2008 Yamaha YZ450F
| TECHNICAL SPECIFICATION |
2008 YZ450F |
| ENGINE |
|
| Type |
Liquid-cooled, 4-stroke, DOHC, 5 titanium valves, |
| |
Forward-inclined single cylinder |
| Displacement |
449 cc |
| Bore and stroke |
95.0 x 63.4 mm |
| Compression ratio |
12.3 : 1 |
| Max. power |
NA |
| Max. torque |
NA |
| Lubrication |
Dry sump |
| Carburettor |
Keihin FCR-MX39/1 |
| Clutch type |
Wet, multiple-disc |
| Ignition |
CDI |
| Starter system |
Kick |
| Transmission |
Constant mesh, 5-speed |
| Final transmission |
Chain |
| Primary reduction ratio |
61/23 (2.652) |
| Secundary reduction ratio |
49/13 (3.769) |
| Gear ratio: |
|
| Gear ratio 1 |
27/14 (1.929) |
| Gear ratio 2 |
23/15 (1.533) |
| Gear ratio 3 |
23/18 (1.278) |
| Gear ratio 4 |
24/22 (1.091) |
| Gear ratio 5 |
20/21 (0.952) |
| Gear ratio 6 |
- |
| CHASSIS |
|
| Frame |
Semi-double cradle |
| Front suspension |
Telescopic forks |
| Front wheel travel |
300 mm |
| Rear suspension |
Swingarm (link suspension) |
| Rear wheel travel |
313 mm |
| Caster angle |
26.7° |
| Trail |
113.8 mm |
| Front brake |
Single disc, Ø 250 mm |
| Rear brake |
Single disc, Ø 245 mm |
| Front tyre |
80/100-21 51M |
| Rear tyre |
110/90-19 62M |
| DIMENSIONS |
|
| Overall length |
2,195 mm |
| Overall width |
825 mm |
| Overall height |
1,306 mm |
| Seat height |
1,001 mm |
| Wheelbase |
1,495 mm |
| Min. ground clearance |
375 mm |
| Dry weight |
99.5 kg |
| Fuel tank capacity |
7 litres |
| Oil tank capacity |
1.2 litre |
| Specification are subject to change without notice, in accordance with national regulation and legislations |
|
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