Yamaha WR 450F (2009-10) vs Yamaha XJ6 Diversion (2009-10) vs Yamaha XT 660X (2009)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Yamaha |
| Model: | WR 450F | XJ6 Diversion | XT 660X |
| Years: | 2009-10 | 2009-10 | 2009 |
| Engine: | Four stroke, single cylinder, DOHC, 5 titanium valve per cylinder. | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 449 cc / 27.4 in | 600 cc / 36.6 cu-in | 659 cc/ 40.2 cu-in |
| Bore x Stroke: | 95 x 63.4 mm | 65.5 x 44.5 mm | 100 x 84 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.5:1 | 12.2:1 | 10: 1 |
| Induction: | 39mm Keihin FCR flat-slide throttle position sensor | Group injection type fuel injection | Fuel injection, 44 mm throttle body |
| Ignition: | Digital CDI | TCI | TCI |
| Starting: | Electric / Kick-starter | Electric | Electric |
| Max Power: | 58 hp / 42.3 kW @ 9000 rpm | 78 hp / 57 kW @ 10000 rpm | 33.8 kW / 48 hp @ 6000 rpm |
| Max Torque: | 49 Nm / 33.1 lb-ft @ 7000 rpm | 59.7 Nm / 6.1 kgf-m @ 8500 rpm | 58.4 Nm / 5.7 kgf-m @ 5250 rpm |
| Clutch: | Wet, multiple discs, cable operated | Wet Multi-plat disc | Wet, multiple-disc coil spring |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | "O" ring Chain | Chain | Chain |
| Frame: | Steel, Single cradle frame | Aluminium die-cast, diamond shaped | Steel tubular diamond frame with dual tank rails |
| Front Suspension: | 46mm Kayaba inverted telescopic fork, compression and rebound damping adjustable | 43mm Telescopic fork, 130mm wheel travel | 43 mm Telescopic forks, |
| Front Wheel Travel: | 300 mm / 11.8 in | 130 mm / 5.1 in | 225 mm / 8.8 in |
| Rear Suspension: | Fully adjustable Kayaba single shock, 315mm wheel travel, separate speed compression adjustment | Swingarm Link less type Monocross, 130mm wheel travel | Oscillating arm standard Monocross. |
| Rear Wheel Travel: | 318 mm / 12.4 in | 130 mm / 5.1 in | 200 mm / 7.9 in |
| Front Brakes: | Single 250mm disc 4 piston caliper | 2x 298 mm discs | Single 320mm disc 4 piston caliper |
| Rear Brakes: | Single 245mm disc 2-piston caliper | Single 245 mm disc | Single 245mm disc 1 piston caliper |
| Front Tyre: | 80/100-21 | 120/70 ZR17 | 120/700-17 |
| Rear Tyre: | 110/100-18 | 160/60 ZR17 | 160/60-17 |
| Wheelbase: | 1485 mm / 58.5 in | 1440 mm / 56.7 in | 1505 mm / 59.3 in |
| Ground Clearance: | 365 mm / 14.3 in | 140 mm / 5.5 in | 210 mm / 8.3 in |
| Seat Height: | 998 mm / 39.3 in | 785 mm / 30.9 in | 875mm / 34.4 in |
| Wet Weight: | 122 kg / 268 lbs | 211 kg / 465 lbs | 186 kg / 410.1 lbs |
| Fuel Capacity: | 8 Liters / 2.1 US gal | 17.3 Litres / 4.5 US gal | 15 Litres / 3.9 gal |