22 June. Monday 2026
YZ450FX - 2025 Specifications and Reviews
The 2025 Yamaha YZ450FX is a competition-focused enduro bike engineered for serious off-road riders seeking reliability and performance. Its potent 450cc liquid-cooled single-cylinder four-stroke engine delivers responsive power across varied terrain, while the proven five-speed transmission and durable chassis provide the control needed for technical riding. Best known for balancing aggressive trail capability with user-friendly ergonomics, the YZ450FX excels in enduro racing and demanding off-road adventures.
2025
General information | |
| Color Options | Team Yamaha Blue |
| Price | US$ 10199. MSRP depends on country, taxes, accessories, etc. |
| Category | Enduro / offroad |
| Model | Yamaha YZ450FX |
| | |
Engine and Transmission Specifications | |
| Starting | Electric |
| Clutch | Wet multi-disc |
| Final Drive | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling System | Liquid |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection. Mikuni® 44mm |
| Valves Per Cylinder | 4 |
| Bore x Stroke | 97.0 x 60.9 mm (3.8 x 2.4 inches) |
| Compression Ratio | 13.0:1 |
| Engine Details | Titanium valves |
| Capacity | 450.0 ccm (27.46 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 7.95 litres (2.10 US gallons) |
| Wheelbase | 1471 mm (57.9 inches) |
| Ground Clearance | 330 mm (13.0 inches) |
| Overall Width | 826 mm (32.5 inches) |
| Overall Length | 2169 mm (85.4 inches) |
| Overall Height | 1265 mm (49.8 inches) |
| Seat Height | 955 mm (37.6 inches) If adjustable, lowest setting. |
| Wet Weight | 113.9 kg (251.0 pounds) |
YZ450FX dimensions and frame | |
| Wheels | Dunlop Geomax MX33 tyres |
| Rear Brakes | Single disc. Hydraulic |
| Brake Disc Diameter | 240 mm (9.4 inches) |
| Front Brakes | Single disc. Hydraulic |
| Rear Tyre | 120/90-18 |
| Front Tyre | 80/100-21 |
| Rear Wheel Travel | 305 mm (12.0 inches) |
| Rear Suspension | KYB® single shock; full adjustable |
| Front Wheel Travel | 300 mm (11.8 inches) |
| Front Suspension | KYB® spring-type fork with speed sensitive damping; fully adjustable |
| Trail | 122 mm (4.8 inches) |
| Frame | Aluminum Bilateral Beam |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 Yamaha YZ450FX discussion group or the general Yamaha discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Comments | Traction control. Ride modes. Yamaha Power Tuner App. |
| Warranty | 30 Day Limited Factory Warranty |
| Electrical | Lithium ion battery |
| Rake (fork angle) | 27.0° |
| Driveline | O-ring chain |
| Lubrication system | Wet sump |
| Engine type | Single cylinder, four-stroke |
| Model year | 2025 |
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