| 2013 YAMAHA YZ450F SPECIFICATIONS |
|---|
| Dimension & Weight | |
|---|---|
| Overall length | 2,195mm/86.4in |
| Overall width | 825mm/32.5in |
| Overall height | 1,312mm/51.6in |
| Seat height | 999mm/39.4in |
| Wheelbase | 1,492mm/58.7in |
| Minimum ground clearance | 383mm/15.2in |
| Wet(with oil and a full fuel tank) | 111kg/245lbs |
| Engine Performance | |
|---|---|
| Engine type | Liquid cooled 4-stroke,DOHC,4-valve |
| Cylinder arrangement | Single cylinder |
| Displacement | 449.7cm3 |
| Bore & stroke | 97.0 X 60.8mm/3.8in×2.4in |
| Compression ratio | 12.5 : 1 |
| Starting system type | Kick |
| Lubrication system | Force-feed lubrication,dry sump |
| Engine oil capacity | 1.2L/0.3usgal |
| Fuel | |
|---|---|
| Fuel tank capacity | 6.2L/1.6usgal |
| Carburetor Type/Fuel supply | Fuel injection |
| Electrical | |
|---|---|
| Ignition system type | TCI(Transistor controlled ignition) |
| Spark plug model | CR8E |
| Transmission | |
|---|---|
| Final drive | Chain |
| Primary reduction ratio | 2.652(61/23) |
| Secondary reduction ratio | 3.692(48/13) |
| Clutch type | Wet,multiple-disc |
| Gear ratio | |
|---|---|
| Transmission type | Constant mesh 5-speed |
| Shift type | Return |
| Gear ratio-1st gear | 1.929(27/14) |
| Gear ratio-2nd gear | 1.533(23/15) |
| Gear ratio-3rd gear | 1.278(23/18) |
| Gear ratio-4th gear | 1.091(24/22) |
| Gear ratio-5th gear | 0.952(20/21) |
| Chassis | |
|---|---|
| Frame type | Semi double cradle |
| Caster angle | 26°50′ |
| Trail | 118mm/4.6in |
| Tire size(Front) | 80/100-21 51M(Tube type) |
| Tire size(Rear) | 120/80-19 63M(Tube type) |
| Brake | |
|---|---|
| Brake type(Front) | Hydraulic disc brake |
| Brake type(Rear) | Hydraulic disc brake |
| Diameter of brake disk (Front) | 250mm/9.8in |
| Diameter of brake disk (Rear) | 245mm/9.6in |
| Inside diameter of drum / Effective radius of disc(Front) | 224mm/8.8in |
| Inside diameter of drum / Effective radius of disc(Rear) | 219mm/8.6in |
| Suspension | |
|---|---|
| Suspension type(Front) | Telescopic |
| Suspension type(Rear) | Swingarm(Link suspension) |
| Shock absorber | |
|---|---|
| Shock absorber assembly type(Front) | Coil spring/oil damper |
| Shock absorber assembly type(Rear) | Coil spring/gas-oil damper |
| Wheel travel(Front) | 310mm/12.2in |
| Wheel travel(Rear) | 315mm/12.4in |
| Inner tube diameter of front fork | 48mm/1.9in |
Sumber : www.dirtrider.com
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