Yamaha XJ 900F (1985-89) vs Yamaha WR 250Z (1996) vs Yamaha XVS 250 Drag star (2000-01) vs Yamaha V-Max (1984-87)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
Remove bike |
Remove bike |
| Make: | Yamaha | Yamaha | Yamaha | Yamaha |
| Model: | XJ 900F | WR 250Z | XVS 250 Drag star | V-Max |
| Years: | 1985-89 | 1996 | 2000-01 | 1984-87 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder. | Two stroke, single cylinder | Four stroke, V-twin cylinder, SOHC, 2 valves per cylinder. | Four stroke, V-four, DOHC, 4 valve per cylinder. |
| Capacity: | 891 cc / 54.3 cu-in | 249 cc / 15.2 cu-in | 249 cc / 15.2 cu-in | 1198 cc / 73.1 cu-in |
| Bore x Stroke: | 68.5 x 60.5 mm | 68 x 68.8 mm | 49 x 66 mm | 76 х 66 mm |
| Cooling System: | Air cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 9.6:1 | 10.9:1 | 10:1 | 10.5:1 |
| Induction: | 4x Mikuni BS36 | Mikuni VM38SS carburetor | Carburetor | 4x 35mm Mikuni BDS35 carburetor |
| Ignition: | CDI | CDI | Digital CDI | CDI |
| Starting: | Electric | Kick | Electric | Electric |
| Max Power: | 98 hp / 72 kW @ 9000 rpm | 49.8 hp / 37.2 kW @ 8250 rpm | 21 hp / 15.4 kW @ 8000 rpm | 145 hp / 108 kW @ 9000 rpm |
| Max Torque: | 81 Nm / @ 7000 rpm | 4.69 kgf-m / 44.5 Nm @ 7500 rpm | 20 Nm / 15.3 lb-ft @ 6000 rpm | 12.4 kgf-m / 89.6 lb-ft @ 7500 rpm |
| Clutch: | Wet, 6 springs | Multi-plate wet clutch | Wet, multiple discs, cable operated | Wet, multi disc |
| Transmission: | 5 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Chain | Shaft |
| Front Suspension: | 37mm Telescopic fork | 43mm inverted fork | Cartridge telescopic forks | 40mm Kayaba forks, Air pressure |
| Rear Suspension: | Twin shock, Swingarm | Monocross, swinging arm | Dual shock, Swingarm | Dual Kayaba shocks, adjustable for preload damping. |
| Front Brakes: | 2x 267mm discs | Single 204mm disc | Single 282mm disc | 2x 298mm discs 2 piston calipers |
| Rear Brakes: | Single 267mm disc, | Single 189mm disc | 130mm Drum | Single 282mm disc 2 piston caliper |
| Front Tyre: | 100/90-18 | 80/100-21 | 80/100-18 | 110/90-18 |
| Rear Tyre: | 120/90-18 | 110/100-18 | 130/90-15 | 150/90-15 |
| Wheelbase: | 1480 mm / 58.2 in | 1480 mm / 58.2 in | 1530 mm / 58.9 in | 1590 mm / 65.6 in |
| Seat Height: | 780mm / 30.7 in | 978 mm / 38.5 in | 670 mm / 26.4 in | 765 mm / 30.1 in |
| Ground clearance: | 145mm / 5.7 in | 398 mm / 15.6 in | 150 mm / 5.9 in | 145 mm / 5.7 in |
| Fuel Capacity: | 22 Litres / 5.8 US gal | 13 Litres / 3.4 US gal | 11 Litres / 2.9 US gal | 15 Litres / 3.9 US gal |