Yamaha XJ 600N (1998-00) vs Yamaha WR 250Z (1998)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | XJ 600N | WR 250Z |
| Years: | 1998-00 | 1998 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder | Two stroke, single cylinder |
| Capacity: | 599 cc / 36.5 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 58.5 x 55.7 mm | 68 x 68.8 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 10:1 | 10.9:1 |
| Lubrication: | Wet sump | Premix |
| Induction: | 4x 28mm Mikuni BDS28 downdraft carburettors | Mikuni VM38SS carburetor |
| Ignition: | Transistor | CDI |
| Starting: | Electric | Kick |
| Max Power: | 61 hp / 45 kW @ 8.500 rpm | 49.8 hp / 37.2 kW @ 8250 rpm |
| Max Torque: | 33.9 lb-ft / 4.7 kgf-m @ 7000 rpm | 4.69 kgf-m / 44.5 Nm @ 7500 rpm |
| Clutch: | Wet multiple plate type | Multi-plate wet clutch |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Frame: | Double cradle | CrMo steel |
| Front Suspension: | 38mm Telescopic forks, no adjustment | 43mm inverted fork |
| Front Wheel Travel: | 140 mm / 5.5 in | 300 mm / 11.8 in |
| Rear Suspension: | Monocross monoshock adjustable for preload | Monocross, swinging arm |
| Rear Wheel Travel: | 110 mm / 4.3 in | 315 mm / 12.4 in |
| Front Brakes: | 2x 298mm discs 2 piston calipers | Single 204mm disc |
| Rear Brakes: | Single 245mm disc 2 piston caliper | Single 189mm disc |
| Front Tyre: | 110/80H17 | 80/100-21 |
| Rear Tyre: | 130/70H18 | 110/100-18 |
| Wheelbase: | 1445 mm / 56.8 in | 1480 mm / 58.2 in |
| Seat Height: | 770 mm / 30.3 in | 978 mm / 38.5 in |
| Ground Clearance: | 150 mm / 5.9 in | 398 mm / 15.6 in |
| Dry Weight: | 193 kg / 425 lbs | 103 kg / 227 lbs |
| Fuel Capacity: | 17 Litres / 4.4 US gal | 13 Litres / 3.4 US gal |