyre: | 80/100-21 51M | 80/100-21 |
| Rear Tyre: | 120/90-18 64M | 110/100-18 |
| Wheelbase: | 1514 mm / 59.6 in | 1480 mm / 58.2 in |
| Seat Height: | 950 mm / 37.4 in | 978 mm / 38.5 in |
| Ground Clearance: | 325 mm / 12.8 in | 398 mm / 15.6 in |
| Dry Weight: | 100 kg / 220.5 lbs | 103 kg / 227 lbs |
| Fuel Capacity: | 9.8 Litres / 2.6 US gal | 13 Litres / 3.4 US gal |