- YZ450F™-Based GNCC®/Hare Scrambles Focused Racer
The YZ450FX™ is developed from Yamaha’s flagship motocross model—the YZ450F—with many added features and unique settings that make the YZ450FX the ultimate GNCC®/Woods racer. - Yamaha Power Tuner App
Yamaha’s exclusive Power Tuner app puts the flexibility and precision tunability of the GYTR® Power Tuner into your smartphone. Make fueling and ignition timing changes instantly and upload them to the bike for the ultimate in track-side tuning. - Adjustable Engine Mapping
A handlebar-mounted map switch allows the rider to quickly select between preloaded engine maps—loaded and configured in the Power Tuner app—to account for changing track and weather conditions. - Electric Starter System
Utilizing a compact starter motor and ultra-lightweight lithium battery, the YZ450FX maintains the convenience of push-button starting, for effortless restarts under pressure, and relaxed riding when the clock isn’t ticking. - Potent Fuel-Injected Engine
A high-compression cylinder head, forged piston, aggressive cam profiles, cylinder geometry and much more work together to give riders the ideal power spread in challenging GNCC® racing conditions. - Class-Leading Suspension
Yamaha uses KYB® spring-type forks on all of our YZ® models, with industry leading function and easy set-up at the track—these forks are ready for the top step of the podium straight out of the box.
| ENGINE |
| Type Liquid-cooled, DOHC, 4-stroke, 4-valves, rearward slanting single cylinder |
| Displacement 449cc |
| Bore x stroke 97.0 mm x 60.8 mm |
| Compression ratio 12.8 : 1 |
| Maximum horse power – |
| Maximum torque – |
| Starting system type Electric |
| Lubrication system Wet sump |
| Clutch type Dual side grinded clutch plate |
| Fuel system Fuel Injection |
| Ignition system TCI |
| Transmission system Constant mesh, 5-speed |
| Final transmission system Chain |
| CHASSIS |
| Frame Bilateral beam frame |
| Front suspension Upside-down telescopic fork |
| Front wheel travel 310 mm |
| Rear suspension Swingarm, (link suspension) |
| Rear wheel travel 317 mm |
| Caster angle 27⁰ 15′ |
| Trail 121 mm |
| Front brake Hydraulic single disc, Ø 270 mm |
| Rear brake Hydraulic single disc, Ø 245 mm |
| Front tyre 80/100-21 51M |
| Rear tyre 110/90-19 62M |
| DIMENSIONS |
| Overall length 2,185 mm |
| Overall width 825 mm |
| Overall height 1,285 mm |
| Seat height 965 mm |
| Wheelbase 1,485 mm |
| Min. ground clearance |
| 335 mm |
| Wet weight (including full oil and fuel tank) |
| 112 kg |
| Fuel tank capacity |
| 6.2 L |
| Oil capacity |
| 0.95 L |
| ADDITIONAL FEATURES |
| Power Tuner App |
| It enables the rider to modify fuel and iginition settings for optimized performance using a smartphone. The app communicates wirelessly with the CCU unit. |
